Adaptive mesh redistribution method for domains with complex boundaries

Authors:
Jonghoon Bin;Ali Uzun;M. Yousuff Hussaini
Affiliations:
Computational Science and Engineering, Florida State University, MCH 413, Tallahassee, FL 32306-4510, United States;Computational Science and Engineering, Florida State University, MCH 413, Tallahassee, FL 32306-4510, United States;Computational Science and Engineering, Florida State University, MCH 413, Tallahassee, FL 32306-4510, United States
Venue:
Journal of Computational Physics
Year:
2011

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Abstract

An adaptive structured mesh redistribution method (ASMRM) that permits smooth transition from non-uniformly distributed boundary points to solution-adaptive interior points and enables the resolution of complex flow in the complex boundary region as well as away from the boundary is proposed. It is a variant of the traditional variational technique. It involves a combination of static and dynamic monitor functions, the former for mesh distribution in the vicinity of a complex boundary and the latter for mesh adaption with the evolving solution elsewhere. Its effectiveness is demonstrated on some example problems, and it is then applied to a chevron nozzle. The proposed method is shown to be capable of generating a mesh with a good balance of orthogonality and smoothness in the entire domain.