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Half sine Shock Tests to Assure Machinery Survival in Explosive Environments By Howard A. Gaberson, , Chairman MFPT Diagnostics and Signal Analysis Committee 234 Corsicana Drive Oxnard, CA 93036 ABSTRACT Previous work has shown that traditional four coordinate pseudo velocity Shock spectrum is the best format for violent machine transient foundation motion analysis. It emphasizes the motion severity. This paper applies these results to the theoretical half sine and other simple test pulses. It shows the simple pulses strongly related to actual explosive transients. The trick turned out to be inclusion of pre and post pulse motion in the calculation. The calculations applied to shaker Shock pulse motions are also discussed. INTRODUCTION Previous work has shown that traditional four coordinate pseudo velocity Shock spectrum is the best format for violent transient foundation motion analysis if one is trying to indicate severity [1, 2, 3].
Half Sine Shock Tests to Assure Machinery Survival in Explosive Environments By Howard A. Gaberson, Ph.D., Chairman MFPT Diagnostics and Signal Analysis Committee
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