NUMERICAL SIMULATION OF THE FLOW IN A 1:57-SCALE AXISYMMETRIC MODEL OF A LARGE BLAST SIMULATOR

by Klaus O. Opalka

Other authorsUS ARMY RESEARCH LABORATORY (Sponsoring Agency)
Technical Report, April 1993

Barcode

CSP Unique ID 190676187

Status

Electronic Resource

Call number

**Click on MARC view for more information on this report.**

Publication

ARL-TR-111

Language

Library's review

ABSTRACT:
This report presents an assessment of the suitability of ft 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
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configurations employing inviscid and viscous solution algorithms and dm turbulence models were executed and the results are compared to experimental dam 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.
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