Evaluation of the accuracy of modern codes by comparing the calculated and experimental data on the example of a problem on a supersonic viscous turbulent gas flow around a tandem of back-forcing and forward-forcing stepsстатья
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Аннотация:Various program codes for the investigation of a viscous turbulent compressible gas flow around complicated configurations are described. A series of test calculations for a tandem of 3D back-forcing and forward-forcing steps are performed. The purpose of the calculations is to analyze the resolution accuracy of the separation zones using classical and modern methods. To achieve the goal, the physical features of the flow are described and the results obtained using different codes in the back-forcing and forward-forcing steps tandem test case are compared.