https://wiki.freecad.org/index.php?title=FEM_EquationFlow&feed=atom&action=history
FEM EquationFlow - Revision history
2024-03-28T17:55:38Z
Revision history for this page on the wiki
MediaWiki 1.40.1
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1329123&oldid=prev
NewJoker at 13:30, 22 November 2023
2023-11-22T13:30:44Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:30, 22 November 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><!--T:20--></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>* Except for calculations in 2D, for all above <del style="font-weight: bold; text-decoration: none;">constraints</del> it is important that they act on a face or body. <del style="font-weight: bold; text-decoration: none;">Constraints</del> for 3D set to lines or vertices are not recognized by the Elmer solver.</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>* Except for calculations in 2D, for all above <ins style="font-weight: bold; text-decoration: none;">boundary conditions</ins> it is important that they act on a face or body. <ins style="font-weight: bold; text-decoration: none;">Boundary conditions</ins> for 3D set to lines or vertices are not recognized by the Elmer solver.</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>* Since [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|Pressure load]] can only be set to faces, pressure loads cannot be used for calculations in 2D.</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>* Since [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|Pressure load]] can only be set to faces, pressure loads cannot be used for calculations in 2D.</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>* If there is no [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|Pressure load]] set, [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|Initial pressure condition]] will only be taken into account if {{PropertyData|Gradp Discretization}} is set to ''true''.</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>* If there is no [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|Pressure load]] set, [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|Initial pressure condition]] will only be taken into account if {{PropertyData|Gradp Discretization}} is set to ''true''.</div></td>
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NewJoker
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1329122&oldid=prev
NewJoker at 13:30, 22 November 2023
2023-11-22T13:30:15Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:30, 22 November 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>* {{PropertyData|Flow Model}}: The flow model that should be used. The default ''Full'' includes convection and time derivative terms in the model. ''No convection'' switches off the convection terms and the ''Stokes'' model switches off the convection terms and the (explicit) time derivative terms.</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>* {{PropertyData|Flow Model}}: The flow model that should be used. The default ''Full'' includes convection and time derivative terms in the model. ''No convection'' switches off the convection terms and the ''Stokes'' model switches off the convection terms and the (explicit) time derivative terms.</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>* {{PropertyData|Gradp Discretization}}: If set to ''true'' pressure [https://en.wikipedia.org/wiki/Dirichlet_boundary_condition Dirichlet boundary conditions] can be used. Also the mass flux is available as a natural boundary condition.</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>* {{PropertyData|Gradp Discretization}}: If set to ''true'' pressure [https://en.wikipedia.org/wiki/Dirichlet_boundary_condition Dirichlet boundary conditions] can be used. Also the mass flux is available as a natural boundary condition.</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>* {{PropertyData|Variable}}: Optional only for calculations in 2D: You can change the default of ''3'' to ''2''.</br>'''Note''': In this case none of the flow velocity <del style="font-weight: bold; text-decoration: none;">constraints</del> can have a specified z-component.</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>* {{PropertyData|Variable}}: Optional only for calculations in 2D: You can change the default of ''3'' to ''2''.</br>'''Note''': In this case none of the flow velocity <ins style="font-weight: bold; text-decoration: none;">boundary conditions</ins> can have a specified z-component.</div></td>
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NewJoker
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1322714&oldid=prev
NewJoker at 00:14, 14 November 2023
2023-11-14T00:14:03Z
