Analysis of Mixed Mode Crack Growth in a Ship Hull Material under Dynamic Loading
1982
Barnes, C R | Ahmad, J | Kanninen, M F
This article is from Proceedings of the Army Symposium on Solid Mechanics, 1982 - Critical Mechanics Problems in Systems Design, 21-23 Sep 1982, Bass River, Cape Cod, MA, ADA119955.
Afficher plus [+] Moins [-]Research on fracture in HY-100 steel under mixed mode (Modes I and II), dynamic, elastic-plastic loading conditions is described. A combined experimental and finite element analysis effort was pursued. The analysis employed the J criterion for fracture; a criterion which effectively generalizes the conventional J-integral to mixed mode and dynamic loading conditions. The experiments were performed with inclined-notch three-point-bend specimens of HY- 100 steel. By coupling the experiments and finite element analyses, a fracture criterion based on a critical J value was devised and verified.
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