Abstract
The paper aims to investigate the effect of blast pressure modeling, accounting for the ground reflections, on conical and hemispherical shells behavior. Steel shells, of constant height, rigidly connected with a steel plate are considered. The uniformly distributed external overpressure and true material stress–strain curve are assumed in calculations. The problem is solved by FEM using ANSYS software. The time relations of strain energy and effective stresses for different simulations of blast pressure are determined.
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