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  • Users: zerodof
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  1. zerodof

    biw interior acoustic

    Has anybody got any current industry experience of coupled acoustic modelling. I am interested in modal frequency response analysis. What sort of mesh density can give optimistic results on bothe structural and cavity. thanks
  2. zerodof

    Latch modelling

    Hi, I am looking at the modes of the automotive closures in installed conditions using FE model. The latch stiffness is critical. Has anybody got any stiffness numbers(spring rates) for a fore aft,vertical and lateral stiffness taht can be used in the analysis. Has anybody got any idea of...
  3. zerodof

    nastran nvh

    I have already published this question in other forum. What is the best method to calculate point dynamic stiffness (mm/sec/Newton) in nastran for automotive application.
  4. zerodof

    nvh

    Can anybody give me an idea on how to calculate point mobility using Nastran/FEA for automotive applications.
  5. zerodof

    rigid body modes

    I am looking at the Engine/transmission rigid modes of the transversly mounted engine of passenger vehicle from the point of view of locating there positions. In the mode development exercise, what mode should be priortised to be the lowest mode ie bounce or pitch and what should be the...
  6. zerodof

    point mobility

    What is the physical meaning of point mobility and how do we set the targets at engine and suspension attachment points for c class BIW. Has anybody got any figures?? Is it important to calculate the noise transfer funtion at the concept phase of BIW and if it is how do we calculate/predict...
  7. zerodof

    rear twist axle

    Can anybody tell what are the key structural compliances/attributes required in the concept design of twist axle. What modelling tools are typically used to model the compliance/kinematics/stress as I usume Multi body simulation ( linear code) is not the appropriate because of large...

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