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  1. DonkeyDude

    Shock Pulse -Equivalent Static load for FEA

    Hi, Shock testing (such as MIL-STD-810)normally involves applying an acceleration over a short time interval (example: 40g over 10 ms or something like that). If you have access to basic FEA software, this can be applied as an equivalent static G load but it doesn't consider the dynamics...
  2. DonkeyDude

    Shock test per MIL-STD-810 - equivalent static load for FEA

    Hi all, An earlier posting in 2007( thread384-192610 )by someone on this very same topic had some good responses out of which I could relate to Spongebob007 's reply the best. I can extract Natural Frequencies using FEA software. For simple shock tests (such as 40g over 10 ms)could I not make...
  3. DonkeyDude

    Flexural Modulus vs Elastic Modulus - which to use ?

    Many plastics do not have their Elastic Modulus listed but their Flexural Modulus is. (obtained from a bending test as opposed to a tensile test). Does anyone have any experience in using Flexural Modulus value in place of Elastic Modulus for Material properties. My question really is how well...

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