Vestnik of Samara University. Natural Science SeriesVestnik of Samara University. Natural Science Series2541-75252712-8954Samara National Research University453710.18287/2541-7525-2014-20-7-96-103THIN-WALLED STRUCTURES DESTRUCTION AND LOCATION STRAIN ON CHART RIGID-CURRENTYakovlevA.S.morenov.sv@ssau.ruSamara State Aerospace University30112014207961033005201730052017Copyright © 2014, Yakovlev A.2014In this article the model of fracture of thin plates with cracks, which is a con- tinuation and generalization of rocket fuel components model (Leonov-Panasyuk- Dugdale) and based on the idea of plastic zone at the crack tip as the areas in which deformations occur on a rigid scheme of Prager flow.жесткопластическое течениетонкостенная пластинатрещинамодель Леонова - Панасюка - Дагдейлапластическая деформацияобъемная плотность энергии диссипацииуравнение Фредгольмаметод ”малого параметра”