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复杂应力状态下SMA热力学方程的求解
引用本文:樊剑,彭刚,龙晓鸿. 复杂应力状态下SMA热力学方程的求解[J]. 华中科技大学学报(自然科学版), 2003, 31(9): 31-33
作者姓名:樊剑  彭刚  龙晓鸿
作者单位:华中科技大学土木工程与力学学院;华中科技大学土木工程与力学学院;华中科技大学土木工程与力学学院
基金项目:湖北省教育厅创新基金资助项目 (2 0 0 0B14 0 0 )
摘    要:建立了在复杂应力状态下的热力学本构关系,并针对纯剪状态下的具体问题建立了热力学非线性方程的求解方法。利用MATLAB编写的数值计算程序,对形状记忆合金耗能弹簧进行了实例计算。结果表明,所建立的方法适用于热力学方程的求解,具有较好的适用性。

关 键 词:形状记忆合金  热力学方程  本构关系  复杂应力状态
文章编号:1671-4512(2003)09-0031-03
修稿时间:2002-12-03

The solution of thermodynamic non-linear equation of SMA under complex stress state
Fan JianPeng GangLong XiaohongDr., College of Civil Eng. & Mech.,Huazhong Univ. of Sci. & Tech.,Wuhan ,China.. The solution of thermodynamic non-linear equation of SMA under complex stress state[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 2003, 31(9): 31-33
Authors:Fan JianPeng GangLong XiaohongDr.   College of Civil Eng. & Mech.  Huazhong Univ. of Sci. & Tech.  Wuhan   China.
Affiliation:Fan JianPeng GangLong XiaohongDr., College of Civil Eng. & Mech.,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China.
Abstract:The thermodynamic constitutive relation under complex stress state was developed. The extract method of the thermodynamic non linear equation was also presented. With the numerical method programmed by Matlab a numerical example of shape memory alloy spring was presented to illustrate the correctness of the approach. The results indicated that the method presented was rational.
Keywords:shape memory alloy  thermodynamic equation  constitutive model  complex stress state
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