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http://hdl.handle.net/10553/16341
Título: | A new approach to solid modeling with trivariate T-splines based on mesh optimization | Autores/as: | Escobar Sánchez, José María Cascón Barbero, José Rodríguez, Eduardo Montenegro Armas, Rafael |
Clasificación UNESCO: | 120613 Ecuaciones diferenciales en derivadas parciales 1206 Análisis numérico 1204 Geometría |
Palabras clave: | Trivariate T-spline Isogeometric analysis Volumetric parameterization Mesh optimization Meccano method, et al. |
Fecha de publicación: | 2011 | Editor/a: | 0045-7825 | Publicación seriada: | Computer Methods in Applied Mechanics and Engineering | Resumen: | We present a new method to construct a trivariate T-spline representation of complex genuszero solids for the application of isogeometric analysis. The proposed technique only demands a surface triangulation of the solid as input data. The key of this method lies in obtaining a volumetric parameterization between the solid and the parametric domain, the unitary cube. To do that, an adaptive tetrahedral mesh of the parametric domain is isomorphically transformed onto the solid by applying a mesh untangling and smoothing procedure. The control points of the trivariate T-spline are calculated by imposing the interpolation conditions on points sited both on the inner and on the surface of the solid... | URI: | http://hdl.handle.net/10553/16341 | ISSN: | 0045-7825 | DOI: | 10.1016/j.cma.2011.07.004 | Fuente: | Computer Methods in Applied Mechanics and Engineering[ISSN 0045-7825],v. 200(45-46), p. 3210-3222 | Derechos: | by-nc-nd |
Colección: | Artículos |
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