FEM ConstraintBodyHeatSource/ru: Difference between revisions
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Defines an internally generated body heat given in W/kg. |
Defines an internally generated body heat given in W/kg. |
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{{VersionPlus|1.0}}: Can also define the heat source in W. |
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<span id="Usage"></span> |
<span id="Usage"></span> |
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==Применение== |
==Применение== |
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# Press the {{Button|[[Image:FEM_ConstraintBodyHeatSource.svg|16px]] '''Body heat source'''}} button or select |
# Press the {{Button|[[Image:FEM_ConstraintBodyHeatSource.svg|16px]] '''Body heat source'''}} button or select {{MenuCommand|Model → Thermal boundary conditions and loads → [[Image:FEM_ConstraintBodyHeatSource.svg|16px]] Body heat source}} from the menu. |
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# Set the value: |
# Set the value: |
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#* {{VersionMinus|0.20}}: Since the tool has no task dialog, use the [[Property_editor|property editor]] and set the property {{PropertyData|Heat Source}}. |
#* {{VersionMinus|0.20}}: Since the tool has no task dialog, use the [[Property_editor|property editor]] and set the property {{PropertyData|Heat Source}}. |
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#* {{Version|0.21}}: Enter the body heat in W/kg. |
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#* {{VersionPlus|1.0}}: Select the mode: |
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#** ''Dissipation Rate'' - enter the dissipation rate in W/kg . |
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#** ''Total Power'' - enter the total power in W. |
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== |
==Limitations== |
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{{VersionMinus|0.20}}: The body heat source is applied to the whole model, meaning all bodies of the setup. It is not possible to select an individual body. |
* {{VersionMinus|0.20}}: The body heat source is applied to the whole model, meaning all bodies of the setup. It is not possible to select an individual body. |
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<span id="Notes"></span> |
<span id="Notes"></span> |
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==Примечания== |
==Примечания== |
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* For more information see [https://forum.freecadweb.org/viewtopic.php?f=18&t=44705&start=490#p422539 this forum thread] and following posts. [https://forum.freecadweb.org/viewtopic.php?f=18&t=28926 This thread] may also be useful. |
* For more information see [https://forum.freecadweb.org/viewtopic.php?f=18&t=44705&start=490#p422539 this forum thread] and following posts. [https://forum.freecadweb.org/viewtopic.php?f=18&t=28926 This thread] may also be useful. |
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* Elmer examples can also be found in [https://www.nic.funet.fi/pub/sci/physics/elmer/doc/ElmerTutorials.pdf Elmer GUI Tutorials]. |
* Elmer examples can also be found in [https://www.nic.funet.fi/pub/sci/physics/elmer/doc/ElmerTutorials.pdf Elmer GUI Tutorials]. |
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* {{VersionPlus|1.0}}: This feature uses the [https://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node188.html *DFLUX card in CalculiX]. |
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* {{VersionPlus|1.0}}: Since CalculiX expects body heat flux input in W/mm^3 while for Elmer it's W/kg, the conversion of the specified value (in W or W/kg) is done internally for each solver, using the volume of the selected solid and the density of the material assigned to it, if needed. |
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<div class="mw-translate-fuzzy"> |
<div class="mw-translate-fuzzy"> |
Latest revision as of 09:07, 13 June 2024
FEM ConstraintBodyHeatSource |
Системное название |
---|
FEM ConstraintBodyHeatSource |
Расположение в меню |
Model → Thermal constraints → Constraint body heat source |
Верстаки |
FEM |
Быстрые клавиши |
Нет |
Представлено в версии |
- |
См. также |
FEM tutorial |
Описание
Defines an internally generated body heat given in W/kg.
version 1.0 and above: Can also define the heat source in W.
Применение
- Press the Body heat source button or select Model → Thermal boundary conditions and loads → Body heat source from the menu.
- version 0.21 and above: For a 3D analysis, select a 'solid' (body) from your model, for a 2D analysis select a face.
- Set the value:
- version 0.20 and below: Since the tool has no task dialog, use the property editor and set the property ДанныеHeat Source.
- introduced in version 0.21: Enter the body heat in W/kg.
- version 1.0 and above: Select the mode:
- Dissipation Rate - enter the dissipation rate in W/kg .
- Total Power - enter the total power in W.
Limitations
- version 0.20 and below: The body heat source is applied to the whole model, meaning all bodies of the setup. It is not possible to select an individual body.
- version 0.21 and below: This feature only works with the Elmer solver.
Примечания
- For more information see this forum thread and following posts. This thread may also be useful.
- Elmer examples can also be found in Elmer GUI Tutorials.
- version 1.0 and above: This feature uses the *DFLUX card in CalculiX.
- version 1.0 and above: Since CalculiX expects body heat flux input in W/mm^3 while for Elmer it's W/kg, the conversion of the specified value (in W or W/kg) is done internally for each solver, using the volume of the selected solid and the density of the material assigned to it, if needed.
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
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