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Isogeometric collocation for elastostatics and explicit dynamics
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DOI：10.1016/j.cma.2012.03.026.png)
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Abstract
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We extend the development of collocation methods within the framework of Isogeometric Analysis (IGA) to multi-patch NURBS configurations, various boundary and patch interface conditions, and explicit dynamic analysis. The methods developed are higher-order accurate, stable with no hourglass modes, and efficient in that they require a minimum number of quadrature evaluations. The combination of these attributes has not been obtained previously within standard finite element analysis. (C) 2012 Elsevier B.V. All rights reserved.
Keywords:
Isogeometric analysis
Collocation methods
B-splines
Nurbs
Explicit dynamics
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