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Impact Analysis on ABAQUS Explicit

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Ryaero

Aerospace
Joined
Jul 18, 2012
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1
Location
US
Hi,

I am currently performing a high speed metal to metal impact on a landing gear component using ABAQUS. At the present moment I am having problems stabilizing the crater stresses. Running the simulation long enough is not an option as I have already tried it before and got the same problem, plus it is computationally very expensive.

Does anyone know any stabilization techniques? I am currently considering adding Rayleigh damping but again unable to find the alpha and beta coefficients corresponding to the material used(Steel 300M).

Help will be greatly appreciated.
 
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