Titlebook: Constitutive Relations under Impact Loadings; Experiments, Theoret Tomasz Łodygowski,Alexis Rusinek Book 2014 CISM Udine 2014 Explicit Comp

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Dynamic testing of materials: Selected topics,not cover it extensively and the present chapter will address three selected topics that were discussed during the lecture series given at CISM. For those subjects, the main experimental tool is the Split Hopkinson Pressure Bar (SHPB, Kolsky apparatus), used in its two or one bar version. The SHPB i

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Dynamic Behavior of Materials. Constitutive Relations and Applications,perimental observations, it is clear that the homogeneous material behavior of metals has several non linearities related for example to the strain rate and temperature sensitivity. Therefore, the material description and more precisely the constitutive relation used during numerical simulations for

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Computer estimation of plastic strain localization and failure for large strain rates using viscopltill vivid in theoretical, applied and computational mechanics. Such thermomechanical processes are highly influenced by elasto-viscoplastic wave effects (their propagation and interaction) and varying initial anisotropy caused by existing defects in metals structure like microcracks, microvoids, mo

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Testing With Bars From Dynamic to Quasi-static,nts at specimen ends cannot be simply deduced from measurements with sensors incorporated in the machine, as it is the case with quasi-static testing. Furthermore, most sensors (like force cells) have a limited high passing band..Transient effects in the specimen induce waves and the non-homogeneity

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Computer estimation of plastic strain localization and failure for large strain rates using viscoplmperature for extreme dynamic processes) and computational capabilities..Within this document we consider recent achievements of Perzyna‘s type viscoplasticity theory for metallic materials accounting for anisotropic description of damage suitable for modelling plastic strain localization and failur

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