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  • Users: sasank
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  1. sasank

    static stiffness testing of frame

    Hallo! can anybody tell me how an automotive frame (SUV or pickup) tested for static stiffness? Can we simulate this in FEA? If so, what boundary conditions we have to use to get the FEA results close to real time testing. Regards sasank
  2. sasank

    Frequency response analysis using NASTRAN

    Hallo! I am running point mobility to find out the '0' Hz equivalnet static stiffness of bracketry of a typical SUV frame.Calculating the deflections and from deflections calculating the stiffness. Aim is to find out the equivalent static stiffness in a free-free conditions. But, I do nothave...
  3. sasank

    Hi, can anybody expalin me what

    Hi, can anybody expalin me what is a flex mode in modal analysis? What is the significance of low frequency modes of an automotive frame/cradle? Thanks sasank
  4. sasank

    Hallo! Can any body explain me w

    Hallo! Can any body explain me waht the following load cases stands for 1) 30 mph Chuckhole Vertical(Aft/Right) 2) Curb Island LF Vertical 3)Forward Wide Open Throttle 4)Forward Panic Bracking and 5) 73 degree SEPH LF Impact
  5. sasank

    Hallo! Can anybody explain me wh

    Hallo! Can anybody explain me what is Point Mobility ? and What is a Transfer function? What is the relation between these two ? The resons I am asking these questions are I have to run point mobility analysis for an engine mount bracket which is coming on to a cradle. Regards Sasank
  6. sasank

    mesh convergence

    Hallo! Can any body explain me how to check the mesh convergence. i.e, How we can decide whether the FE mesh of 100 or 200 elements will yield correct results? Is there any criteria to decide the number of elements in a FE Mesh
  7. sasank

    CONTACT ANALYSIS

    Hi, Can any body explain me or suggest me a web site on How to do the Conatct analysis? Any material available for an easy understanding about contacts. I wnated to do crash simulation of automotive frames. Sasank
  8. sasank

    Hallo! Can any body suggest me ,

    Hallo! Can any body suggest me , where I get some useful information about the Frequency Response Analysis of automotive frames and cradles. The information I need is How & why to do frequency response analysis? What output is required from this analysis? and How we can utilize this information...
  9. sasank

    Hi, I have to do frequency respons

    Hi, I have to do frequency response analysis for automotive frames and cradles. Before starting the analysis I have some questions. Can any body please answer my questions? My questions. 1) What is frequency response analysis ? 2) what is Low frequency and High frequency responses. 3) When and...

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