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  1. Saumya Kar

    Automotive Random Vibration and PSD spectrum profiles

    Thank you. This explanation helps.
  2. Saumya Kar

    Automotive Random Vibration and PSD spectrum profiles

    Just wanted to make the post active again. If anyone can help with questions, it will be great help :) Appreciate any leads. Best Regards Saumya
  3. Saumya Kar

    Automotive Random Vibration and PSD spectrum profiles

    I am starting work on structural durability area for after treatment systems and deal with Random Vibration and PSD profiles quite often. However there are few fundamental questions about PSD profiles that I could not get answer to after a lot of search on internet. So finally decided to write...
  4. Saumya Kar

    Difference between acoustic pressure and fluid pressure

    Thanks David, The explanations helped a lot. An extension to the original question is, is there a similar relation between 'particle velocity' and 'fluid velocity' ? Best Regards Saumya
  5. Saumya Kar

    Difference between acoustic pressure and fluid pressure

    While the sound waves travel in a medium, lets say a fluid, what is the difference between fluid pressure and acoustic pressure ? Are these entities same?
  6. Saumya Kar

    Von Mises stress Vs Principle stress

    Thanks a lot Tim, This really helped. For damage factor, I was referring to fatigue life analysis where for the design to be safe, damage factor needs to be below 1. I am not sure if it is referred with any other name. Regards Saumya
  7. Saumya Kar

    Von Mises stress Vs Principle stress

    Hello Folks, May be I am bring up the old topic again., but I've lost enough sleep over this topic. I understand that we use Von-Mises criteria for ductile material failure by comparing to yield limit and max principal stress is used to check failure for brittle materials. My question is bit...
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