Some Fundamental Problems in Nonlinear Fracture Mechanics

这项工作的主要目标是表征 分析了裂纹产生的应力场和变形场 延性单晶的生长和形变场. 连接韧性材料和脆性材料的界面。 的 分析结果将与全场数值计算结果进行核对 有限元解决方案，并与实验， 符合分析。 目的是设计当地的 描述，结合单晶塑性，作为一个 一般远程加载功能。

The principle objective of this work is to characterize analytically the stress and deformation fields accompanying crack growth in ductile single crystals and deformation fields at interfaces joining a ductile material to a brittle one. The analytical results will be checked with full-field numerical finite element solutions, and also with experiments that correspond to the analyses. The aim is to devise local descriptions, incorporating single crystal plasticity, as a function of general remote loadings.