Amir Nankali - School of Railway Engineering, Iran University of Science and Technology
p Hosseini-Tehrani - School of Railway Engineering, Iran University of Science and Technology

Foam is used vastly in vehicles to absorb crash energy and prevent passenger s injuries in accidents .In this paper the effects of using foam in spaces between internal and external layers of high speed trains nose is investigated. Variety of possible arrangement of foam in high speed trains nose is studied and the best form of foam usage is proposed .To compare the result of different foam arrangements with a base model ,at first crashworthy of external layer has been investigated. Using foam at side and front of train nose is studied. Combination of arrangements was employed too

high-speed train, nose, crashworthiness,external and internal structures, foam