A pseudo-spring based SPH framework for studying fatigue crack propagation
The existing smoothed particle hydrodynamics (SPH) approaches for propagating fatigue
cracks involve either the deletion of the crack front particle or stopping all its interactions in
the total Lagrangian form. Here, we adopt the pseudo-spring-based Eulerian form of SPH to
model mode-I fatigue crack propagation. For modeling fatigue crack growth, only the
interactions between the crack front particle and its neighbors, which display the largest
axial stresses in the connected pseudo-springs, are stopped. We show that our framework …
cracks involve either the deletion of the crack front particle or stopping all its interactions in
the total Lagrangian form. Here, we adopt the pseudo-spring-based Eulerian form of SPH to
model mode-I fatigue crack propagation. For modeling fatigue crack growth, only the
interactions between the crack front particle and its neighbors, which display the largest
axial stresses in the connected pseudo-springs, are stopped. We show that our framework …
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