摘要
提出一族节点数可变的部分非连续型四边形边界元。在传统的边界元程序中引入该族单元，可以方便地处理三维问题中的角点及面力不连续问题，并能实现在不同的求解区域甚至同一区域的不同坐标方向采用不同阶次的插值函数。文中给出了该族单元的具体插值函数形式。文末用算例表明了该族单元的可行性。
A family of node-variable partially discontinuous quadrilateral boundary elements for 3-D proplems if proposed. Introducing these elements to conventional BEM program,the problems of corners and traction discontinuity can be treated conveniently,and interpolating functions of different orders can be taken in the different zones of the boundary,even in the different co-ordinates of the same zone. The detailed interpolating function is given in this paper.Finally,the feasibility of the elements is verified by a numerical example.
出处
《石家庄铁道学院学报》
1995年第3期1-8,共8页
Journal of Shijiazhuang Railway Institute
关键词
边界元法
插值函数
三维问题
BEM
interpolating function
corners
3-D problem
