BEASY
Software and Services

Fracture Simulation newsletter

BEASY Fracture Newsletter

Initial ABAQUS modelA focus of interest was BEASY's Fatigue and Crack Growth software used to perform 3D crack growth simulations to support structural life extension decisions and in particular its integration with Finite Element systems such as ABAQUS, ANSYS, NASTRAN and MSC PATRAN. This was demonstrated in a failure investigation where an ABAQUS stress analysis model was available and BEASY was used to perform the crack growth study to gain an understanding of the failure mode.

In Damage Tolerant Design the assumption that cracks already exist can lead to overly heavy designs without the consideration of surface and near surface stress distributions. Practical experience and accumulated data have shown surface, near surface and sub-surface stresses are very important to the growth of fatigue cracks and need to be considered when predicting how cracks grow.

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