Evaluation of the Hull and SHARC Hydrocodes in Simulating the Reflection of Mach 2.12 Non-Decaying Shock on Wedges of Various Angles
Hydrodynamic computer code simulations of the interaction of a non- decaying Mach 2.12 shock wave with wedges of various angles are presented. Techniques for simulating this interaction with the HULL and SHARC hydrocodes are evaluated by running the codes in various geometric configurations commonly...
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| creator | Lottero, Richard E Wortman, John D |
| description | Hydrodynamic computer code simulations of the interaction of a non- decaying Mach 2.12 shock wave with wedges of various angles are presented. Techniques for simulating this interaction with the HULL and SHARC hydrocodes are evaluated by running the codes in various geometric configurations commonly used to simulate Mach reflection. Fluid dynamics aspects of each geometry are evaluated and discussed. The codes are also run with systematic variations in differencing method and artificial viscosity options. Most of these variations are done in the SHARC also includes the option of using half hydrodynamic and half rigid flow field cells to simulate a smooth wedge surface in a rectangular finite difference grid. These computations are based on experimental and computational work performed at the Ernst Mach Institute, Freiburg, Federal Republic of Germany. |
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Techniques for simulating this interaction with the HULL and SHARC hydrocodes are evaluated by running the codes in various geometric configurations commonly used to simulate Mach reflection. Fluid dynamics aspects of each geometry are evaluated and discussed. The codes are also run with systematic variations in differencing method and artificial viscosity options. Most of these variations are done in the SHARC also includes the option of using half hydrodynamic and half rigid flow field cells to simulate a smooth wedge surface in a rectangular finite difference grid. 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Techniques for simulating this interaction with the HULL and SHARC hydrocodes are evaluated by running the codes in various geometric configurations commonly used to simulate Mach reflection. Fluid dynamics aspects of each geometry are evaluated and discussed. The codes are also run with systematic variations in differencing method and artificial viscosity options. Most of these variations are done in the SHARC also includes the option of using half hydrodynamic and half rigid flow field cells to simulate a smooth wedge surface in a rectangular finite difference grid. These computations are based on experimental and computational work performed at the Ernst Mach Institute, Freiburg, Federal Republic of Germany.</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | ASH25 COMPUTATIONS COMPUTER PROGRAMS COMPUTERIZED SIMULATION FINITE DIFFERENCE THEORY FLUID DYNAMICS Fluid Mechanics GEOMETRIC FORMS GRIDS HYDRODYNAMIC CODES PE62120A RECTANGULAR BODIES SHOCK WAVES SIMULATION SURFACES VISCOSITY WEDGES WEST GERMANY |
| title | Evaluation of the Hull and SHARC Hydrocodes in Simulating the Reflection of Mach 2.12 Non-Decaying Shock on Wedges of Various Angles |
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