PartDesign WizardShaft/fr: Difference between revisions
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=PartDesign_WizardShaft/fr= |
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==Introduction== |
==Introduction== |
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This tool allows you to create a shaft from a table of values, and to analyse forces and moments. You can start the wizard from the Part Design menu or by typing |
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<syntaxhighlight> |
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Cet outil vous permet de créer une arborescence à partir d'un tableau de valeurs, et, d'analyser les '''forces''', et, les '''moments'''. |
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Vous pouvez démarrer l'assistant à partir du menu PartDesign, ou en tapant la commande : |
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Gui.runCommand('PartDesign_WizardShaft') |
Gui.runCommand('PartDesign_WizardShaft') |
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</syntaxhighlight> |
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dans la console '''Python de FreeCAD'''. L’assistant démarre, et, affiche un tableur, avec le graphique correspondant à l'arbre, '''force/moment'''. |
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<br><br> |
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<br><br> |
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La partie supérieure de la fenêtre est occupée par la table. Elle est organisée en colonnes numérotées, comme un tableur, ces colonnes correspondent aux segments de l'arbre. |
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into the Python console of FreeCAD. The wizard will start and show a default table, the corresponding shaft part and force/moment graphs. |
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Un segment d'arbre, est caractérisé par sa longueur, et, son diamètre. |
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La fenêtre principale, affiche deux onglets : |
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* Le premier, est la partie de l'arbre lui-même (une caractéristique de la révolution), visible dans l'image ci-dessus. |
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* Le second onglet, affiche des graphiques de la forces de cisaillement, et, des moments créés par les charges définies dans la table. |
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<br><br> |
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---- |
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The top of the window is taken up by the table. It is organized into numbered columns which correspond to segments of the shaft. A shaft segment is characterized by having certain length and diameter. The main window shows two tabs. One is the shaft part itself (a revolution feature), shown in the image above. The second tab shows graphs of the shear forces and moments created by the loads defined in the table. |
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==Prérequis== |
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L’assistant de création de l'arbre, dépend de la librairie [http://matplotlib.org/ matplotlib], et, le programme [http://pyxplot.org.uk/ Pyxplot] pour créer, et, afficher les graphiques, de la force de cisaillement, et, du moment de la flexion. Dans les systèmes Debian/Ubuntu-based, il est disponible via le paquet '''python-matplotlib'''. |
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== |
==Prerequisites== |
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The shaft design wizard depends on the [http://matplotlib.org/ matplotlib] library to create and display the graphs of shear force and bending moment. On Debian/Ubuntu-based systems, it is available through the python-matplotlib package. |
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==Parameters== |
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For each shaft segment, the following parameters can be defined |
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* Length of the segment |
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* Diameter of the segment |
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* Load type. Note that you have to click on the desired entry in the menu after scrolling to it, otherwise it will not be selected! |
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** Fixed: The end of the shaft is fixed (e.g. welded to another part). This load type can only be defined for the first or last segment. |
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** Static: There is a static load on this shaft segment |
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* Load on the shaft segment |
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* Location where the load is applied to the segment. The location is counted from the left-hand edge of the segment |
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(Other rows and load types exist but no functionality has been implemented yet) |
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Pour chaque segment de l'arbre, les paramètres suivants peuvent être définis, |
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To add a new shaft segment, right-click into the empty space to the right of the table, and choose "Add column". |
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* La longueur du segment. |
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* Le diamètre du segment. |
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* Type de charge. (Notez qu'après son défilement, vous devrez cliquer sur l'entrée souhaitée, dans le menu, sinon, il ne sera pas sélectionné !) |
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** Fixed : L'arbre est fixé à une extrémité, (par exemple soudé à une autre pièce). Ce type de charge ne peut être défini, pour le premier, ou le dernier segment. |
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** Static : Il y a une charge statique sur le segment de l'arbre. |
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* Charge sur le segment de l'arbre. |
