Transient analysis of multilayered magneto-electro-thermoelastic strip due to nonuniform heat supply
Transient analysis of multilayered magneto-electro-thermoelastic strip due to nonuniform heat supply
复制标题
DOI：
10.1016/j.compstruct.2004.04.013
复制
发表时间：
2005-05
影响因子：
6.3
通讯作者：
Y. Ootao;Y. Tanigawa
中科院分区：
文献类型：
--
作者：
Y. Ootao;Y. Tanigawa
本文对多层磁电热弹性带在宽度方向上的非稳态、非均匀加热进行了理论分析。用拉普拉斯法和有限正弦变换法分析了瞬态二维温度场。得到了平面应变状态下简支多层磁电热弹性带的精确解。作为一个例子，对一个由压电和磁致伸缩材料构成的三层复合材料条进行了数值计算，给出了瞬态时的温度变化、位移、应力、电势和磁势分布的数值结果。位移和应力分布进行了比较与类似的热弹性条。此外，跨度与厚度比的温度变化，位移，应力，电势和磁势的影响进行了研究。
This paper is concerned with the theoretical analysis of the multilayered magneto-electro-thermoelastic strip due to unsteady and nonuniform heat supply in the width direction. The transient two-dimensional temperature is analyzed by the methods of Laplace and finite sine transformations. We obtain the exact solution for the simply supported and multilayered magneto-electro-thermoelastic strip under a plane strain state. As an example, numerical calculations are carried out for a three-layered composite strip constructed of piezoelectric and magnetostrictive materials and the numerical results for temperature change, displacement, stress, electric potential, and magnetic potential distributions in a transient state are shown in figures and tables. The displacement and stress distributions are compared with those obtained for a similar thermoelastic strip. Furthermore the effects of the span-to-thickness ratio on the temperature change, displacements, stresses, electric potential, and magnetic potential are investigated.