https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&feed=atom&action=history
Transient FEM analysis/it - Revision history
2024-03-29T05:33:36Z
Revision history for this page on the wiki
MediaWiki 1.40.1
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=1251798&oldid=prev
FuzzyBot: Updating to match new version of source page
2023-04-14T13:18:00Z
<p>Updating to match new version of source page</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:18, 14 April 2023</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Preparazione ed esecuzione dell'analisi FEM ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Within FreeCAD, we can use [[File:FEM_PostPipelineFromResult.svg|20px]] [[FEM PostPipelineFromResult|pipelines]] to do some post-processing of the results. Alternatively, we can export the results in the VTK format and import them into dedicated post-processors like ParaView. For the export of multiple results (as for this analysis), there is a [[Macro export transient FEM results|macro]] available.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Within FreeCAD, we can use [[File:FEM_PostPipelineFromResult.svg|20px]] [[FEM PostPipelineFromResult|pipelines]] to do some post-processing of the results. Alternatively, we can export the results in the VTK format and import them into dedicated post-processors like ParaView. For the export of multiple results (as for this analysis), there is a [[Macro export transient FEM results|macro]] available.</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=989450&oldid=prev
FuzzyBot: Updating to match new version of source page
2021-08-25T13:28:33Z
<p>Updating to match new version of source page</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:28, 25 August 2021</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Starting with a blank FreeCAD project, we build our bimetal strip in the [[Image:Workbench_Part.svg|24px]] [[<del style="font-weight: bold; text-decoration: none;">Part Module</del>|Part <del style="font-weight: bold; text-decoration: none;">workbench</del>]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Starting with a blank FreeCAD project, we build our bimetal strip in the [[Image:Workbench_Part.svg|24px]] [[<ins style="font-weight: bold; text-decoration: none;">Part_Workbench</ins>|Part <ins style="font-weight: bold; text-decoration: none;">Workbench</ins>]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Draw a [[File:Part_Box.svg|24px]] [[Part Box|Cube]] Solid and rename it to {{incode|aluminium}}. </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Draw a [[File:Part_Box.svg|24px]] [[Part Box|Cube]] Solid and rename it to {{incode|aluminium}}. </div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Give it the dimensions 100 x 10 x 2 mm (length x width x height). </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Give it the dimensions 100 x 10 x 2 mm (length x width x height). </div></td>
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</table>
FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=804790&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-12-02T14:43:30Z
<p>Updating to match new version of source page</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:43, 2 December 2020</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Assegnazione dei materiali ===</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Assegnazione dei materiali ===</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the FEM workbench we create a new [[File:<del style="font-weight: bold; text-decoration: none;">Fem-analysis</del>.svg|20px]] analysis and add a new [[File:<del style="font-weight: bold; text-decoration: none;">Fem-material</del>.svg|20px]] material to the analysis. In the upcoming task window, we select one of the predefined aluminium alloys. Under 'geometry reference selector', we assign the material to the lower strip of our model by setting the selection mode to 'solid', clicking 'add' and selecting a face or an edge of the lower strip. In the list view, 'BooleanFragments:Solid1' should show up.</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the FEM workbench we create a new [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_Analysis</ins>.svg|20px]] analysis and add a new [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_MaterialSolid</ins>.svg|20px]] material to the analysis. In the upcoming task window, we select one of the predefined aluminium alloys. Under 'geometry reference selector', we assign the material to the lower strip of our model by setting the selection mode to 'solid', clicking 'add' and selecting a face or an edge of the lower strip. In the list view, 'BooleanFragments:Solid1' should show up.</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (2).JPG|700px]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (2).JPG|700px]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Creating the mesh ===</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Creating the mesh ===</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Since a Finite Element Analysis obviously needs elements to work with, we have to dissect our model into a so-called mesh. The FEM workbench offers two meshing tools: Netgen and GMSH. We will go with Netgen here: With the Boolean Fragments objects 'bimetal strip' selected, we click on the [[File:<del style="font-weight: bold; text-decoration: none;">Fem-femmesh-netgen-from-shape</del>.svg|20px]] Netgen icon in the FEM workbench. In the upcoming task window, we have to make different selections, starting from the top:</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Since a Finite Element Analysis obviously needs elements to work with, we have to dissect our model into a so-called mesh. The FEM workbench offers two meshing tools: Netgen and GMSH. We will go with Netgen here: With the Boolean Fragments objects 'bimetal strip' selected, we click on the [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_MeshNetgenFromShape</ins>.svg|20px]] Netgen icon in the FEM workbench. In the upcoming task window, we have to make different selections, starting from the top:</div></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Max. size is the maximum size (in millimetres) of an element. The smaller the maximum element size, the more elements we get – usually the result will get more precise, but with a dramatic increase in computing time. We set it to 10.</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Max. size is the maximum size (in millimetres) of an element. The smaller the maximum element size, the more elements we get – usually the result will get more precise, but with a dramatic increase in computing time. We set it to 10.</div></td>
