Numerical simulation of energy absorbing bumpers two cylindrical tube filled with polyurethane foam

Subject Areas : Impact

mohammadreza RezaeiAbadeh ¹ ( دانشجوی ارشد دانشگاه آزاد سمنان )
Mohammad Javad Rezvani ² ( مدیر پژوهش، عضو هیات علمی )

Received: 2017-01-01 Accepted : 2017-01-09 Published : 2016-11-21

Keywords: Specific energy absorption, Crush force efficiency, energy absorbing bumpers, Total energy absorbed, average energy absorbed, absorbing bumpers two cylindrical tube,

Abstract :

The purpose of this article, in order to determine the impact of this type of attraction is thin-walled tubes as energy absorbing system. The twin-tube models after applying a force inside each sink. So, in order to achieve this goal and pipes of different diameters of pipe rings and simple tube, The thickness of the ring pipes and tubes, all with the impact of foam on bumpers are considered on cylindrical tube. Therefore, using numerical simulations by Abaqus software to evaluate the impact parameters, including Specific Energy Absorption (SEA) and Crush Force Efficiency (CFE) as discussed testing purposes. The energy absorbing system can be used in the aerospace industry, shipbuilding, automotive, railway industry and elevators used to absorb impact energy. Finally, appropriate geometric parameters and the best examples of criteria considered with respect to the objectives, are introduced