FEM Analysis: Difference between revisions
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{{Docnav||[[FEM_MaterialSolid|Material for solid]]|[[FEM_Module|FEM]]|IconC=Workbench_FEM.svg|IconR=FEM_MaterialSolid.png}} |
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{{GuiCommand|Name=FEM Analysis|MenuLocation= |
{{GuiCommand|Name=FEM Analysis|MenuLocation=Model → Analysis container||Workbenches=[[FEM Module|FEM]]|Shortcut=N,A|SeeAlso=[[FEM_tutorial|FEM tutorial]]}} |
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==Description== <!--T:5--> |
==Description== <!--T:5--> |
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The FEM Analysis could be seen as a Container that holds all objects of a Finite Element Analysis. It is mandatory to have a analysis container which holds all the needed objects. At least one of the following objects is needed for a mechanical analysis: |
The FEM Analysis could be seen as a Container that holds all objects of a Finite Element Analysis. It is mandatory to have a analysis container which holds all the needed objects. At least one of the following objects is needed for a mechanical analysis: |
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* [[ |
* [[FEM_MaterialSolid| material]] |
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* [[ |
* [[FEM_ConstraintFixed| fixed constraint]] |
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* [[ |
* [[FEM_ConstraintForce| force constraint]] or [[FEM_ConstraintPressure| pressure constraint]] |
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==How to use== <!--T:10--> |
==How to use== <!--T:10--> |
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# Other objects could be added or removed to the analysis container by drag and drop. |
# Other objects could be added or removed to the analysis container by drag and drop. |
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# To add new FEM Objects to the document the analysis has to be active. Double click on the analysis does activate the analysis. |
# To add new FEM Objects to the document the analysis has to be active. Double click on the analysis does activate the analysis. |
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==Options== <!--T:15--> |
==Options== <!--T:15--> |
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* Up to date there is no option to choose. |
* Up to date there is no option to choose. |
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* A frequency analysis in in development. See [http://forum.freecadweb.org/viewtopic.php?f=18&t=12189] for more informations. |
* A frequency analysis in in development. See [http://forum.freecadweb.org/viewtopic.php?f=18&t=12189] for more informations. |
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==Properties== <!--T:20--> |
==Properties== <!--T:20--> |
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* {{PropertyData|OutpuDir}}: Specifies the working directory of the analysis |
* {{PropertyData|OutpuDir}}: Specifies the working directory of the analysis |
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==Scripting== <!--T:25--> |
==Scripting== <!--T:25--> |
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most code here is depreciated in 0.17. |
most code here is depreciated in 0.17. |
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* new analysis |
* new analysis |
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App.ActiveDocument.MechanicalAnalysis.Member = member |
App.ActiveDocument.MechanicalAnalysis.Member = member |
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Examples: |
Examples: |
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App.ActiveDocument.MechanicalAnalysis.Member = member |
App.ActiveDocument.MechanicalAnalysis.Member = member |
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Revision as of 10:03, 11 February 2019
FEM Analysis |
Menu location |
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Model → Analysis container |
Workbenches |
FEM |
Default shortcut |
N,A |
Introduced in version |
- |
See also |
FEM tutorial |
Description
The FEM Analysis could be seen as a Container that holds all objects of a Finite Element Analysis. It is mandatory to have a analysis container which holds all the needed objects. At least one of the following objects is needed for a mechanical analysis:
How to use
- Press the Analysis container button, or press N then A keys. A new Analysis is created and set to active.
- Other objects could be added or removed to the analysis container by drag and drop.
- To add new FEM Objects to the document the analysis has to be active. Double click on the analysis does activate the analysis.
Options
- Up to date there is no option to choose.
- A frequency analysis in in development. See [1] for more informations.
Properties
- DataOutpuDir: Specifies the working directory of the analysis
Scripting
most code here is depreciated in 0.17.
- new analysis
MechanicalAnalysis.makeMechanicalAnalysis( name )
- add object to the analysis
App.ActiveDocument.MechanicalAnalysis.Member = App.ActiveDocument.MechanicalAnalysis.Member + [ (object) ]
- remove object from the analysis
member = App.ActiveDocument.MechanicalAnalysis.Member
member.remove( documentobject )
App.ActiveDocument.MechanicalAnalysis.Member = member
Examples:
import MechanicalAnalysis
analysis = MechanicalAnalysis.makeMechanicalAnalysis("MechanicalAnalysis")
FemGui.setActiveAnalysis(analysis)
addobj = App.ActiveDocument.getObject("MechanicalMaterial")
App.ActiveDocument.MechanicalAnalysis.Member = App.ActiveDocument.MechanicalAnalysis.Member + [addobj]
removeobj = App.ActiveDocument.getObject("MechanicalMaterial")
member = App.ActiveDocument.MechanicalAnalysis.Member
member.remove(removeobj)
App.ActiveDocument.MechanicalAnalysis.Member = member
FEM
- Materials: Solid, Fluid, Nonlinear mechanical, Reinforced (concrete); Material editor
- Element geometry: Beam (1D), Beam rotation (1D), Shell (2D), Fluid flow (1D)
Constraints
- Electromagnetic: Electrostatic potential, Current density, Magnetization
- Geometrical: Plane rotation, Section print, Transform
- Mechanical: Fixed, Displacement, Contact, Tie, Spring, Force, Pressure, Centrif, Self weight
- Thermal: Initial temperature, Heat flux, Temperature, Body heat source
- Overwrite Constants: Constant vacuum permittivity
- Solve: CalculiX Standard, Elmer, Mystran, Z88; Equations: Deformation, Elasticity, Electrostatic, Electricforce, Magnetodynamic, Magnetodynamic 2D, Flow, Flux, Heat; Solver: Solver control, Solver run
- Results: Purge, Show; Postprocessing: Apply changes, Pipeline from result, Warp filter, Scalar clip filter, Function cut filter, Region clip filter, Contours filter, Line clip filter, Stress linearization plot, Data at point clip filter, Filter function plane, Filter function sphere, Filter function cylinder, Filter function box
- Additional: Preferences; FEM Install, FEM Mesh, FEM Solver, FEM CalculiX, FEM Concrete; FEM Element Types
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub