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FORMULAS FOR CALCULATING THE SPEED OF SOUND …
www.vibrationdata.comRevision G By Tom Irvine Email: tomirvine@aol.com July 13, 2000 Introduction A sound wave is a longitudinal wave, which alternately pushes and pulls the material through which it propagates. The amplitude disturbance is thus parallel to the direction of propagation. Sound waves can propagate through the air, water, Earth, wood, metal rods ...
AN INTRODUCTION TO THE SHOCK RESPONSE SPECTRUM
www.vibrationdata.comRevision S By Tom Irvine Email: tomirvine@aol.com July 9, 2012 _____ INTRODUCTION Spacecraft and launch vehicle components encounter mechanical shock from a variety of sources. Components must be designed and tested accordingly to ensure reliability.