Serving the Numerical Simulation community since 1989 
ESRD will be attending AA&S 2017 in Phoenix, AZ from May 22-25. Come visit Gordon and Jason at our booth (119) and attend Jason’s training course “StressCheck + Fracture: Best Practices & Live Demo” on Monday, May 22, 2017 @ 6PM.
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Recently, Wiley published the second edition of "Finite Element Analysis: Method, Verification and Validation" by ESRD Co-Founders Dr. Barna Szabo and Dr. Ivo Babuška as part of their "Wiley Series in Computational Mechanics". This edition provides an updated and comprehensive review of the theoretical foundation of the finite element method, and provides engineering students and professionals the tools, concepts, techniques, and procedures that help with an understanding of finite element analysis.
In one of my conference presentations, I discussed variational crimes, noting that using point forces and point constraints in finite element analysis serves as examples of such crimes. In the question-and-answer session, I was asked: “If using point constraints is a variational crime, then how is it possible that the structure designed to refloat the Costa Concordia was full of those crimes and yet it worked just fine.” This question presented an opportunity for me to explain that finite element modeling (FEM) and finite element analysis (FEA) are complementary methods when analysts correctly understand their respective domains of application and use them accordingly. However, problems arise when FEM is used outside its scope, which is an all too frequent error.
At present, a very substantial unrealized potential exists in numerical simulation. Simulation technology has matured to the point where management can realistically expect the reliability of predictions based on numerical simulations to match the reliability of observations in physical experimentation. This will require management to upgrade simulation practices through exercising simulation governance.
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