Algorithm for Mesh Adaptation to a Flow Field with a Bow Shock Wave

The generation of high-quality computational mesh plays an important role in high-accuracy computation of supersonic flows over bodies. Priority is given to mesh adaptation to discontinuities, primarily, to bow shocks. In this paper, a mesh is treated as a mechanical system with elastic connections...

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Bibliographic Details
Published in:Computational mathematics and mathematical physics Vol. 64; no. 9; pp. 2111 - 2120
Main Authors: Voronich, I. V., Smirnova, N. S., Titarev, V. A.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 01.09.2024
Springer Nature B.V
Subjects:
Adaptation
Algorithms
Boundary conditions
Computational grids
Computational Mathematics and Numerical Analysis
Fluid-structure interaction
Grid refinement (mathematics)
Mathematical Physics
Mathematics
Mathematics and Statistics
Mechanical systems
Shock waves
Supersonic flow
supersonic flows
mesh adaptation
computational aerodynamics
parallel computations
ISSN:0965-5425, 1555-6662
Online Access:Get full text
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Summary:The generation of high-quality computational mesh plays an important role in high-accuracy computation of supersonic flows over bodies. Priority is given to mesh adaptation to discontinuities, primarily, to bow shocks. In this paper, a mesh is treated as a mechanical system with elastic connections and an algorithm for mesh adaptation to a flow field with a bow shock is considered. The application of the algorithm to a typical structured mesh leads to mesh refinement in high field gradient regions achieved by drawing mesh lines into the shock vicinity, while maintaining the quality of the mesh elements. The problems considered demonstrate the possibility of applying the described algorithm to realistic flow problems of practical interest.
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ISSN:0965-5425
1555-6662
DOI:10.1134/S096554252470101X