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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><!--T:23--></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 results are the velocity in <math>\rm m/s</math> and the pressure in <math>\rm Pa</math>. If there is no [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|<del style="font-weight: bold; text-decoration: none;">Constraint initial</del> pressure]] and [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<del style="font-weight: bold; text-decoration: none;">Constraint</del> <del style="font-weight: bold; text-decoration: none;">pressure</del>]]<del style="font-weight: bold; text-decoration: none;"> constraint</del> given, the resulting pressure will be relative not absolute. Since<del style="font-weight: bold; text-decoration: none;"> a</del> pressure must act on a face, absolute pressure results cannot be obtained in 2D simulations.</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 results are the velocity in <math>\rm m/s</math> and the pressure in <math>\rm Pa</math>. If there is no [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|<ins style="font-weight: bold; text-decoration: none;">Initial</ins> pressure<ins style="font-weight: bold; text-decoration: none;"> condition</ins>]] and [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<ins style="font-weight: bold; text-decoration: none;">Pressure</ins> <ins style="font-weight: bold; text-decoration: none;">load</ins>]] given, the resulting pressure will be relative not absolute. Since pressure must act on a face, absolute pressure results cannot be obtained in 2D simulations.</div></td>
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NewJoker
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1322713&oldid=prev
NewJoker at 00:13, 14 November 2023
2023-11-14T00:13:29Z
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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><!--T:20--></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>* Except for calculations in 2D, for all above constraints it is important that they act on a face or body. Constraints for 3D set to lines or vertices are not recognized by the Elmer solver.</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>* Except for calculations in 2D, for all above constraints it is important that they act on a face or body. Constraints for 3D set to lines or vertices are not recognized by the Elmer solver.</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>* Since [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<del style="font-weight: bold; text-decoration: none;">Constraint</del> <del style="font-weight: bold; text-decoration: none;">pressure</del>]] can only be set to faces, pressure <del style="font-weight: bold; text-decoration: none;">constraints</del> cannot be used for calculations in 2D.</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>* Since [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<ins style="font-weight: bold; text-decoration: none;">Pressure</ins> <ins style="font-weight: bold; text-decoration: none;">load</ins>]] can only be set to faces, pressure <ins style="font-weight: bold; text-decoration: none;">loads</ins> cannot be used for calculations in 2D.</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>* If there is no [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<del style="font-weight: bold; text-decoration: none;">Constraint</del> <del style="font-weight: bold; text-decoration: none;">pressure</del>]] set, [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|<del style="font-weight: bold; text-decoration: none;">Constraint initial</del> pressure]] will only be taken into account if {{PropertyData|Gradp Discretization}} is set to ''true''.</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>* If there is no [[Image:FEM_ConstraintPressure.svg|24px]] [[FEM_ConstraintPressure|<ins style="font-weight: bold; text-decoration: none;">Pressure</ins> <ins style="font-weight: bold; text-decoration: none;">load</ins>]] set, [[Image:FEM_ConstraintInitialPressure.svg|24px]] [[FEM_ConstraintInitialPressure|<ins style="font-weight: bold; text-decoration: none;">Initial</ins> pressure<ins style="font-weight: bold; text-decoration: none;"> condition</ins>]] will only be taken into account if {{PropertyData|Gradp Discretization}} is set to ''true''.</div></td>
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NewJoker
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1322712&oldid=prev
NewJoker at 00:12, 14 November 2023
2023-11-14T00:12:40Z
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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>==<del style="font-weight: bold; text-decoration: none;">Constraint</del> Information== <!--T:16--></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>==<ins style="font-weight: bold; text-decoration: none;">Analysis Feature</ins> Information== <!--T:16--></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><!--T:17--></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><!--T:17--></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 <del style="font-weight: bold; text-decoration: none;">electrostatic</del> equation takes the following <del style="font-weight: bold; text-decoration: none;">constraints</del> into account if they are set:</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 <ins style="font-weight: bold; text-decoration: none;">flow</ins> equation takes the following <ins style="font-weight: bold; text-decoration: none;">analysis features</ins> into account if they are set:</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><!--T:18--></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>* [[Image:FEM_ConstraintFlowVelocity.svg|32px]] [[FEM_ConstraintFlowVelocity|<del style="font-weight: bold; text-decoration: none;">Constraint flow</del> velocity]]</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>* [[Image:FEM_ConstraintFlowVelocity.svg|32px]] [[FEM_ConstraintFlowVelocity|<ins style="font-weight: bold; text-decoration: none;">Flow</ins> velocity<ins style="font-weight: bold; text-decoration: none;"> boundary condition</ins>]]</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>* [[Image:FEM_ConstraintInitialFlowVelocity.svg|32px]] [[FEM_ConstraintInitialFlowVelocity|<del style="font-weight: bold; text-decoration: none;">Constraint initial</del> flow velocity]]</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>* [[Image:FEM_ConstraintInitialFlowVelocity.svg|32px]] [[FEM_ConstraintInitialFlowVelocity|<ins style="font-weight: bold; text-decoration: none;">Initial</ins> flow velocity<ins style="font-weight: bold; text-decoration: none;"> condition</ins>]]</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>* [[Image:FEM_ConstraintPressure.svg|32px]] [[FEM_ConstraintPressure|<del style="font-weight: bold; text-decoration: none;">Constraint</del> <del style="font-weight: bold; text-decoration: none;">pressure</del>]]</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>* [[Image:FEM_ConstraintPressure.svg|32px]] [[FEM_ConstraintPressure|<ins style="font-weight: bold; text-decoration: none;">Pressure</ins> <ins style="font-weight: bold; text-decoration: none;">load</ins>]]</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>* [[Image:FEM_ConstraintInitialPressure.svg|32px]] [[FEM_ConstraintInitialPressure|<del style="font-weight: bold; text-decoration: none;">Constraint initial</del> pressure]] ({{Version|0.21}})</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>* [[Image:FEM_ConstraintInitialPressure.svg|32px]] [[FEM_ConstraintInitialPressure|<ins style="font-weight: bold; text-decoration: none;">Initial</ins> pressure<ins style="font-weight: bold; text-decoration: none;"> condition</ins>]] ({{Version|0.21}})</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>
<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;"><div>===Notes=== <!--T:19--></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>===Notes=== <!--T:19--></div></td>
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NewJoker
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1257911&oldid=prev
Roy 043 at 20:16, 29 April 2023
2023-04-29T20:16:50Z
<p></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;"><div>* [[Image:FEM_ConstraintInitialFlowVelocity.svg|32px]] [[FEM_ConstraintInitialFlowVelocity|Constraint initial flow velocity]]</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>* [[Image:FEM_ConstraintPressure.svg|32px]] [[FEM_ConstraintPressure|Constraint pressure]]</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>* [[Image:FEM_ConstraintPressure.svg|32px]] [[FEM_ConstraintPressure|Constraint pressure]]</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>* [[Image:FEM_ConstraintInitialPressure.svg|32px]] [[FEM_ConstraintInitialPressure|Constraint initial pressure]] ({{Version|<del style="font-weight: bold; text-decoration: none;">1.</del>0}})</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>* [[Image:FEM_ConstraintInitialPressure.svg|32px]] [[FEM_ConstraintInitialPressure|Constraint initial pressure]] ({{Version|0<ins style="font-weight: bold; text-decoration: none;">.21</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>===Notes=== <!--T:19--></div></td>
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Roy 043
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1244396&oldid=prev
Uwestoehr: correct version
2023-03-23T15:10:20Z
<p>correct version</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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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>|MenuLocation= Solve → Flow equation</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>}}</div></td>
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Uwestoehr
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1239744&oldid=prev
Roy 043: Marked this version for translation
2023-03-17T10:19:41Z
<p>Marked this version for translation</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;">Revision as of 10:19, 17 March 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>* {{PropertyData|Magnetic Induction}}: If set to ''true'' the magnetic induction equation will be solved along with the [https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations Navier-Stokes equations].</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>* {{PropertyData|Magnetic Induction}}: If set to ''true'' the magnetic induction equation will be solved along with the [https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations Navier-Stokes equations].</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>===Notes for Convergence===</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>===Notes for Convergence===<ins style="font-weight: bold; text-decoration: none;"> <!--T:24--></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="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><!--T:25--></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>If the solver results do not converge, you can try these things (in the given order):</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>If the solver results do not converge, you can try these things (in the given order):</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># Reduce the {{PropertyData|Relaxation Factor}}, see the [[FEM_SolverElmer_SolverSettings#Relaxation_Factor|nonlinear system settings]].</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># Reduce the {{PropertyData|Relaxation Factor}}, see the [[FEM_SolverElmer_SolverSettings#Relaxation_Factor|nonlinear system settings]].</div></td>
