Abstract:Transient effects of stress-strain fields in the vicinity of a stationary crack tip under high rate loads are discussed. Exact analytical solutions to near tip stresses are compared to fields prescribed by leading terms (one or several) of Williams asymptotic expansion. Influence of load application mode, time (or, which is the same, distance from a crack tip) and Poisson's ratio on this discrepancy is extensively examined. Some effects connected with crack tip propagation speed are also discussed. Significant… Show more
“…Поскольку решение задачи в точной постановке учитывает результат распространения упругих волн всех типов, предпринимаются попытки выделить вклад поверхностной волны (см., например, [1,2] ; . , [11].…”
“…Поскольку решение задачи в точной постановке учитывает результат распространения упругих волн всех типов, предпринимаются попытки выделить вклад поверхностной волны (см., например, [1,2] ; . , [11].…”
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