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实体——梁单元法中弹塑性切线刚度矩阵的推导
引用本文:周海龙,张天宇,王平.实体——梁单元法中弹塑性切线刚度矩阵的推导[J].内蒙古农业大学学报(自然科学版),2006,27(3):70-75.
作者姓名:周海龙  张天宇  王平
作者单位:1. 内蒙古农业大学水利与土木建筑工程学院,呼和浩特,010018
2. 内蒙古大学理工学院,呼和浩特,010021
3. 重庆交通大学,重庆,400074
摘    要:本文是在文献1]提出钢管混凝土拱桥计算的实体—梁单元法的基础上,详细地推导了该法的弹塑性切线刚度矩阵,在此基础之上编写了钢管混凝土拱桥考虑材料非线性的极限承载力计算程序SYCFST,该程序得到了算例试验模型拱的验证。从而证明该推导是正确的。

关 键 词:实体—梁单元法  弹塑性  刚度矩阵  材料非线性  程序
文章编号:1009-3575(2006)03-0070-06
收稿时间:2006-04-24
修稿时间:2006年4月24日

THE DERIVATION OF ELASTIC AND PLASTIC STIFFNESS MATRIX IN THE SOLID- BEAM ELEMENT METHOD
ZHOU Hai-long,ZHANG Tian-yu,WANG Ping.THE DERIVATION OF ELASTIC AND PLASTIC STIFFNESS MATRIX IN THE SOLID- BEAM ELEMENT METHOD[J].Journal of Inner Mongolia Agricultural University(Natural Science Edition),2006,27(3):70-75.
Authors:ZHOU Hai-long  ZHANG Tian-yu  WANG Ping
Institution:Water Conservancy, Civil Engineering and Architecture College, Inner Mongolia Agricultural University, Huhhot 010018, China; 2. College of Scienee and Engineering,lnner Mongolia University, Huhhot 010021 ,China; 3. Chongqing Jiaotong University Chongqing 400074. China
Abstract:Based on the document1]advancing solid-beam element method for CFST arch bridge calculating,the elastic and plastic stiffness tangential matrix was deducted in detail,calculating program SYCFST for ultimate bearing capacity of CFST arch bridge was drawn up based on this,which was tested and verified by computing example~ experimental model arch.Therefore,the derivation was also correct.
Keywords:Solid-beam element  elastic and plastic property  stiffness matrix  material non-linearity  program
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