摘要
基于Lord和Shulman广义热弹性理论,研究了热、电可导的半无限大体电磁热弹耦合的二维问题。半无限大体受热和外加恒定磁场的作用,文中建立了电磁热弹性耦合的控制方程,利用正则模态法求解得到了所考虑物理量的解析解,并用图形反映了各物理量的分布规律,从分布图上可以看出,介质中出现了电磁热弹耦合效应,各物理量的非零值仅在一个有限的区域内。
The Lord and Shulman generalized thermoelastic theory is employed to investigate a two-dimensional thermally and electrically conducting half-space solid with a surface subjected to a time-dependent heat and under an initial magnetic field parallel to the plane boundary of the half-space.The medium deforms due to the heat magnetic field.The Maxwell's equations are formulated and the electromagneto-thermoelastic coupled governing equations are established.The normal mode analysis is carried out to obtain the exact expressions for the considered variables.The distributions of the considered variables are represented graphically.
出处
《应用力学学报》
EI
CAS
CSCD
北大核心
2007年第3期343-347,共5页
Chinese Journal of Applied Mechanics
基金
国家自然科学基金(10602021
10472089)
中国博士后科学基金(20060400209)
关键词
电磁热弹耦舍
热松弛时间
广义热弹性理论
electromagneto-thermoelastic couple,thermal relaxation time,generalized thermoelastic theory.
