FEM ConstraintTie: Difference between revisions
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#* Press the {{Button|[[Image:FEM ConstraintTie.svg|16px]] [[FEM ConstraintTie|Tie constraint]]}} button. |
#* Press the {{Button|[[Image:FEM ConstraintTie.svg|16px]] [[FEM ConstraintTie|Tie constraint]]}} button. |
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#* Select the {{MenuCommand|Model → Mechanical boundary conditions and loads → [[Image:FEM ConstraintTie.svg|16px]] Tie constraint}} option from the menu. |
#* Select the {{MenuCommand|Model → Mechanical boundary conditions and loads → [[Image:FEM ConstraintTie.svg|16px]] Tie constraint}} option from the menu. |
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# Press the {{Button|Add}} button in the task panel and then click on the face you want to add to tie constraint definition. Exactly two faces have to be added, one after the other. |
# Press the {{Button|Add}} button in the task panel and then click on the face you want to add to tie constraint definition. Exactly two faces have to be added, one after the other. The first selected face will be the slave face while the second one will be the master face. |
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# Optionally, define Tolerance - tie constraint will be applied only to nodes separated from the |
# Optionally, define Tolerance - tie constraint will be applied only to slave surface nodes separated from the master surface by a distance not larger than the one specified here. |
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# {{Version|0.22}}: Optionally, check the ''Enable Adjust'' box to allow the slave surface nodes to be automatically moved to lie on the master surface if they are involved in the constraint (i.e. meet the tolerance criterion). |
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==Notes== <!--T:8--> |
==Notes== <!--T:8--> |
Revision as of 19:26, 30 January 2024
FEM ConstraintTie |
Menu location |
---|
Model → Mechanical boundary conditions and loads → Tie constraint |
Workbenches |
FEM |
Default shortcut |
None |
Introduced in version |
0.19 |
See also |
FEM Constraint pressure |
Description
Defines a tie constraint that connects the two selected surfaces in such a way that (as opposed to how contact works) they can't separate or slide on each other throughout the analysis. Thus, the surfaces remain permanently bonded all the time.
Usage
- There are several ways to invoke the command:
- Press the Tie constraint button.
- Select the Model → Mechanical boundary conditions and loads → Tie constraint option from the menu.
- Press the Add button in the task panel and then click on the face you want to add to tie constraint definition. Exactly two faces have to be added, one after the other. The first selected face will be the slave face while the second one will be the master face.
- Optionally, define Tolerance - tie constraint will be applied only to slave surface nodes separated from the master surface by a distance not larger than the one specified here.
- introduced in version 0.22: Optionally, check the Enable Adjust box to allow the slave surface nodes to be automatically moved to lie on the master surface if they are involved in the constraint (i.e. meet the tolerance criterion).
Notes
- This feature uses the *TIE card in CalculiX.
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