shock diffraction
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scholarly journals Loss of Regularity of Solutions of the Lighthill Problem for Shock Diffraction for Potential Flow

2020 ◽  
Vol 52 (2) ◽  
pp. 1096-1114 ◽  
Author(s):  
Gui-Qiang Chen ◽  
Mikhail Feldman ◽  
Jingchen Hu ◽  
Wei Xiang
Keyword(s):  
Potential Flow ◽  
Regularity Of Solutions ◽  
Shock Diffraction ◽  
Loss Of Regularity

Numerical Simulation of Shock Diffraction on Cartesian Grid

2011 ◽  
Vol 378-379 ◽  
pp. 11-14
Author(s):  
Hong Chen ◽  
Wei Bing Zhu ◽  
Run Peng Sun ◽  
Bin Zhang
Keyword(s):  
Strong Shock ◽  
Cartesian Grid ◽  
Test Cases ◽  
Riemann Solver ◽  
Two Dimensional ◽  
Shock Diffraction ◽  
Approximate Riemann Solver ◽  
Dimensional Splitting ◽  
Simulated Images ◽  
Strong Shock Waves

Shock diffraction over geometric obstacles is performed on two-dimensional cartesian grid using the TVD WAF method in conjunction with the HLLC approximate Riemann solver and dimensional splitting. Present cartesian grid results for popular and challenging two-dimensional shock diffraction problems are presented and compared to experimental photographs. Benchmark and example test cases were chosen to cover a wide variety of Mach numbers for weak and strong shock waves, and for square and circular geometries. The results show that the comparisons between experimental and simulated images are consistent.

Numerical simulation of shock diffraction on unstructured meshes

2006 ◽  
Vol 35 (10) ◽  
pp. 1420-1431 ◽  
Author(s):  
R.C. Ripley ◽  
F.-S. Lien ◽  
M.M. Yovanovich
Keyword(s):  
Numerical Simulation ◽  
Unstructured Meshes ◽  
Shock Diffraction
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