FEM: Constrângere de Deplasare
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Model → Mechanical Constraints → Constraint displacement |
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Contents |
Descriere
Creează o constrângere MEF pentru a o deplasare prescrisă a unui obiect selectat pentru un număr specificat de grade de libertate.
Cum se folosește
- Click pe
sau alegeți Model → Mechanical Constraints →
Constraint displacement din meniul de sus.
- Selectați în vizualizarea 3D obiectul la care trebuie aplicată constrângerea, care poate fi
- vertices (corners)
- edges
- faces
- Alegeți un grad de libertate pentru a stabili sau a prescrie o deplasare la.
Limite
Note
- constrângerea utilizează tabelul *BOUNDARY în CalculiX. Fixarea unui grad de libertate este explicată la http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node164.html și se precizează o deplasare pentru un anumit grad de libertate http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node165.html
- Materials: Solid, Fluid, Nonlinear mechanical; Material editor
- Element geometry: Beam (1D), Beam rotation (1D), Shell (2D), Fluid flow (1D)
Constraints
- Electrostatic: Potential
- Fluid: Initial velocity, Fluid boundary, Flow velocity
- Mechanical: Fixed, Displacement, Plane rotation, Contact, Transform, Force, Pressure, Self weight, Bearing, Gear, Pulley
- Thermal: Initial temperature, Heat flux, Temperature, Heat source
- Solve: Calculix tools, CalculiX, Elmer, Z88; Equations: Heat, Elasticity, Electrostatic, Flux, Flow; Solver: Solver control, Solver run
- Results: Purge, Show; Postprocessing: Apply changes, Pipeline from result, Create warp vector filter, Create scalar clip filter, Create cut filter, Create clip filter, Create data along line filter, Create linearized stresses,
Create data at point filter, Create functions
- Utilities: Clipping plane, Remove clipping planes; Mesh clear, Mesh display info
- Additional: Preferences; FEM Install, FEM Mesh, FEM Solver, FEM CalculiX, FEM Project, FEM Concrete; FEM Element Types

- 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, Draft, FEM, Image, Inspection, Mesh, OpenSCAD, Part, PartDesign, Path, Points, Raytracing, Reverse Engineering, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Deprecated or unmaintained workbenches: Complete, Drawing, Robot
- Hubs: User hub, Power users hub, Developer hub