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In this paper is presented a crash simulation analysis of the battery pack in order to increase the stiffness when the electric vehicle is involved in traffic accidents. In the first part is presented the state of the art, highlighting the advantages of using electric vehicles. The second part of the study presents the steps required to create the crash analysis of the battery pack. The CAD design of the assembly model is generated using advanced modelling techniques for two simulations battery pack models: the first model has a basic shape geometry and the second model has a shock absorber mounted on the external faces to reduce the crash impact. The crash analysis of the battery pack is determined for three velocity cases: 7 m/s, 14 m/s and 21 m/s. The final part of the paper presents the simulation results and different advantages of the battery pack geometry with the shock absorber. [ABSTRACT FROM AUTHOR]