针对弹塑性接触问题所推得的数值求解式子,运用二次规划法具体设计了算法,该算法采用有限的基底交换运算就可得到收敛的数值解,具有较好的收敛性及较小的计算工作量.工程计算算例结果表明文章所提出的接触问题的求解方法是有效的,针对结构中接触问题所建立的数值计算模型能真实反映实际工作状况是可靠的.文章中还详细给出了接触单元相关矩阵和向量的具体推导形式.
The approach to quadratic programming is proposed for the numerical formulas of elastoplastic contact problems.It has convergent solutions with fewer base exchanges instead of the common iterative methods.The engineering numerical solutions show that the method presented in the paper is effective.And the computational model for the contact problems in engineering structures can accurately explain the actual conditions of the interactive in sheet spatial structure system.It also gives the idiographic formula...