Serving the Numerical Simulation community since 1989 
ESRD is pleased to announce the release of StressCheck v10.2 Update 1, which improves on the high standard for numerical simulation set by StressCheck v10.2. Click here for the list of updates and improvements to StressCheck v10.2.
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Table 1. Mission-dependence of numerical simulation tasks. Mathematical models have become indispensable sources of information on which technical and business decisions are based. It is therefore vitally important for decision-makers to know whether relying on the predictions of mathematical models is justified. When properly used, numerical simulation can be a major corporate asset. However, it can become a major corporate liability if the reliability of predictions is not guaranteed. Learn more in our latest blog post.
StressCheck shows the convergence of maximum stress on an imported legacy FEA bulkhead mesh. On Thursday, December 14th @ 1:00 pm EST an Aerospace & Defense-oriented webinar titled "High-Fidelity Stress Analysis for S.A.F.E.R. Structural Simulation" will be provided by ESRD's Brent Lancaster and Gordon Lehman. Sign up today [...]
The idea of a digital twin originated at NASA in the 1960s as a “living model” of the Apollo program. When Apollo 13 experienced an oxygen tank explosion, NASA utilized multiple simulators and extended a physical model of the spacecraft to include digital simulations, creating a digital twin. This twin was used to analyze the events leading up to the accident and investigate ideas for a solution. The term "digital twin" was coined by NASA engineer John Vickers much later. While the term is commonly associated with modeling physical objects, it is also employed to represent organizational processes. Here, we consider digital twins of physical entities only.
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