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钢结构弹塑性分析的样条有限点法

QIN Rong,ZHU Xu-hui,PAN Chun-yu,HE Tao

Science Technology and Engineering（2009）

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Abstract
介绍钢结构弹塑性分析的样条有限点法.首先用混合参数法构造了样条基函数,在此基础上将梁单元进行单样条离散,建立了梁单元的样条离散化总势能泛函,利用最小势能原理,最终得到薄梁的挠度及弯矩.根据上述方法并结合FOR-TRAN语言的矩阵运算优势,编制了样条有限点法的FORTRAN程序.通过典型算例分析,结果表明此方法计算简便,精度高,经济有效。
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spline finite point method elasto-plastic analysis program design
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