Serving the Numerical Simulation community since 1989 
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Gulfstream's G650 private jet airplane flying in sky. In this third of our multi-part series on “S.A.F.E.R. Numerical Simulation for Structural Analysis in the Aerospace Industry” we will examine why Numerical Simulation is not the same as Finite Element Modeling and what this means to the structural analysis function within the A&D industry. [...]
Mixed (hexa/penta/tetra) mesh boundary layer available with the release of StressCheck v11.1 On February 7, 2023 a 2-hour webinar titled "What's New and Improved in StressCheck Professional" was provided by ESRD’s Brent Lancaster to a group of StressCheck enthusiasts. This webinar provided demonstrations of the "latest and greatest" enhancements in StressCheck v11.1, and a look toward future development activities happening in StressCheck v11.2. In case you missed it, the webinar slides and the webinar recording are now available!
From the beginning of FEM acceptance, a significant communication gap existed between the engineering and mathematical communities. Engineers did not understand why mathematicians would worry so much about the number of square-integrable derivatives, and mathematicians did not understand how it is possible that engineers can find useful solutions even when the rules of variational calculus are violated (variational crimes). This gap widened over the years: On one hand, the art of finite element modeling became an integral part of engineering practice. On the other hand, the science of finite element analysis became an established branch of applied mathematics.
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