Automated Beta Curve Development Using Parametric FEA
Abstract: Beta factors are often expressed as the superposition of the stress intensity factors (SIFs) of several simple cases. This can be a challenge for complex parts. New approach: Automated beta curve development using parametric finite element analysis (FEA).
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“We have been having very good success using the P-Version finite element code, StressCheck®, to develop the 2-D solutions for two independent cracks in a plate. I have asked one of our AFGROW team members to model the plate and lug cases using StressCheck® and compare them to the existing AFGROW closed-form solutions. [He] modeled the cases several different ways to be sure that he was getting the best possible solutions. He has verified that the bearing load option in StressCheck® provides excellent results”