强化材料矩形截面杆弹塑性扭转问题的摄动加权残值解法  

Method of Perturbation weighted residual value solution for torsion problem of elasto-plastic to the rectangular section bar with strain-hardening

作　　者：曾忠敏 王江涛 党爽 刘春苹 Zeng Zhongmin;Wang Jiangtao;Dang Shuang;Liu Chunping(Mingde College of Guizhou University,Guiyang 550025,China;Engineer Bureau of Geophysical Prospecting INC.,China National Petroleum Corporation Equipment Service Apartment,Center of Equipment Searchment,Baoding 072750,China)

机构地区：[1]贵州大学明德学院,贵州贵阳550025 [2]中国石油集团东方地球物理勘探有限责任公司装备服务处装备研究中心,河北保定072750

出　　处：《江苏科技信息》2018年第28期31-33,共3页Jiangsu Science and Technology Information

摘　　要：文章结合摄动加权残值解法的算法模型与Matlab计算分析软件,对强化规律可以以幂级数表示的强化材料矩形截面杆弹塑性扭转问题进行了解法推导,得到矩形截面杆扭转时剪应力和扭矩的一种非线性渐进解。In this paper,according to an algorithm model of perturbation weighted residual value solution and Matlab,a nonlinear asymptotic analytical solution about shear stress and torque for the torsion problem of elasto-plastic to the rectangular section bar with strain-hardening is derived while the stress-strain relation of the material is expressed by a power series.

关 键 词：摄动加权残数法 强化材料 矩形截面杆 弹塑性扭转 渐进解 

分 类 号：O341[理学—固体力学]