1) quasi-three dimensional shell element
退化曲壳单元
1.
A quasi-three dimensional shell element model, which can be effectively used to simulate the flanging and spring-back deformation, is introduced into an independently developed CAE software, KMAS.
在独立研制的板材冲压成形性分析软件KMAS中 ,组入可有效模拟厚钣金件压弯成形与回弹变形的三维退化曲壳单元模型 ,简述了考虑凹、凸模间隙可变的基于有限元网格双面接触算法以及回弹的处理技术 ,数值研究了铁路客车牵引架厚钣金件压弯翻边与回弹变形过程 ,并将压弯过程模拟结果与国外基于单面接触算法的商品化软件的模拟结果以及实验结果进行了比较 。
2) degenerated-shell element
退化壳单元
1.
Based on the theory of nonlinear finite element method the updated Lagrangian formulation of degenerated-shell element is deduced for nonlinear analysis of plates and shells.
根据非线性有限元的基本理论，推导了进行板壳结构非线性分析的退化壳单元的修正拉格朗日（ＵｐｄａｔｅｄＬａｇｒａｎｇｉａｎ简称Ｕ。
3) degenerated shell element
三维退化曲壳元
1.
The plates and shells are discreted by degenerated shell element with nine nodes and the buckling property and analyzed for element tangent stiffness matrix with consideration accorded material nonlinearity and geometrical nonlinearity.
采用三维退化曲壳元离散板壳结构,在 TL 列式下推导了考虑双重非线性的单元切线刚度矩阵,提出采用罚单元法处理结构加载边的位移约束条件。
4) degenerate shell element
退化壳体单元
5) degraded shell element
实体退化壳单元
1.
After the modeling of degraded shell element is introduced,the prestressed concrete multi-T girder bridge is modeled and the steel and the prestressed steel are depicted by layered shell element.
针对预应力混凝土多T梁桥,基于实体退化壳单元,研究了多T梁桥极限承载力的计算方法。
补充资料：ANSYS壳单元分析箱梁
! Analysis a box beam section with shell elements of ANSYS
! 用ansys的壳体单元分析箱梁
! Box dimension: 10*4*4m with shell thickness of 0.04m
! By Lu Xinzheng, Depart. Civil Engineering, Tsinghua University, Beijing
! 陆新征，清华大学土木系
! Aug. 2004
! Define the Element
! 定义单元
/PREP7
!*
ET,1,SHELL93
!*
! Define the section for shells
! 定义壳单元截面
R,1,.04, , , , , ,
!*
! Define the material
! 定义材料
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,200e9
MPDATA,PRXY,1,,.3
! Setup the model
! 建模
! Define the keypoints
! 定义关键点
k,1,0,0,0
k,2,4,0,0
k,3,4,4,0
k,4,0,4,0
! Define the lines
! 定义线
l,1,2
l,2,3
l,3,4
l,4,1
! Define the section area
! 定义截面
a,1,2,3,4
! 用ansys的壳体单元分析箱梁
! Box dimension: 10*4*4m with shell thickness of 0.04m
! By Lu Xinzheng, Depart. Civil Engineering, Tsinghua University, Beijing
! 陆新征，清华大学土木系
! Aug. 2004
! Define the Element
! 定义单元
/PREP7
!*
ET,1,SHELL93
!*
! Define the section for shells
! 定义壳单元截面
R,1,.04, , , , , ,
!*
! Define the material
! 定义材料
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,200e9
MPDATA,PRXY,1,,.3
! Setup the model
! 建模
! Define the keypoints
! 定义关键点
k,1,0,0,0
k,2,4,0,0
k,3,4,4,0
k,4,0,4,0
! Define the lines
! 定义线
l,1,2
l,2,3
l,3,4
l,4,1
! Define the section area
! 定义截面
a,1,2,3,4
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条