1) spherical shell element
球壳单元
2) single-layer spherical shells
单层球壳
1.
Failure types prediction of single-layer spherical shells under simple dynamic loads using respond surface method
响应面法预测单层球壳简单动荷载下的破坏形式
3) shell element
壳单元
1.
A shell element accounting for through thickness stress;
可计算厚度方向应力的壳单元
2.
Discussion on numerical simulation of multi-pass welding of thin-plate based on shell element;
壳单元应用于薄板多道焊焊接数值模拟的方法探讨
3.
An explicit finite element formulation on EAS-shell element and its application in nonlinear plate and shell problems
一种基于改善拟应变法的壳单元模型
4) mindlin shell element
曲壳单元
1.
The Hill′s 1979 yield function with thickness anisotropy and Mindlin shell element with double-surface contact algorithm at element level,which can reflect strong bending effects and changing gaps between die and punch,are introduced into the dynamic explicit FEM algorithm,and integrated into dependently developed CAE code KMAS for sheet metal forming.
将厚向异性屈服函数、单元级双面接触算法的能够反映强烈弯曲效应的M ind lin曲壳单元模型引入动力显式中心差分格式的有限元算法,并组入自主开发的板成形CAE商品化软件KMAS系统中,建立对复杂形状的中厚板件拉深成形有限元模拟分析算法;在此基础上,以轿车摇臂厚板金件为例分析了材料厚向异性参数r值、凹模圆角以及压边力大小对此类成形件成形性的影响。
5) 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。
6) CB shell element
CB壳单元
1.
In order to study stiffness degeneration rules of prestressed concrete continuous box girder after cracking,considering loading and unloading effect,material and geometric bi-nonlinear effect,whole process of cracking,yielding,failure of a three-span continuous skew box girder was simulated effctively by using CB shell element and layered model on simulation of prestressed concrete structure.
为了研究预应力混凝土连续箱梁开裂后的刚度退化规律,基于CB壳单元,采用层状模型模拟预应力混凝土结构;考虑加载和卸载效应及材料和几何双重非线性效应,有效地模拟了三跨连续斜交箱梁的开裂、屈服和失效全过程。
2.
Using CB shell element and layered model,the behaviors of cracking,yielding and destroying procedures of a three-span PC continuous skew box girder are analyzed considering the material and the geometry nonlinearity.
基于CB壳单元,采用层状模型模拟预应力混凝土结构,考虑材料和几何双重非线性效应,有效地模拟了三跨连续斜交箱梁的开裂、屈服和失效的全过程。
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