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Recent content by hashanw007

  1. hashanw007

    Ductile Iron pipes to Lugs (made of Ductile iron) standard cooling rate after welding

    HI, I need to know the standard practiced cooling rate for welded joints (Ductile Iron pipes and Lugs) I could find some information that says air cooling is better,However my senior engineer wants to be able to prove it. ie, it has to come from a reliable source. I tried hard but couldn't...
  2. hashanw007

    Shock Absorber

    some experiment we did on shock performance... needed to know few details of its behavior
  3. hashanw007

    Shock Absorber

    Hi all.. have some questions regarding MONO TUBE shock absorbers 1. these dampers have different damping rates in compression and rebound (& at low and high speeds).. But what is the need for these different rates? 2. how these different damping rates (compression and rebound, low and high...
  4. hashanw007

    Relationship between axle torque and wheel torque

    is the Axle Torque = Engine Torque multiplied by the inverse of primary reduction ratio, gear ratio and the final drive ratio?
  5. hashanw007

    Tire Performance

    look at the attachment & then you will understand my question. i need to know what happens after it reaches its peak point..........(while slip ratio increases more)http://files.engineering.com/getfile.aspx?folder=aaed3441-f617-4d10-87a5-88303c02190b&file=LongitudinalVsslip_ratio.bmp
  6. hashanw007

    Tire Performance

    ya. But, increased in vertical load increases the inertia. then wouldnt the vehicle find it harder to stop?
  7. hashanw007

    Tire Performance

    Hi i got a question. A graph of slip ratio Vs Longitudinal Force (considering zero camber & neglecting SH & Sv functions)is a graph passing through the origin. after it reaches its peak value of longitudinal force, what happens next? i mean how does it perform with increasing slip ratio, after...
  8. hashanw007

    Nodal Displacement variations

    forces acting in the negative Y direction only and there's a roller as well.. for all elements it is the same force same dimensions... everything is the same... i have attached the graphhttp://files.engineering.com/getfile.aspx?folder=ae1f798b-b637-4087-a3ef-040f9aeadfbd&file=graph.bmp
  9. hashanw007

    FEM/FEA

    Thanks all..
  10. hashanw007

    Nodal Displacement variations

    Hi, i simulated a similar structure (actually more like a plate) with different element types 1 3D solid element 2. plane stress element 3. plane strain elements 4. shell elements forces were applied in such a way that its sigma y is applied at the center of the structure...
  11. hashanw007

    FEM/FEA

    Hi, Can any please explain the method of processing the stresses in FEM? we get stresses for each elements.not at the integration points... But it is actually acted at the Integration points of each element.(As far as i know) is it? If so how does the FEM give a stress value for the whole...

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