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Recent content by Masse69

  1. Masse69

    Interpreting results in dynamic random analysis...?

    Fellow engineers, I'm sort of a novice in vibration analysis and I now have a request to do a "Dynamic random analysis". The load case conforms to a standardized test, so the loading is well defined with specified PSD-spectra in the x-, y- and z- directions. I have no problem setting up and...
  2. Masse69

    mesh convergence with stress concentration

    ygsygs, I too struggle from time to time with stress peaks above yield in linear models. It's probably self evident, but one should keep in mind that even if the FEA results can't be trusted at/near singularities (point load/constraints, reentrant corners), the stresses are high at those...
  3. Masse69

    Linearized stress results - design values?

    Thanks for valuable input. I'm new to this forum, it has worked great for me so far... B.R. Mats Lindqvist
  4. Masse69

    Linearized stress results - design values?

    Thanks for swift response, rb1957. In fact, there are no legal/formal requirements in this case. My client designs monitors for vehicles and public places. To my surprise there are no legal requirements other than that the design should be "safe and reliable". So me and my client have agreed on...
  5. Masse69

    Linearized stress results - design values?

    Does anyone have any experience from standards like ASME or similar, etc where linearized stress results are used for dimensioning? I have no problem understanding the linearized stress query, but how is this result used for dimensioning, and how is it justified? I recall that it is common...

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