Abstract
This paper studies the interaction of elastic wave with shock wave in a multi-material system. Individual interactions of wave with material interface and wave with another wave have been analyzed considering material in the state of uniaxial strain. The nonlinear material behavior for uniaxial strain case has been simplified by considering piecewise linear stress strain relationship in order to avoid rarefaction fan and to make it more feasible to track each wave and their interactions. The model is heterogeneous to both shock and elastic wave. The governing equations reduced in the form of jump equations along with maximal dissipation condition are used to find the solution after each interaction, giving the exact solution of the impact-induced shock wave problem. The study shows that elastic waves generally neglected during shock propagation, results in some changes through its interaction with material interface and shock wave.
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Acknowledgments
This work was supported by a start-up research grant (SRG/2020/000480) of the Science and Engineering Research Board of India. The content is solely the responsibility of the authors and does not necessarily represent the official views of the funding organization.
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Singh, S.P., Singh, H., Mahajan, P. (2022). Multi-material System Response to an Impact-Induced Shock. In: Krishnapillai, S., R., V., Ha, S.K. (eds) Composite Materials for Extreme Loading . Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-4138-1_27
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DOI: https://doi.org/10.1007/978-981-16-4138-1_27
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