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Volume 11, Issue 1
An Adaptive Moving Mesh Method for Two-Dimensional Relativistic Hydrodynamics

Peng He & Huazhong Tang

DOI: 10.4208/cicp.291010.180311a

Commun. Comput. Phys., 11 (2012), pp. 114-146.

Published online: 2012-11

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  • Abstract

This paper extends the adaptive moving mesh method developed by Tang and Tang [36] to two-dimensional (2D) relativistic hydrodynamic (RHD) equations. The algorithm consists of two "independent" parts: the time evolution of the RHD equations and the (static) mesh iteration redistribution. In the first part, the RHD equations are discretized by using a high resolution finite volume scheme on the fixed but nonuniform meshes without the full characteristic decomposition of the governing equations. The second part is an iterative procedure. In each iteration, the mesh points are first redistributed, and then the cell averages of the conservative variables are remapped onto the new mesh in a conservative way. Several numerical examples are given to demonstrate the accuracy and effectiveness of the proposed method.

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@Article{CiCP-11-114, author = {Peng He and Huazhong Tang}, title = {An Adaptive Moving Mesh Method for Two-Dimensional Relativistic Hydrodynamics}, journal = {Communications in Computational Physics}, year = {2012}, volume = {11}, number = {1}, pages = {114--146}, abstract = {

This paper extends the adaptive moving mesh method developed by Tang and Tang [36] to two-dimensional (2D) relativistic hydrodynamic (RHD) equations. The algorithm consists of two "independent" parts: the time evolution of the RHD equations and the (static) mesh iteration redistribution. In the first part, the RHD equations are discretized by using a high resolution finite volume scheme on the fixed but nonuniform meshes without the full characteristic decomposition of the governing equations. The second part is an iterative procedure. In each iteration, the mesh points are first redistributed, and then the cell averages of the conservative variables are remapped onto the new mesh in a conservative way. Several numerical examples are given to demonstrate the accuracy and effectiveness of the proposed method.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.291010.180311a}, url = {http://global-sci.org/intro/article_detail/cicp/7356.html} }
TY - JOUR T1 - An Adaptive Moving Mesh Method for Two-Dimensional Relativistic Hydrodynamics AU - Peng He & Huazhong Tang JO - Communications in Computational Physics VL - 1 SP - 114 EP - 146 PY - 2012 DA - 2012/11 SN - 11 DO - http://doi.org/10.4208/cicp.291010.180311a UR - https://global-sci.org/intro/article_detail/cicp/7356.html KW - AB -

This paper extends the adaptive moving mesh method developed by Tang and Tang [36] to two-dimensional (2D) relativistic hydrodynamic (RHD) equations. The algorithm consists of two "independent" parts: the time evolution of the RHD equations and the (static) mesh iteration redistribution. In the first part, the RHD equations are discretized by using a high resolution finite volume scheme on the fixed but nonuniform meshes without the full characteristic decomposition of the governing equations. The second part is an iterative procedure. In each iteration, the mesh points are first redistributed, and then the cell averages of the conservative variables are remapped onto the new mesh in a conservative way. Several numerical examples are given to demonstrate the accuracy and effectiveness of the proposed method.

Peng He and Huazhong Tang. (2012). An Adaptive Moving Mesh Method for Two-Dimensional Relativistic Hydrodynamics. Communications in Computational Physics. 11 (1). 114-146. doi:10.4208/cicp.291010.180311a
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