Simultaneous Multi-Axis Mechanical Shock Simulations
Dr. Vesta Bateman, Sandia National
Laboratories Division: MS0553
Abstract:
Mechanical
shock testing that simulates a shock with significant velocity change typically
applies the shock environment in six directions by six separate shock tests. In
the real world shock environment that a test item experiences, the shock
environment arrives at the test item in all six directions at once. Traditional
six-axis drop table testing has always been an overtest
because in addition to the six shock tests, there is always excitation in the
other directions that occurs due to structural responses in the shock machine
and the fixturing that attaches the test item to the
shock machine. Recent shock development efforts are to create test
configurations that are a simultaneous multi-axis mechanical shock simulation,
and two examples will be presented.
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