1) spatial curved girder element
空间曲梁单元
2) three-dimensional beam element
空间梁单元
1.
In this paper,the stiffness matrix of three-dimensional beam element is regarded as the function of the shearing-shape coefficient of beam section.
本文将空间梁单元的刚度矩阵视为梁截面的剪切形状系数的函数,对FRAME3相关子程序进行了适当改动,使该程序计入了截面的剪切形状系数对梁变形的影响,并将剪切形状系数视为变量进行了随机处理,利用算例求出了不计、计入剪切形状系数时杆系结构的解及其对剪切形状系数的随机解,并对三者进行了比较分析。
3) space beam element
空间梁单元
1.
Calculation of transverse load distribution of T-beam utilizing space beam element;
采用空间梁单元计算T梁荷载横向分布
2.
When carrying out geometric nonlinear analysis or ultimate bearing capacity calculation for stem structures such as beam,roof,reticulated shell structures or grid structures,tangent stiffness matrix of space beam element is requested.
在开展桥梁、房屋、网壳、网架等杆系结构几何非线性分析或极限承载力计算时,需要空间梁单元的切线刚度矩阵。
4) spatial beam element
空间梁单元
1.
Based on the geometrical nonlinear theory of system consisted of bars, the formula of nodal displacement increment really causing the deformation of spatial beam element in its motion from t to t+Δt moment is derived in spatial co-rotational coordinate system.
在杆系结构几何非线性理论的基础上,推导了在空间状态随转坐标系下从t时刻到t+Δt时刻,空间梁单元的运动中能真正引起单元变形的那部分节点位移增量表达式。
6) spatial combined beam element
空间组合梁单元
1.
In this structure,two steel tubes,two core concretes,one web and the concrete in web cavity are firstly considered as general spatial beam elements,then they are assembled into a spatial combined beam element according to the plane hypothesis and transformation matrix formed from master and slave nodes.
针对钢管混凝土哑铃型截面的构造特点,视截面中的钢管、管内混凝土、腹板以及腹腔内混凝土为普通空间梁单元,利用平截面假定和主从节点形成的转换矩阵,将各个普通空间梁单元集合成空间组合梁单元。
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