柱壳结构的大变形弹塑性样条有限条分析

Geometry Nonlinear Elastic-Plastic Analysis of Cylindrical Shell Structure by The Spline Finite Strip Method

本文将Ｂ３样条函数应用于柱壳结构的大变形弹塑性有限条分析过程．开发了样条有限条法的Ｃ语言程序包．可在普通３８６微机上运行．与有限元法相比可节约大量的计算机内存和机时，与一般的有限条法相比可处理集中力、小块载荷、多跨及在条的边部有不连续的边界的约束等问题．与解析法和有限元法相比．结果令人满意．

he B3-spline was applied to geometry nonlinear elast-plastic finitestrip analysis of cylindrical shell structure.In the analysis.the geometry nonlinearand the material nonlinear were considered at the same time.Comparing withthe finite element method.the method can save much computer memory andcomputing hours.The results are satisfactory compared with the known results.The method can be extend to the analysis of plastic forming prcesses.