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SOLUTION OF TWO-DIMENSIONAL HYPERBOLIC HEAT CONDUCTION BY HIGH-RESOLUTION NUMERICAL METHODS

 

作者: H. Q. Yang,  

 

期刊: Numerical Heat Transfer, Part A: Applications  (Taylor Available online 1992)
卷期: Volume 21, issue 3  

页码: 333-349

 

ISSN:1040-7782

 

年代: 1992

 

DOI:10.1080/10407789208944880

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Studies of hyperbolic heat conduction have so far been limited mostly to one-dimensional frameworks. For two-dimensional problems, the reflection and interaction of oblique thermal waves and complicated geometries present a challenge. This paper describes a numerical solution of two-dimensional hyperbolic heat conduction by high-resolution schemes. First, the governing equations are transformed from Cartesian coordinates into generalized curvilinear coordinates. Then the dependent variables are cast in a characteristic form that decouples the original system equation into scalar equations. Two-dimensional high-resolution numerical schemes, suck as total variational diminishing ( TVD) are built up by forming symmetrical products of one-dimensional difference operators on each individual wave. Three examples are used to demonstrate the unique feature of complicated interaction of two-dimensional thermal waves.

 

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