Abstract
It is well known that when formulating the macrorupture criterion, complementing the solid-medium mechanics equations, one has to take into account the most important peculiarity of dynamic fracture — the existence of not only a spatial but also a temporal structure of the process. This circumstance must be reflected while choosing criterion-determining parameters and test methods of dynamic strength properties of a material. Structural—temporal criteria, already considered in the previous chapters, permit taking this dynamic fracture peculiarity into account and modeling the process of crack-growth initiation under the action of impact pulses.
In this chapter we examine some principal peculiarities, and present calculation methods and an interpretation of the well-known high-rate fracture effects of elastic bodies with cracks [23-29, 31, 49, 99].
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© 2000 Springer-Verlag Berlin Heidelberg
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Morozov, N., Petrov, Y. (2000). Dynamic Fracture Near the Crack Tip. In: Dynamics of Fracture. Foundations of Engineering Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69712-1_7
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DOI: https://doi.org/10.1007/978-3-540-69712-1_7
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-08395-2
Online ISBN: 978-3-540-69712-1
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