Artículo
PetIGA: A framework for high-performance isogeometric analysis
Fecha de publicación:
08/2016
Editorial:
Elsevier Science Sa
Revista:
Computer Methods in Applied Mechanics and Engineering
ISSN:
0045-7825
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Resumen
We present PetIGA, a code framework to approximate the solution of partial differential equations using isogeometric analysis. PetIGA can be used to assemble matrices and vectors which come from a Galerkin weak form, discretized with Non-Uniform Rational B-spline basis functions. We base our framework on PETSc, a high-performance library for the scalable solution of partial differential equations, which simplifies the development of large-scale scientific codes, provides a rich environment for prototyping, and separates parallelism from algorithm choice. We describe the implementation of PetIGA, and exemplify its use by solving a model nonlinear problem. To illustrate the robustness and flexibility of PetIGA, we solve some challenging nonlinear partial differential equations that include problems in both solid and fluid mechanics. We show strong scaling results on up to 4096 cores, which confirm the suitability of PetIGA for large scale simulations.
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Articulos(CIMEC)
Articulos de CENTRO DE INVESTIGACION DE METODOS COMPUTACIONALES
Articulos de CENTRO DE INVESTIGACION DE METODOS COMPUTACIONALES
Citación
Dalcin, Lisandro Daniel; Collier, N.; Vignal, P.; Côrtes, A. M. A.; Calo, V. M.; PetIGA: A framework for high-performance isogeometric analysis; Elsevier Science Sa; Computer Methods in Applied Mechanics and Engineering; 308; 8-2016; 151-181
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