BEAM18x单元在杆系结构分析中的应用  

Application of BEAM18x Elements to the Analysis of Pole Structures

作　　者：陈学玲[1] 王新敏[2] 

机构地区：[1]石家庄铁道学院土木工程分院,河北石家庄050043 [2]石家庄铁道学院大型结构健康诊断与控制研究所,河北石家庄050043

出　　处：《国防交通工程与技术》2009年第1期67-70,共4页Traffic Engineering and Technology for National Defence

摘　　要：简要介绍了ANSYS提供的BEAM18x单元的功能和Ti moshenko梁理论的基本假定,就该单元的长细比影响、曲梁应用,变截面、组合截面、剪切变形的处理及刚度矩阵推导等问题进行了讨论,总结了用BEAM18x单元进行杆系结构分析时的适用性与方法,有助于对BEAM18x单元的理解及应用。The functions of BEAM18x elements in ANSYS and the basic assumptions of the Timoshenko beam theory are briefly introduced in the paper, with problems in the applicability of the elements, the application of them to curved beams, variable cross-sections, and combined cross-sections, and shear deformation and the stiffness matrix discussed, and their applicability and application methods summed up for BEAM18x elements in the analysis of Pole Structures.

关 键 词：BEAM18x单元 长细比 梁截面 剪切变形 刚度矩阵 

分 类 号：TU323[建筑科学—结构工程] TB115[理学—数学]