FEM ElementFluid1D: Difference between revisions
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|[[FEM_ElementGeometry2D|Shell plate thickness]] |
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|[[FEM_ConstraintElectrostaticPotential|Constraint electrostatic potential]] |
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|[[FEM_Module|FEM]] |
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{{GuiCommand|Name=FEM ConstraintContact|MenuLocation=FEM → Constraint contact||Workbenches=[[Fem Workbench|FEM]]|Shortcut=|SeeAlso=[[FEM_tutorial|FEM tutorial]]}} |
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|Name=FEM ElementFluid1D |
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|MenuLocation=Model → Fluid section for 1D flow |
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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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==Description== <!--T:2--> |
==Description== <!--T:2--> |
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Creates a FEM constraint for contact between 2 surfaces. |
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Creates a FEM fluid section element for aerodynamic and hydraulic networks |
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==Usage== <!--T:3--> |
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#Select the slave face. |
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#Enter a contact stiffness. |
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#Enter a friction coefficient. |
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# Select Fluid type: Liquid, Gas or Open Channel |
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# Select Section type: Pipe Manning, Pipe Inlet etc. |
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# Enter Section type parameters. |
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==Limitations== <!--T:4--> |
==Limitations== <!--T:4--> |
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#The contact constraint can only be applied to two faces. |
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#The card only works with a 3 noded network element type. Information can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node54.html |
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==Notes== <!--T:5--> |
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#The contact stiffness should be 10 times the young's modulus of the material for hard contact. The higher the value for contact stiffness, the harder the contact between surfaces. |
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#The slave face is the face which penetrates into the master face, and therefore experiences more deformation. |
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#An example of the set up of a hydraulic network can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node13.html |
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# The *FLUID SECTION card is used to model fluid elements for 1D flow. Information on the card can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node205.html |
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|[[FEM_Module|FEM]] |
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|IconL=FEM_ElementGeometry2D.png |
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Revision as of 01:26, 1 March 2020
FEM ElementFluid1D |
Menu location |
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Model → Fluid section for 1D flow |
Workbenches |
FEM |
Default shortcut |
None |
Introduced in version |
- |
See also |
FEM tutorial |
Description
Creates a FEM fluid section element for aerodynamic and hydraulic networks
Usage
- Click on or choose Model → Fluid section for 1D flow from the top menu.
- Select Fluid type: Liquid, Gas or Open Channel
- Select Section type: Pipe Manning, Pipe Inlet etc.
- Enter Section type parameters.
- Select and add edge.
Limitations
- The card only works with a 3 noded network element type. Information can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node54.html
Notes
- An example of the set up of a hydraulic network can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node13.html
- The *FLUID SECTION card is used to model fluid elements for 1D flow. Information on the card can be found here: http://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node205.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