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<td colspan="2" class="diff-lineno">Line 51:</td>
<td colspan="2" class="diff-lineno">Line 51:</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Assigning boundary conditions ===</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Assigning boundary conditions ===</div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>An FEM analysis now would result in nothing, because nothing is happening to our model yet. So let’s add some temperature: Use the [[File:<del style="font-weight: bold; text-decoration: none;">Fem-constraint-InitialTemperature</del>.svg|20px]] initial temperature from the FEM workbench and set the temperature to 300 K. Here, no parts of the model can be selected, since this setting applies to the complete model. </div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>An FEM analysis now would result in nothing, because nothing is happening to our model yet. So let’s add some temperature: Use the [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_ConstraintInitialTemperature</ins>.svg|20px]] initial temperature from the FEM workbench and set the temperature to 300 K. Here, no parts of the model can be selected, since this setting applies to the complete model. </div></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Next, we use [[File:<del style="font-weight: bold; text-decoration: none;">Fem-constraint-temperature</del>.svg|20px]] temperature acting on a face. We select the two faces at one end of the strip (Ctrl + Left mouse key) and click 'add' in the task window. Two faces of the Boolean Fragments object should appear in the list and little temperature icons on the model. We set the temperature to 400 K and close the task window. At the beginning of the analysis, the selected faces will get an instantaneous temperature rise from 300 to 400 K. The heat will be conducted along the metal strips and cause the bending of the strip.</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Next, we use [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_ConstraintTemperature</ins>.svg|20px]] temperature acting on a face. We select the two faces at one end of the strip (Ctrl + Left mouse key) and click 'add' in the task window. Two faces of the Boolean Fragments object should appear in the list and little temperature icons on the model. We set the temperature to 400 K and close the task window. At the beginning of the analysis, the selected faces will get an instantaneous temperature rise from 300 to 400 K. The heat will be conducted along the metal strips and cause the bending of the strip.</div></td>
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<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (4).JPG|700px]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (4).JPG|700px]]</div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Before we can run the analysis, an additional boundary condition has to be set: The analysis can only run, if our model is fixed somewhere in space. With [[File:<del style="font-weight: bold; text-decoration: none;">Fem-constraint-fixed</del>.svg|20px]] we select the same two faces as for the 400 K above, and add them to the list. Red bars will appear on the model, visualising that those faces are fixed in space and not able to move around during the analysis.</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Before we can run the analysis, an additional boundary condition has to be set: The analysis can only run, if our model is fixed somewhere in space. With [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_ConstraintFixed</ins>.svg|20px]] we select the same two faces as for the 400 K above, and add them to the list. Red bars will appear on the model, visualising that those faces are fixed in space and not able to move around during the analysis.</div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (5).JPG|700px]]</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (5).JPG|700px]]</div></td>
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<td colspan="2" class="diff-lineno">Line 63:</td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Eseguire l'analisi ===</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Eseguire l'analisi ===</div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker" data-marker="−"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:<del style="font-weight: bold; text-decoration: none;">Fem_Solver</del>.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_SolverCalculixCxxtools</ins>.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
</tr>
<tr>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Analysis Type: We want to run a thermomechanical analysis. Other options would be only static (no temperature effects), frequency (oscillations), or only to check the model validity.</div></td>
<td class="diff-marker"></td>
<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Analysis Type: We want to run a thermomechanical analysis. Other options would be only static (no temperature effects), frequency (oscillations), or only to check the model validity.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>After double-clicking the solver object, we check that 'thermomechanical' is selected and run 'write .inp file'. This usually takes some seconds (or a lot more for bigger models) and returns a message 'write completed' in the box below. Now we start the calculation with 'run CalculiX'. After some time, the last messages 'CalculiX done without error!' and 'Loading result sets...' should appear. When the timer at the bottom has stopped, we close the task window. (With larger models and/or slower computers, FreeCAD may freeze and we won’t see the timer running. But be patient, in most of the cases, CalculiX is still running in the background and will eventually produce results.)