Staggered-grid finite-difference acoustic modeling with the Time-Domain Atmospheric Acoustic Propagation Suite (TDAAPS).

Aldridge, David Franklin ; Collier, Sandra L. (U.S. Army Research Laboratory) ; Marlin, David H. (U.S. Army Research Laboratory) ; Ostashev, Vladimir E. (NOAA/Environmental Technology Laboratory) ; Symons, Neill Phillip ; Wilson, D. Keith (U.S. Army Cold Regions Research Engineering Lab.)

Sandia National Laboratories

关键词: Acoustic Propagation;    Sound Waves;    99 General And Miscellaneous//Mathematics, Computing, And Information Science;    Manuals;    Acoustic Models.;   

DOI  :  10.2172/966592
RP-ID  :  SAND2006-2540
RP-ID  :  AC04-94AL85000
RP-ID  :  966592

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来源: UNT Digital Library

【 摘 要 】

This document is intended to serve as a users guide for the time-domain atmospheric acoustic propagation suite (TDAAPS) program developed as part of the Department of Defense High-Performance Modernization Office (HPCMP) Common High-Performance Computing Scalable Software Initiative (CHSSI). TDAAPS performs staggered-grid finite-difference modeling of the acoustic velocity-pressure system with the incorporation of spatially inhomogeneous winds. Wherever practical the control structure of the codes are written in C++ using an object oriented design. Sections of code where a large number of calculations are required are written in C or F77 in order to enable better compiler optimization of these sections. The TDAAPS program conforms to a UNIX style calling interface. Most of the actions of the codes are controlled by adding flags to the invoking command line. This document presents a large number of examples and provides new users with the necessary background to perform acoustic modeling with TDAAPS.