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Modeling and analysis of impact energy absorber by using ls dyna

1Assistant Professor, Department of Mechanical Engineering, G.H. Raisoni College of Engineering and Management, Wagholi, Pune - 412207, MS. India.
2Professor and CEO, Department of Mechanical Engineering, JSPM’S Bhivarabai Sawant Institute of Technology and Reaerch, Wagholi, Pune - 412207, MS. India.

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 23 February 2015

Abstract

Today’s car is one of the most important things in everyone’s life .Every person wants to have his or her own car but the question that arises in each buyer’s mind is whether the vehicle is safe enough to spend so much of money so it is the responsibility of an mechanical engineer to make the vehical comfortable and at the Same time safer. Now a days automakers are coming with various energy absorbing devices such as crush box, door beams etc. this energy absorbing device s prove to be very useful in reducing the amount force that is being transmitted to the occupant. In this we are using impact energy absorber in efficient manner as compare to earlier. The various steps involved in this project starting from developing the cad model of this inner impact energy absorber using the CAD software CATIA V5 R19. Then pre-processing is carried out in HYPERMESH 11.0 which includes assigning material, properties, boundary conditions such as contacts, constraints etc. LS-DYNA971 is used as a solver and LS-POST is used for the post processing and results obtained are compared to the standards. By carrying out this idea it has been observed that there is a considerable amount of energy that is being absorbed by this energy-absorbing device. Along with this energy absorption, the intrusion in passenger compartment is also reduced by considerable amount. So for safer and comfortable car with inner impact energy absorber is one of the best options available. This will get implement by this research work.

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Citation

Yadao, A. and Hingole, R.S. (2015), "Modeling and analysis of impact energy absorber by using ls dyna", World Journal of Engineering, Vol. 12 No. 1, pp. 23-28. https://doi.org/10.1260/1708-5284.12.1.23

Publisher

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Emerald Group Publishing Limited