Dynamic Crack Propagation
Abstract
The problems of quasi-steady-state fracture mechanics are described in Chapter 2. In this chapter, the problem of dynamic fracture mechanics is first presented to explain that simulation of crack arbitrary propagation in structures and materials is a very difficult issue. Next, node force release technology is introduced to simulate crack propagation in the conventional finite element method, which is in fact to assign the crack route and growth speed along the element edge. This technology differs from the extended finite element method (X-FEM), because cracks may experience arbitrary propagation in the element. Obviously, one of the advantages of X-FEM is that it can be used to illustrate a natural ...
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