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Abstract:
By applying the principles of classical mechanics and approximating aerodynamic and ground interaction forces, a general three dimensional debris fragment transport code DEBRIS has been written. Certain field experiments using airblast originating in large H.E. explosions have been simulated and the simulated and experimental outcomes compared. While simulation of long distance or high speed transport by tumbling or sliding over ground surfaces is not satisfactory, short distance transport such as might be found following structural collapse is sufficiently realistic that DEBRIS combined with a previously developed building response code BRACOB appears ultimately capable of describing outside wall debris patterns. It is recommended that velocity dependent loss mechanisms be incorporated in DEBRIS to improve its simulation of long distance transport and that certain existing uncertainties concerning wall debris creation and transport be lessened by means of a full size or near full size field experiment. (Author)
| Description: |
Final rept. May 79-Jul 80 |
| Pages: |
87 |
| Report Date: |
JUN 1980 |
| Contract Number: |
DCPA0179C0269 |
| Report Number: |
A071980 |
Report Unavailable |
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