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Factors to be considered while designing a bumper with springs at its point of attach

  1. Mar 14, 2010 #1
    i found this question interesting and technically challenging.... i want to know the different approaches for solving this given problem....

    what are the factors to be considered while designing a bumper, with springs at its point of attachment with the car, so that the spring will compress and reduce the damage to the body of the car during a frontal collision... i want to know about the Engineering Mechanics approach of this above condition...

    what are the forces that act on the spring and the car?

    my friend said " there will be recoiling of the spring immediately after the collision " how to calculate and reduce the recoil of spring?

    what will be the effect if the spring is replaced with hydraulics to absorb the impact ( similar to shock absorber ) ? and what are the forces that has to be considered while designing that hydraulic system?
     
  2. jcsd
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