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Trace: • Tension Test • Microelectromechanical systems
doc:user:elements:volumes:volumeelement

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doc:user:elements:volumes:volumeelement [2020/12/28 09:45] – [QuadTriangleVolume2DElement] tanakadoc:user:elements:volumes:volumeelement [2025/04/23 12:05] (current) – radermecker
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 By default, if $n$ is the degree of mechanical interpolation and $d$ the element dimension, the number of integration points in the deviatoric part of the stress field is $(n+1)^{d}$, unless stated otherwise with the definition of ''NIPDKSI'', ''NIPDETA'' or ''NIPDZETA'' (see [[#Parameters ]]). \\ For example, the interpolation of ''Volume2DElement'' is of the first degree ($n=1$), and it is a 2D element ($d=2$), leading to 4 integration points. By default, if $n$ is the degree of mechanical interpolation and $d$ the element dimension, the number of integration points in the deviatoric part of the stress field is $(n+1)^{d}$, unless stated otherwise with the definition of ''NIPDKSI'', ''NIPDETA'' or ''NIPDZETA'' (see [[#Parameters ]]). \\ For example, the interpolation of ''Volume2DElement'' is of the first degree ($n=1$), and it is a 2D element ($d=2$), leading to 4 integration points.
  
-The number of integration points in the volume part of the stress field (pressure) depends on the chosen [[doc:user:elements:volumes:elements_formulation|method to integrate stresses]] are cannot be modified.+The number of integration points in the volume part of the stress field (pressure) depend on the chosen [[doc:user:elements:volumes:elements_formulation|method to integrate stresses]] and cannot be modified.
  
 === Remarks === === Remarks ===
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 ===== QuadVolume[2|3]DElement ===== ===== QuadVolume[2|3]DElement =====
  
-''QuadVolume2DElement'' and ''QuadVolume3DElement'' are quadratic elements. ''QuadVolume2DElement'' is a 8-nodes quadratic quadrangle, ''QuadVolume2DElement'' a 20 quadratic hexaedron. They are purely mechanical, with respectively 16 and 60 dofs.+''QuadVolume2DElement'' and ''QuadVolume3DElement'' are quadratic elements. ''QuadVolume2DElement'' is a 8-nodes quadratic quadrangle, ''QuadVolume3DElement'' a 20 quadratic hexaedron. They are purely mechanical, with respectively 16 and 60 dofs.
  
 By default, stresses are integrate over 4/27 integration points in the deviatoric part in 2/3D, with the formula already stated for ''Volume[2|3]DElement''. The standard formulation must be used (''CAUCHYMECHVOLINTMETH = VES_CMVIM_STD''), which is not the default one. By default, stresses are integrate over 4/27 integration points in the deviatoric part in 2/3D, with the formula already stated for ''Volume[2|3]DElement''. The standard formulation must be used (''CAUCHYMECHVOLINTMETH = VES_CMVIM_STD''), which is not the default one.
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 Quadratic, 10-nodes tetrahedron in 3D, 30 dofs. As with quadratic elements in 2D, the standard formulation must be used (''CAUCHYMECHVOLINTMETH = VES_CMVIM_STD''). Quadratic, 10-nodes tetrahedron in 3D, 30 dofs. As with quadratic elements in 2D, the standard formulation must be used (''CAUCHYMECHVOLINTMETH = VES_CMVIM_STD'').
  
-By default, stresses are integrate over 4 integration points in the deviatoric part.+By default, stresses are integrated over 4 integration points in the deviatoric part.
  
 __Remark__: To use these higher order elements, the mesh must be also defined as second or third degree.  __Remark__: To use these higher order elements, the mesh must be also defined as second or third degree. 
doc/user/elements/volumes/volumeelement.1609145124.txt.gz · Last modified: by tanaka
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