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* L'emplacement, où la charge est appliquée sur le segment. L'emplacement, est comptabilisé à partir du bord gauche du segment. |
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(D'autres lignes, et, types de charges existent, mais aucune fonctionnalité n'a encore été appliquée) |
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Pour ajouter un nouveau segment à l'arbre, faites un clic droit dans l'espace vide à droite du tableau, et, cliquez sur '''Ajouter une colonne'''. |
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==Limitations== |
==Limitations== |
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* It is not possible to have adjacent shaft segments with the same diameter. |
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==Planned functionality== |
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* Il n'est pas possible d'avoir des segments adjacents de même diamètre que l'arbre. |
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* Table-driven chamfers and rounds on the shaft edges |
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* Recognize a previously created shaft wizard part and initialize the table values from it |
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==Fonctionnalités planifiées== |
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* Shaft stress calculation |
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* Visualization of loads on the shaft (can use the same functionality as for FEM module) |
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* Chanfreins, et, arrondis sur les bords de l'arbre, pilotés à partir de la table. |
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* Definition of loads as a Document Object (can use the same functionality as for FEM module) |
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* Reconnaissance assistée, des parties de l'arbre précédemment créé, et, initialisation des ses valeurs, dans la table. |
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* Material database |
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* Calcul de la tension de l'arbre. |
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* Allow loads in the Z-direction as well as in Y-direction (requires definition of loads as a Document Object, otherwise the table will become very long) |
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* Visualisation des charges sur l'arbre (cette fonction, peut utiliser la même fonctionnalité que le module [[FEM_project/fr|FEM]]). |
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* Définition des charges, comme un objet "Document" (cette fonction, peut utiliser la même fonctionnalité que le module [[FEM_project/fr|FEM]]). |
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* Matériel de base de données. |
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* Permettre de faire travailler les charges dans la direction '''Z''', ainsi que dans la direction '''Y''' (requiert, que la charge, soit considérée comme un objet "Document", sinon, la table peut devenir très longue). |
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{{clear}} |
{{clear}} |
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<languages/> |
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<br> |
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{{languages/fr | {{en|PartDesign_WizardShaft}} {{es|PartDesign_WizardShaft/es}} {{it|PartDesign_WizardShaft/it}} }} |
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Revision as of 14:59, 12 May 2014
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| Menu location |
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| Part Design → Shaft design wizard... |
| Workbenches |
| PartDesign, Complete |
| Default shortcut |
| None |
| Introduced in version |
| - |
| See also |
| None |
Introduction
This tool allows you to create a shaft from a table of values, and to analyse forces and moments. You can start the wizard from the Part Design menu or by typing
Gui.runCommand('PartDesign_WizardShaft')into the Python console of FreeCAD. The wizard will start and show a default table, the corresponding shaft part and force/moment graphs.
The top of the window is taken up by the table. It is organized into numbered columns which correspond to segments of the shaft. A shaft segment is characterized by having certain length and diameter. The main window shows two tabs. One is the shaft part itself (a revolution feature), shown in the image above. The second tab shows graphs of the shear forces and moments created by the loads defined in the table.
Prerequisites
The shaft design wizard depends on the matplotlib library to create and display the graphs of shear force and bending moment. On Debian/Ubuntu-based systems, it is available through the python-matplotlib package.
Parameters
For each shaft segment, the following parameters can be defined
- Length of the segment
- Diameter of the segment
- Load type. Note that you have to click on the desired entry in the menu after scrolling to it, otherwise it will not be selected!
- None: No load
- Fixed: The end of the shaft is fixed (e.g. welded to another part). This load type can only be defined for the first or last segment.
- Static: There is a static load on this shaft segment
- Load on the shaft segment
- Location where the load is applied to the segment. The location is counted from the left-hand edge of the segment
(Other rows and load types exist but no functionality has been implemented yet)
Menus
To add a new shaft segment, right-click into the empty space to the right of the table, and choose "Add column".
Limitations
- It is not possible to have adjacent shaft segments with the same diameter.
Planned functionality
- Table-driven chamfers and rounds on the shaft edges
- Recognize a previously created shaft wizard part and initialize the table values from it
- Shaft stress calculation
- Visualization of loads on the shaft (can use the same functionality as for FEM module)
- Definition of loads as a Document Object (can use the same functionality as for FEM module)
- Material database
- Allow loads in the Z-direction as well as in Y-direction (requires definition of loads as a Document Object, otherwise the table will become very long)