1) Plane shell element
平面壳体单元
2) Flat shell isoparametric element
平面壳体等参单元
3) solid-shell element
体-壳单元
1.
In order to improve simulation accuracy,a new method was carried out to model the finite element model by combining solid-shell element with solid element.
编制残余应力施加通用程序,建立包含有初始残余应力的加工变形有限元预测模型;由于铣削加工,毛坯体变为薄壁工件,在进行有限元仿真过程中,提出体-壳单元与实体单元的混合单元建模方法,以提高计算效率及便于后续研究;针对工件与工作台单面约束的接触作用及其它工程中的类似单面约束问题,提出将工件视为弹性体,工作台视为刚性体,转化为接触方式进行纯压缩边界条件的模拟,对某典型工件进行了有限元仿真并与模态试验结果对比,验证了其有效性和准确性;基于生死单元技术进行材料去除模拟。
4) shell element
壳体单元
5) flat shell problem
单元壳体
1.
The most brief and effective method of settling the shell problem is to transform it into two-dimensional cells to calculate, we used the finite element method to analyze the cell shell and resolve the flat shell problem by compounding the cell shell many times.
介绍了解决壳体问题最简单有效的方法就是把它转化成二维单元再进行计算,运用有限元法对单元壳体进行分析,通过对单元壳体的多次组合最终解决平板壳体问题,在计算壳体问题时能够发挥相当重要的作用。
6) plane-strain shell element
平面应变板壳单元
1.
Using elasto-plastic large deformation FEM based on finite deformation virtual power-rate, a kind of two-node plane-strain shell element model for section analysis is constructed.
基于有限变形虚功率增量原理的弹塑性大变形有限元理论，建立了两节点高效率平面应变板壳单元截面分析模型，并应用非均匀有理Ｂ样条曲线描述模具截面线进行接触判断，能快速获得较理想的板料冲压成形模拟结果。
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