The value of continuity: Refined isogeometric analysis and fast direct solvers

Daniel Garcia, David Pardo, Lisandro Dalcin, Maciej Paszyński, Nathan Collier, Victor M. Calo

Research output: Contribution to journalArticlepeer-review

25 Citations (SciVal)

Abstract

We propose the use of highly continuous finite element spaces interconnected with low continuity hyperplanes to maximize the performance of direct solvers. Starting from a highly continuous Isogeometric Analysis (IGA) discretization, we introduce . C0-separators to reduce the interconnection between degrees of freedom in the mesh. By doing so, both the solution time and best approximation errors are simultaneously improved. We call the resulting method
Original languageEnglish (US)
Pages (from-to)586-605
Number of pages20
JournalComputer Methods in Applied Mechanics and Engineering
Volume316
DOIs
StatePublished - Aug 26 2016

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