Direct finite element method to a generalized two-dimensional magneto-thermoelastic problem of a rotating half-space

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	Direct finite element method to a generalized two-dimensional magneto-thermoelastic problem of a rotating half-space
	He, Tianhu; Guan, Mingzhi
	2011-04-01
发表期刊	Guti Lixue Xuebao/Acta Mechanica Solida Sinica
ISSN	02547805
卷号	32 期号:2 页码:203-209
摘要	For the purpose of examining the validity and accuracy of direct finite element method to dealing with generalized magneto-thermoelastic rotation problems in the context of Lord and Shulman theory(L-S), this method was used to solve a generalized electromagneto-thermoelastic coupled dynamic problem of a rotating half-space. The L-S type generalized electromagneto-thermoelastic coupled governing equations were given, and the general form of virtual displacement principle as well as the corresponding finite element equations were formulated in this paper. The distributions of dimensionless temperature, dimensionless displacement, dimensionless stress and dimensionless induced magnetic field were displayed graphically. From the distribution of temperate, the unique characteristic of heat wave front can be clearly observed in the location of heat wave front where a sharp change of temperature occurs. And it also can be found that rotation acts to decrease the magnitude of the displacement, the stress and the induced magnetic field while barely has effect on the magnitude of temperature. The obtained results show that the method is effective to obtain high calculation accuracy for generalized two-dimensional electromagneto-themoelastic rotating problem in the frame of L-S theory.
关键词	Climatology Geometry Magnetic fields Thermoelasticity Wavefronts Dimensionless displacements Dimensionless temperatures Finite element equations Generalized thermoelastic Magneto-thermoelastic problems Magnetothermoelastic Rotation effect Virtual-displacement principle
收录类别	EI
语种	中文
出版者	Huazhong University of Science and Technology
EI入藏号	20112714112222
EI主题词	Finite element method
EI分类号	443 Meteorology - 701.2 Magnetism: Basic Concepts and Phenomena - 921 Mathematics - 921.6 Numerical Methods - 931.2 Physical Properties of Gases, Liquids and Solids
来源库	Compendex
分类代码	443 Meteorology - 701.2 Magnetism: Basic Concepts and Phenomena - 921 Mathematics - 921.6 Numerical Methods - 931.2 Physical Properties of Gases, Liquids and Solids
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/110999
专题	研究生院
作者单位	School of Science, Lanzhou University of Technology, Lanzhou, 730050, China
第一作者单位	兰州理工大学
第一作者的第一单位	兰州理工大学
推荐引用方式 GB/T 7714	He, Tianhu,Guan, Mingzhi. Direct finite element method to a generalized two-dimensional magneto-thermoelastic problem of a rotating half-space[J]. Guti Lixue Xuebao/Acta Mechanica Solida Sinica,2011,32(2):203-209.
APA	He, Tianhu,&Guan, Mingzhi.(2011).Direct finite element method to a generalized two-dimensional magneto-thermoelastic problem of a rotating half-space.Guti Lixue Xuebao/Acta Mechanica Solida Sinica,32(2),203-209.
MLA	He, Tianhu,et al."Direct finite element method to a generalized two-dimensional magneto-thermoelastic problem of a rotating half-space".Guti Lixue Xuebao/Acta Mechanica Solida Sinica 32.2(2011):203-209.