Numerical simulation of temperature field in heterogeneous material with the XFEM

• Autorzy: Yu T. T. , Gong Z. W.
• Języki publikacji: EN

Abstrakty

EN

The purpose of this paper is to focus on modeling temperature field in heterogeneous materials. The heat conductivity is adopted as the basic parameter for calculation. The extended finite element method (XFEM) is applied for simulation of temperature field. For one element that contains no material interface, the temperature function will be degenerated into that of the conventional finite element. For the element containing material interfaces, the standard temperature based approximation is enriched by incorporating level-set-based enrichment functions which model the interfaces. For unsteady temperature field, the improved precise integration method is adopted for the solution of the ordinary differential equations. The mesh generation can be considerably simplified and high-quality meshes are obtained; meanwhile the solution of good precision and stability can be achieved.

Słowa kluczowe

EN

temperature field; heterogeneous materials; XFEM; improved precise integration; method

PL

pole temperatury; materiały niejednorodne; metoda

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2013
• Tom: Vol. 13, no. 2
• Strony: 199--208
• Opis fizyczny: Bibliogr. 24 poz., rys., tab., wykr.

Twórcy

autor

Yu T. T.

• Department of Engineering Mechanics, Hohai University, Nanjing 210098, China

autor

Gong Z. W.

• Department of Engineering Mechanics, Hohai University, Nanjing 210098, China

Bibliografia

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