FEM ConstraintFlowVelocity/ru: Difference between revisions
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Устанавливает скорость потока в качестве граничного условия к кромке в 2D или к грани в 3D. |
Устанавливает скорость потока в качестве граничного условия к кромке в 2D или к грани в 3D. |
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==Использование== |
==Использование== |
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# There are several ways to invoke the command: |
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#* Press the {{Button|[[Image:FEM_ConstraintFlowVelocity.svg|16px]] [[FEM_ConstraintFlowVelocity|FEM ConstraintFlowVelocity]]}} button. |
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# The [[task panel]] will display menus for constraint flow velocity |
# The [[task panel]] will display menus for constraint flow velocity |
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# Select the target Edges or Faces. |
# Select the target Edges or Faces. |
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# |
# Press the {{Button|Add}} button. |
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# Deselect "unspecified" to activate the necessary fields for edition. |
# Deselect "unspecified" to activate the necessary fields for edition. |
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# Fill in the values in mm/s for the main Cartesian components. |
# Fill in the values in mm/s for the main Cartesian components. |
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==Notes== |
==Notes== |
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* Vector components that are ticked as "unspecified" will be interpolated by the selected solver. |
* Vector components that are ticked as "unspecified" will be interpolated by the selected solver. |
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*: Any vector that should be the result of the solver must be ticked as "unspecified". |
*: Any vector that should be the result of the solver must be ticked as "unspecified". |
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* For a Wall with non-slip condition, the flow will be (0,0,0) |
* For a Wall with non-slip condition, the flow will be (0,0,0) |
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* For a Symmetry condition, the flow will be (0, Unspecified, Unspecified) if "normal to boundary" is ticked. |
* For a Symmetry condition, the flow will be (0, Unspecified, Unspecified) if "normal to boundary" is ticked. |
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Revision as of 14:28, 25 February 2021
FEM ConstraintFlowVelocity |
Системное название |
---|
FEM ConstraintFlowVelocity |
Расположение в меню |
Model → Fluid constraints → Constraint flow velocity |
Верстаки |
FEM |
Быстрые клавиши |
Нет |
Представлено в версии |
- |
См. также |
FEM tutorial |
Описание
Устанавливает скорость потока в качестве граничного условия к кромке в 2D или к грани в 3D.
Constraint flow velocity menus within the task panel
Использование
- There are several ways to invoke the command:
- Press the FEM ConstraintFlowVelocity button.
- Select the Model → Fluid Constraints → Constraint flow velocity option from the menu.
- The task panel will display menus for constraint flow velocity
- Select the target Edges or Faces.
- Press the Add button.
- Deselect "unspecified" to activate the necessary fields for edition.
- Fill in the values in mm/s for the main Cartesian components.
Notes
- Vector components that are ticked as "unspecified" will be interpolated by the selected solver.
- Any vector that should be the result of the solver must be ticked as "unspecified".
- If the target face or edge is not aligned with the main cartesian coordinate system, it is possible to tick "normal to boundary".
- If "normal to boundary" is ticked, the normal vector to the selected edge or face is X and it will be oriented away from the mesh domain.
- For example, if a flow of 20 mm/s of air must enter the domain, then after ticking "normal to boundary" the user will have to input -20 mm/s in the "velocity X" field.
- For a Wall with non-slip condition, the flow will be (0,0,0)
- For a Symmetry condition, the flow will be (0, Unspecified, Unspecified) if "normal to boundary" is ticked.
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
Документация пользователя
- Начинающим
- Установка: Загрузка, Windows, Linux, Mac, Дополнительных компонентов, Docker, AppImage, Ubuntu Snap
- Базовая: О FreeCAD, Интерфейс, Навигация мыши, Методы выделения, Имя объекта, Настройки, Верстаки, Структура документа, Свойства, Помоги FreeCAD, Пожертвования
- Помощь: Учебники, Видео учебники
- Верстаки: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework