扩张 发表于 2025-3-25 04:43:27
Springer-Verlag Berlin Heidelberg 1989LVAD360 发表于 2025-3-25 08:07:47
Formulations and Applications for Elasto-Plastic Dynamic Shell Analyses,ng loading such as impact, explosive or seismic loading, is often of crucial importance. In this chapter we consider the transient dynamic analysis of plate and shell structures (including elasto-plastic material behaviour) using the assumed strain 9-node element .蛛丝 发表于 2025-3-25 15:40:55
http://image.papertrans.cn/s/image/876236.jpg十字架 发表于 2025-3-25 16:11:46
https://doi.org/10.1007/978-1-4471-1669-1Terminal; cement; computer; engine; finite element method; membrane; model; modeling; plate theory; plates; re僵硬 发表于 2025-3-25 22:31:01
Degenerations of Three-Dimensional Theory,ery much smaller than its other dimensions, then it is possible to obtain a specialised two-dimensional version of the three-dimensional theory, that is, the geometry and deformation of the structure can be described by some variables in a certain surface.Pde5-Inhibitors 发表于 2025-3-26 02:03:03
Assumed Strain Finite Element Shell Formulations,ral curved shell element which has nodes only at the midsurface. The stress in the thickness direction is assumed to be equal to zero and the element displacement field is expressed in terms of three displacements of the midsurface, two rotations of the midsurface “normal” and appropriate shape functions.BLANK 发表于 2025-3-26 07:46:44
ements. In the late sixties, a degenerated, Mindlin-type, curved shell element was developed and subsequently many improvements in such elements have been made. Reliability and efficiency in use has always been a major objective. Degenerated shell elements have enjoyed widespread popularity despiteneedle 发表于 2025-3-26 08:35:11
Introduction,f buildings and in many other engineering works. In the past when engineers designed shells they would simply rely on intuition and collective past experience and consequently undertake only a few, if any, simple calculations. Gradually, this situation changed. In the modern, rapidly changing technoCLASP 发表于 2025-3-26 14:30:11
http://reply.papertrans.cn/88/8763/876236/876236_29.pngnugatory 发表于 2025-3-26 19:54:09
Defects of Mindlin Plate and Degenerated Shell Elements, impossible to obtain. Therefore, the discretisation of continuum problems is necessary to obtain numerical solutions for practical purposes. There have been several general techniques directly applicable to the differential equations governing the problems. Such methods include finite difference ap