Building Block Approach For Determination of Ballistic Limit of Composite Panels Using Peridynamics

摘要

In this study, we applied a meshless simulation code Emu [1] that is based on the peridynamic theory of solid mechanics. The peridynamic theory is a nonlocal model that uses integro-differential, rather than partial differential, equations in its basic formulation. This approach allows the equations of the peridynamic theory to be applied directly on evolving discontinuities such as growing cracks. Special techniques to model cracks that are sometimes required at the discretized level in finite element codes are not needed in peridynamics, because the equations are compatible with the essential physical nature of cracks as discontinuities in the displacement field. A general discussion of the peridynamic theory can be found in [2].