View source for FEM ElementGeometry1D/ro

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{{GuiCommand|Name=FEM ElementGeometry1D|MenuLocation=Model → Beam cross section||Workbenches=[[FEM_Workbench|FEM]]|Shortcut=C,B|SeeAlso=[[FEM_tutorial|FEM tutorial]]}}
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<span id="Description"></span>
==Descriere==

'''ElementGeometry1D''' is used to define cross sections for beam elements. Currently, the following types of cross sections are available: rectangular, circular and pipe.

<span id="Usage"></span>
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== Cum se folosește ==
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# There are several ways to invoke the command:
#* Press the {{Button|[[Image:FEM_ElementGeometry1D.svg|16px]] [[FEM_ElementGeometry1D|Beam cross section]]}} button.
#* Select the {{MenuCommand|Model → Element Geometry → [[Image:FEM_ElementGeometry1D.svg|16px]] Beam cross section}} option from the menu.
# Choose the type of cross section and specify the necessary dimensions:
#* Rectangular: width and height,
#* Circular: diameter,
#* Pipe: outer diameter and thickness.
# Optionally, press the {{Button|Add}} button in the task panel and then click on the edge you want to have a prescribed cross section. If the edge selection is free, all remaining edges (whose cross section is not defined by other [[FEM_ElementGeometry1D|FEM ElementGeometry1D]] objects) will be automatically assigned.

<span id="Properties"></span>
==Proprietăți==

* {{PropertyData|Section Type}}: specifies the type of the beam section (''Rectangular'', ''Circular'' or ''Pipe'')
* {{PropertyData|Circ Diameter}}: diameter of circular section, used if {{PropertyData|Section Type}} is ''Circular''
* {{PropertyData|Pipe Diameter}}: outer diameter of pipe section, used if {{PropertyData|Section Type}} is ''Pipe''
* {{PropertyData|Pipe Thickness}}: thickness of pipe section, used if {{PropertyData|Section Type}} is ''Pipe''
* {{PropertyData|Rect Height}}: height of rectangular section, used if {{PropertyData|Section Type}} is ''Rectangular''
* {{PropertyData|Rect Width}}: width of rectangular section, used if {{PropertyData|Section Type}} is ''Rectangular''

<span id="Limitations"></span>
==Limite==

* Other types of cross sections available in CalculiX (elliptical, box and general) are not currently supported. One can edit the input file to use them.

<span id="Notes"></span>
==Notă==

* For viewing results from CalculiX solver on the mesh expanded to the prescribed cross section, property {{incode|Beam Shell Result Output 3D}} in the [[FEM_SolverCalculixCxxtools|FEM SolverCalculixCxxtools]] needs to be set to {{incode|True}}.
* Some sections require specific element types:
** circular section - 2nd order elements
** pipe section - 2nd order elements with reduced integration ({{Version|0.22}}: reduced integration is enabled by default for beam elements and can be switched using the ''Beam Reduced Integration'' property of the [[FEM_SolverCalculixCxxtools|CalculiX solver]])
* This feature uses the [https://web.mit.edu/calculix_v2.7/CalculiX/ccx_2.7/doc/ccx/node162.html *BEAM SECTION card in CalculiX].


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