Accession Number : ADA264396


Title :   Numerical Simulation of the Flow in a 1:57-Scale Axisymmetric Model of a Large Blast Simulator


Descriptive Note : Final rept. 15 Jan-31 Dec 1992


Corporate Author : ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD


Personal Author(s) : Opalka, Klaus O


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a264396.pdf


Report Date : Apr 1993


Pagination or Media Count : 41


Abstract : This report presents an assessment of the suitability of the USA-RG2 hydrocode for simulating the flow in a variable-area shock tunnel. A multi-zone gridding technique is used to model the 1:57-Scale LBS test facility at the U.S. Army Research Laboratory. Computations for various grid configurations employing inviscid and viscous solution algorithm and the turbulence models were executed and the results are compared to experimental data. The need for an adequate mesh density in the grid to obtain a realistic flow simulation and the advantage of solving the full Navier-Stokes equations with added k-e turbulence model for the experiment chosen as a bench mark are demonstrated. Gas dynamics, Unsteady flow, Computer applications, Fluid dynamics, Blast waves, Inviscid flow, Computational fluid dynamics, Blast-wave simulation, Axisymmetric flow, Computer aided design, Shock tubes, Viscous flow, Turbulence.


Descriptors :   *COMPUTERIZED SIMULATION , *COMPUTATIONAL FLUID DYNAMICS , *GAS DYNAMICS , *UNSTEADY FLOW , TEST AND EVALUATION , DENSITY , COMPUTATIONS , COMPUTER AIDED DESIGN , FACILITIES , TUNNELS , NAVIER STOKES EQUATIONS , FLUID DYNAMICS , EQUATIONS , COMPUTER APPLICATIONS , CONFIGURATIONS , SCALE , VARIABLES , MESH , REGIONS , SHOCK TUNNELS , AXISYMMETRIC FLOW , SHOCK TUBES , TUBES , TEST FACILITIES , VISCOUS FLOW , INVISCID FLOW , BLAST WAVES , TURBULENCE , GRIDS , COMPUTERS , ARMY RESEARCH , EXPERIMENTAL DATA , ALGORITHMS


Subject Categories : Computer Programming and Software
      Fluid Mechanics


Distribution Statement : APPROVED FOR PUBLIC RELEASE