Serving the Numerical Simulation community since 1989 
ESRD will be releasing updates to StressCheck Professional, CAE Handbook and StressCheck Tool Box very soon. Check our Product Updates page for more information about previous releases.
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In engineering sciences, we classify mathematical models as ‘proper’ or ‘improper’ rather than ‘scientific’ or ‘pseudoscientific’. A model is said to be proper if it is consistent with the relevant mathematical theorems that guarantee the existence and, when applicable, the uniqueness of the exact solution. Otherwise, the model is improper. At present, the large majority of models used in engineering practice are improper. Following are examples of frequently occurring types of error, with brief explanations.
ESRD, Inc. will be exhibiting, presenting a technical paper (on DTA of bonded repairs) and providing a 2-hour training course in person and virtually at the ASIP Conference 2022 in Phoenix, AZ from November 28-December 1, 2022.
Engineering students and professionals alike want to know: are singularities "real"? And if so, when they appear in our solutions, what are we supposed to do with them? Regarding the practical question of what to do with singularities; we need to distinguish between cases where singularities are just nuisances and where a singularity is the object of simulation.
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