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http://dx.doi.org/10.5139/JKSAS.2005.33.11.007

Thermomechanical Contact Analysis by Subdomain/Interface Finite Element Method  

Shin, Eui-Sup (전북대학교 기계항공시스템공학부)
Jin, Ji-Man (전북대학교 항공우주공학과 대학원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.33, no.11, 2005 , pp. 7-14 More about this Journal
Abstract
A subdomain-interface finite element method is suggested to solve a class of fully- coupled thermomechanical problems with contact boundaries. The penalty method is used for connecting subdomains that satisfy interface compatibility conditions. As a result, effective stiffness matrices are always positive definite, and computational efficiency can be improved to a considerable degree. Moreover, any complex-shaped domain can be divided into independently modeled subdomains without considering the conformity of meshes on interfaces. Using a computer code based on the present method, these advantageous features are shown through a set of numerical studies.
Keywords
Thermomechanical Coupling; Subdomain; Interface; Finite Element; Penalty Method;
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