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- W2891140182 abstract "A mathematical model describing the main stages of dynamic deformation and failure of heteroresistant media, such as concretes, rocks and semi-rocks, under intensive impact loading is presented. The relations are based on the laws of flow of elastoplastic media in which plastic potential equations (yielding surface), failure surface and flow surface of a fragmented (fractured) material depend on the average stress, stress tensor intensity, phase angle of the stress deviator (type of the stressedstrained state), strain rate, and the damage parameter. The model is verified by comparing the calculated values of overloading and of the final penetration depths for rigid strikers penetrating into concrete obstacles of various strengths with the impact velocities of 200-460 m/s with the results of realistic experiments. Keywords: hetero-resistant materials, mathematical model, dynamic failure, penetration, concrete, rocks." @default.
- W2891140182 created "2018-09-27" @default.
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- W2891140182 date "2012-01-01" @default.
- W2891140182 modified "2023-09-27" @default.
- W2891140182 title "A MODEL OF DYNAMIC DEFORMATION AND FAILUREOF HETERO-RESISTANT MATERIALS UNDER INTENSIVE IMPACT LOADING" @default.
- W2891140182 doi "https://doi.org/10.32326/1814-9146-2012-74-1-40-48" @default.
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