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MIL-810 drop test, values in Simulation for plywood impact surface

Question asked by Bert Bourgeois on Jul 20, 2015

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First time poster.....

 

1. I want to use drop test to simulate a 'transit drop test' according to the MIL-810 std.

 

The std state dropping from 1220mm onto 2inches of plywood (plywood which sits on a concrete floor)

 

But I am having trouble sourcing what the help refers to as 'normal stiffness' and 'tangential stiffness' for plywood.

 

Are those K values? or known as something else?

 

2. should I use a value for the Contact Damping at all?

 

Thanks a lot in advance.

 

B.

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