FEM ConstraintDisplacement: Difference between revisions
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<!--T:9--> |
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{{Docnav |
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|[[FEM_ConstraintFixed|Constraint fixed]] |
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|[[FEM_ConstraintPlaneRotation|Constraint plane rotation]] |
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|[[FEM_Module|FEM]] |
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|IconL=FEM_ConstraintFixed.png |
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|IconC=Workbench_FEM.svg |
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|IconR=FEM_ConstraintPlaneRotation.png |
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{{GuiCommand |
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{{GuiCommand|Name=FEM ConstraintDisplacement|MenuLocation=Model → Mechanical Constraints → Constraint displacement||Workbenches=[[Fem Workbench|FEM]]|Shortcut=|SeeAlso=[[FEM_tutorial|FEM tutorial]]}} |
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|Name=FEM ConstraintDisplacement |
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|MenuLocation=Model → Mechanical Constraints → Constraint displacement |
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|Workbenches=[[Fem Workbench|FEM]] |
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|Shortcut= |
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|SeeAlso=[[FEM_tutorial|FEM tutorial]] |
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}} |
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==Description== <!--T:2--> |
==Description== <!--T:2--> |
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Creates a FEM constraint for a prescribed displacement of a selected object for a specified degree of freedom. |
Creates a FEM constraint for a prescribed displacement of a selected object for a specified degree of freedom. |
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== |
==Usage== <!--T:3--> |
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#Click on [[Image:FEM ConstraintDisplacement.png|32px]] or choose {{KEY|Model}} → '''Mechanical Constraints''' → {{KEY|[[Image:FEM ConstraintDisplacement.png|32px]] Constraint displacement}} |
#Click on [[Image:FEM ConstraintDisplacement.png|32px]] or choose {{KEY|Model}} → '''Mechanical Constraints''' → {{KEY|[[Image:FEM ConstraintDisplacement.png|32px]] Constraint displacement}} from the top menu. |
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#Select in the 3D |
#Select in the [[3D view]] the object the constraint should be applied to, which can be |
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## vertices (corners) |
## vertices (corners) |
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## edges |
## edges |
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#The constraint uses the *BOUNDARY card in CalculiX. Fixing a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node164.html and prescribing a displacement for a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node165.html |
#The constraint uses the *BOUNDARY card in CalculiX. Fixing a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node164.html and prescribing a displacement for a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node165.html |
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{{Docnav |
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|[[FEM_ConstraintFixed|Constraint fixed]] |
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|[[FEM_ConstraintPlaneRotation|Constraint plane rotation]] |
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|[[FEM_Module|FEM]] |
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|IconL=FEM_ConstraintFixed.png |
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|IconC=Workbench_FEM.svg |
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|IconR=FEM_ConstraintPlaneRotation.png |
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}} |
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{{FEM Tools navi{{#translation:}}}} |
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Revision as of 08:15, 29 February 2020
FEM ConstraintDisplacement |
Menu location |
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Model → Mechanical Constraints → Constraint displacement |
Workbenches |
FEM |
Default shortcut |
None |
Introduced in version |
- |
See also |
FEM tutorial |
Description
Creates a FEM constraint for a prescribed displacement of a selected object for a specified degree of freedom.
Usage
- Click on or choose Model → Mechanical Constraints → Constraint displacement from the top menu.
- Select in the 3D view the object the constraint should be applied to, which can be
- vertices (corners)
- edges
- faces
- Choose a degree of freedom to fix or prescribe a displacement to.
Limitations
Notes
- The constraint uses the *BOUNDARY card in CalculiX. Fixing a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node164.html and prescribing a displacement for a degree of freedom is explained at http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node165.html
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