</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>After double-clicking the solver object, we check that 'thermomechanical' is selected and run 'write .inp file'. This usually takes some seconds (or a lot more for bigger models) and returns a message 'write completed' in the box below. Now we start the calculation with 'run CalculiX'. After some time, the last messages 'CalculiX done without error!' and 'Loading result sets...' should appear. When the timer at the bottom has stopped, we close the task window. (With larger models and/or slower computers, FreeCAD may freeze and we won’t see the timer running. But be patient, in most of the cases, CalculiX is still running in the background and will eventually produce results.)</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>We should now have multiple [[File:<del style="font-weight: bold; text-decoration: none;">Fem-result</del>.svg|20px]] FEM result objects listed. By double-clicking, we can open each one of it and visualise the calculated temperatures, displacements, and stresses. We can visualise the bending by selecting 'Show' in the 'Displacement' section. Since the absolute displacements are small, we use the 'Factor' to exaggerate the values.</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>We should now have multiple [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_ResultShow</ins>.svg|20px]] FEM result objects listed. By double-clicking, we can open each one of it and visualise the calculated temperatures, displacements, and stresses. We can visualise the bending by selecting 'Show' in the 'Displacement' section. Since the absolute displacements are small, we use the 'Factor' to exaggerate the values.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (7).JPG|700px]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (7).JPG|700px]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Within FreeCAD, we can use [[File:<del style="font-weight: bold; text-decoration: none;">Fem-data</del>.svg|20px]] [[FEM PostPipelineFromResult|pipelines]] to do some post-processing of the results. Alternatively, we can export the results in the VTK format and import them into dedicated post-processors like ParaView. For the export of multiple results (as for this analysis), there is a [[Macro export transient FEM results|macro]] available.</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Within FreeCAD, we can use [[File:<ins style="font-weight: bold; text-decoration: none;">FEM_PostPipelineFromResult</ins>.svg|20px]] [[FEM PostPipelineFromResult|pipelines]] to do some post-processing of the results. Alternatively, we can export the results in the VTK format and import them into dedicated post-processors like ParaView. For the export of multiple results (as for this analysis), there is a [[Macro export transient FEM results|macro]] available.</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=676478&oldid=prev
Baritone: Created page with "{{TutorialInfo/it |Topic= Transient FEM analysis |Level= |Time= |Author= |FCVersion= |Files= }}"
2020-05-05T12:14:17Z
<p>Created page with "{{TutorialInfo/it |Topic= Transient FEM analysis |Level= |Time= |Author= |FCVersion= |Files= }}"</p>
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Baritone
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=630483&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-02-25T20:50:37Z
<p>Updating to match new version of source page</p>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=626199&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-02-22T20:35:41Z
<p>Updating to match new version of source page</p>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Starting with a blank FreeCAD project, we build our bimetal strip in the [[Image:Workbench_Part.svg|24px]] [[Part Module|Part workbench]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Starting with a blank FreeCAD project, we build our bimetal strip in the [[Image:Workbench_Part.svg|24px]] [[Part Module|Part workbench]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Give it the dimensions 100 x 10 x 2 mm (length x width x height). </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Create a second [[Part Box|Cube]] Solid 'steel' with the same dimensions</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=617390&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-02-17T22:16:20Z
<p>Updating to match new version of source page</p>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=614652&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-02-15T17:55:39Z
<p>Updating to match new version of source page</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:55, 15 February 2020</td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Create a second [[Part Box|Cube]] Solid 'steel' with the same dimensions</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Offset this part by 2 mm along the Z-axis (via {{MenuCommand|Placement → Position → z}}). </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Offset this part by 2 mm along the Z-axis (via {{MenuCommand|Placement → Position → z}}). </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Select both solids (using the {{KEY|Shift}} key + mouse click) and create [[Image:<del style="font-weight: bold; text-decoration: none;">Part BooleanFragments</del>.<del style="font-weight: bold; text-decoration: none;">png</del>|24px]] [[Part BooleanFragments|Boolean Fragments]] from them </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Select both solids (using the {{KEY|Shift}} key + mouse click) and create [[Image:<ins style="font-weight: bold; text-decoration: none;">Part_BooleanFragments</ins>.<ins style="font-weight: bold; text-decoration: none;">svg</ins>|24px]] [[Part BooleanFragments|Boolean Fragments]] from them </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Rename these Boolean Fragments to {{incode|bimetal strip}} </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Rename these Boolean Fragments to {{incode|bimetal strip}} </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># In the [[Property editor]], we change the mode from {{PropertyView|Standard}} to {{PropertyView|CompSolid}}. (It should also work by using the [[Part Compound|Part Compound]] command instead of [[Image:<del style="font-weight: bold; text-decoration: none;">Part BooleanFragments</del>.<del style="font-weight: bold; text-decoration: none;">png</del>|24px]] [[Part BooleanFragments|Boolean Fragments]], however, with more complex intersecting shapes, there might be trouble with the FEM analysis later. So, better get used to using Boolean Fragments in the first place.) The result should look like this:</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># In the [[Property editor]], we change the mode from {{PropertyView|Standard}} to {{PropertyView|CompSolid}}. (It should also work by using the [[Part Compound|Part Compound]] command instead of [[Image:<ins style="font-weight: bold; text-decoration: none;">Part_BooleanFragments</ins>.<ins style="font-weight: bold; text-decoration: none;">svg</ins>|24px]] [[Part BooleanFragments|Boolean Fragments]], however, with more complex intersecting shapes, there might be trouble with the FEM analysis later. So, better get used to using Boolean Fragments in the first place.) The result should look like this:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (1).JPG|700px]]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[File:Transient FEM Bimetal (1).JPG|700px]]</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=606900&oldid=prev
FuzzyBot: Updating to match new version of source page
2020-02-10T23:04:15Z
<p>Updating to match new version of source page</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:04, 10 February 2020</td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>|Level= </div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Starting with a blank FreeCAD project, we build our bimetal strip in the [[Image:Workbench_Part.svg|24px]] [[Part Module|Part workbench]]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Starting with a blank FreeCAD project, we build our bimetal strip in the Part workbench: First, we draw a [[File:Part Box.png|20px]] Cube Solid and rename it to 'aluminium'. We give it the dimensions 100 x 10 x 2 mm (length x width x height). We create a second Cube Solid 'steel' with the same dimensions and offset it 2 mm along the z-axis (via Placement → Position → z). We select both solids (using the Shift key and your mouse) and create [[File:Part BooleanFragments.png|20px]] Boolean Fragments from them, which we rename to 'bimetal strip'. In the data panel, we change the mode from 'Standard' to 'CompSolid'. (It should also work by using the [[File:Part Union.png|20px]] Union command instead of Boolean Fragments, however, with more complex intersecting shapes, there might be trouble with the FEM analysis later. So, better get used to using Boolean Fragments in the first place.) The result should look like this:</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Draw a [[File:Part Box.png|24px]] [[Part Box|Cube]] Solid and rename it to {{incode|aluminium}}. </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Create a second [[Part Box|Cube]] Solid 'steel' with the same dimensions</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Offset this part by 2 mm along the Z-axis (via {{MenuCommand|Placement → Position → z}}). </div></td>
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<td class="diff-marker" data-marker="+"></td>
<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Select both solids (using the {{KEY|Shift}} key + mouse click) and create [[Image:Part BooleanFragments.png|24px]] [[Part BooleanFragments|Boolean Fragments]] from them </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Rename these Boolean Fragments to {{incode|bimetal strip}} </div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># In the [[Property editor]], we change the mode from {{PropertyView|Standard}} to {{PropertyView|CompSolid}}. (It should also work by using the [[Part Compound|Part Compound]] command instead of [[Image:Part BooleanFragments.png|24px]] [[Part BooleanFragments|Boolean Fragments]], however, with more complex intersecting shapes, there might be trouble with the FEM analysis later. So, better get used to using Boolean Fragments in the first place.) The result should look like this:</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:<del style="font-weight: bold; text-decoration: none;">Fem-solver</del>.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:<ins style="font-weight: bold; text-decoration: none;">Fem_Solver</ins>.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Analysis Type: We want to run a thermomechanical analysis. Other options would be only static (no temperature effects), frequency (oscillations), or only to check the model validity.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Analysis Type: We want to run a thermomechanical analysis. Other options would be only static (no temperature effects), frequency (oscillations), or only to check the model validity.</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://drive.google.com/file/d/157aIdVpIyfpVW9WxL-ReGz0FIsQebH_q/view?usp=sharing File di esempio con i risultati (10 MB)]</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://drive.google.com/file/d/157aIdVpIyfpVW9WxL-ReGz0FIsQebH_q/view?usp=sharing File di esempio con i risultati (10 MB)]</div></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://forum.freecadweb.org/viewtopic.php?f=18&t=43040&start=10#p366664 Analytical bimetall example]. The analytical example presented in the forum is included in FreeCAD FEM examples. It can be started by Python with</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Transient_FEM_analysis/it&diff=520349&oldid=prev
Renatorivo: Created page with "=== Eseguire l'analisi ==="
2019-10-12T20:57:56Z
<p>Created page with "=== Eseguire l'analisi ==="</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:57, 12 October 2019</td>
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<td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>=== <ins style="font-weight: bold; text-decoration: none;">Eseguire</ins> <ins style="font-weight: bold; text-decoration: none;">l'analisi</ins> ===</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:Fem-solver.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The analysis should already contain a solver object '[[FEM SolverCalculixCxxtools|CalculiXccx Tools]]'. If not, we add one by using the [[File:Fem-solver.svg|20px]] solver icon from the toolbar. (There are two identical icons, the experimental solver should also work.) The solver object has a list of properties below in the left section of the window. Here we select the following options (leave the ones unmentioned unchanged):</div></td>
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