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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Contrary to various claims, IGA is not a new paradigm in the numerical approximation of partial differential equations; it is simply an alternative implementation of the p-version of the finite element method. IGA is one possible implementation of the p-version of the finite element method. Its distinguishing features are: (a) it retains the CAD geometry, (b) the basis functions are the same as those used for CAD representation, typically B-splines or NURBS, and (c) it provides for the enforcement of the inter-element continuity of the derivatives of the basis functions.
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