ENHANCEMENTS TO AVAST

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Authors
  1. Brennan, D.P.
  2. Chernuka, M.W.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN);MARTEC Ltd, Halifax NS (CAN)
Abstract
The development and incorporation of the latest enhancements to the AVAST code are described. The purpose of this work was to make the modelling of the physical environment more realistic, while ensuring that the code runs as efficiently as possible. To this end, several new features have been added. These include the implementation of a four-noded acoustic panel element and the development of an eigenvalue extraction technique suitable for equations generated by the boundary integral equation method. In addition, the option to use structural response data generated by the COUPLE program hs been incorporated.
Keywords
AVAST;Boundary integral equation;Elasto-acoustic;Fluid-structure interaction;Transients;Eigenvalue
Report Number
DREA-CR-96-421;MARTEC-TR-96-05 — Contractor Report
Date of publication
01 Mar 1996
Number of Pages
56
DSTKIM No
98-01268
CANDIS No
508057
Format(s):
Hardcopy;Document Image stored on Optical Disk

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