Abstract
A complex computer model of thermomechanical phenomena and a technique for end-to-end modeling of processes occurring in a solid material under the action of an intense energy flux are developed. Using the example of calculating the impact on a polymer material, the dynamics of nonlinear wave processes leading to internal damage in a sample of the material and spalling phenomena are discussed. The created software can be used in the analysis of the results of intense energy impacts in engineering practice, verification of models of volumetric fractures, and spallation in brittle materials, as well as validation of wide-range equations of state.
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ACKNOWLEDGMENTS
The authors thank their colleagues, S.V. Polyakov, N.A. Tarasov, A.S. Grushin, R.V. Uskov (KIAM RAS), I.B. Petrov, A.V. Vasyukov, S.I. Tkachenko (National Research University, Moscow Institute of Physics and Technology), Yu. G. Kalinin, and E.D. Kazakov (National Centre Kurchatov Institute) for their useful discussions on the formulation of problems and the results of computational experiments.
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The calculations were performed on the hybrid supercomputers K60 and K100 installed in the Suреrсоmрutеr Сеntrе of Collective Usage of KIAM RAS.
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Boykov, D.S., Olkhovskaya, O.G. & Gasilov, V.A. Coupled Simulation of Gasdynamic and Elastoplastic Phenomena in a Material under the Action of an Intensive Energy Flux. Math Models Comput Simul 14, 599–612 (2022). https://doi.org/10.1134/S2070048222040044
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DOI: https://doi.org/10.1134/S2070048222040044