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Roy 043
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1239743&oldid=prev
Roy 043 at 10:19, 17 March 2023
2023-03-17T10:19:34Z
<p></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;"><div>===Notes for Convergence===</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>If the solver results do not converge, you can try these things (in <del style="font-weight: bold; text-decoration: none;">that</del> order):</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>If the solver results do not converge, you can try these things (in <ins style="font-weight: bold; text-decoration: none;">the given</ins> order):</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># <del style="font-weight: bold; text-decoration: none;">reduce</del> the {{PropertyData|Relaxation Factor}}, see the [[FEM_SolverElmer_SolverSettings#Relaxation_Factor|nonlinear system settings]]</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># <ins style="font-weight: bold; text-decoration: none;">Reduce</ins> the {{PropertyData|Relaxation Factor}}, see the [[FEM_SolverElmer_SolverSettings#Relaxation_Factor|nonlinear system settings]]<ins style="font-weight: bold; text-decoration: none;">.</ins></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># <del style="font-weight: bold; text-decoration: none;">increase</del> the value for {{PropertyData|Nonlinear Newton After Iterations}}, see the [[FEM_SolverElmer_SolverSettings#Nonlinear_System|nonlinear system settings]]</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># <ins style="font-weight: bold; text-decoration: none;">Increase</ins> the value for {{PropertyData|Nonlinear Newton After Iterations}}, see the [[FEM_SolverElmer_SolverSettings#Nonlinear_System|nonlinear system settings]]<ins style="font-weight: bold; text-decoration: none;">.</ins></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># <del style="font-weight: bold; text-decoration: none;">reduce</del> the number of<del style="font-weight: bold; text-decoration: none;"> used</del> CPU cores, see the [[FEM_Preferences#Elmer|FEM preferences]]</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># <ins style="font-weight: bold; text-decoration: none;">Reduce</ins> the number of CPU cores<ins style="font-weight: bold; text-decoration: none;"> used</ins>, see the [[FEM_Preferences#Elmer|FEM preferences]]<ins style="font-weight: bold; text-decoration: none;">.</ins></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># <del style="font-weight: bold; text-decoration: none;">increase</del> the mesh density (make it more fine)</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># <ins style="font-weight: bold; text-decoration: none;">Increase</ins> the mesh density (make it more fine)<ins style="font-weight: bold; text-decoration: none;">.</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>==Constraint Information== <!--T:16--></div></td>
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Roy 043
https://wiki.freecad.org/index.php?title=FEM_EquationFlow&diff=1239610&oldid=prev
Uwestoehr: /* Notes for Convergence */
2023-03-17T01:05:38Z
<p><span dir="auto"><span class="autocomment">Notes for Convergence</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:05, 17 March 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>* {{PropertyData|Magnetic Induction}}: If set to ''true'' the magnetic induction equation will be solved along with the [https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations Navier-Stokes equations].</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>* {{PropertyData|Magnetic Induction}}: If set to ''true'' the magnetic induction equation will be solved along with the [https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations Navier-Stokes equations].</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>==Notes for Convergence==</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><ins style="font-weight: bold; text-decoration: none;">=</ins>==Notes for Convergence<ins style="font-weight: bold; text-decoration: none;">=</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>If the solver results do not converge, you can try these things (in that order):</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>If the solver results do not converge, you can try these things (in that order):</div></td>
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Uwestoehr