[PDF] Top 20 Anisotropic Delaunay Meshes of Surfaces

... Abstract: Anisotropic simplicial meshes are triangulations with elements elongated along prescribed ...directions. Anisotropic meshes have been shown to be well suited for interpolation ... Voir le document complet

... case of domains bounded by piecewise smooth surfaces, the meshes are also required to include a faithfull representation of the sharp edges (creases) of the bounding ...boundary ... Voir le document complet

... approximations of the solutions of various types of partial differential ...schemes of the Laplace equation −∆u = f in a two-dimensional convex polygonal bounded domain Ω, associated with ... Voir le document complet

... All previous works mentioned above are generalizing the well-known incremental algorithm introduced by Bowyer [3], which has proved to be reasonably easy to implement and very ef- ficient in practice. For each new point ... Voir le document complet

... set of points in the Euclidean plane with distinct pairwise distances admits a unique max-min angle Delaunay ...use of symbolic perturbations [ 2 , 5 , 6 , 8 ] that perturb the input point set by an ... Voir le document complet

... The Delaunay complex is a natural structure to consider when seeking to triangulate a space equipped with a ...development of algorithms for meshing Euclidean ...an anisotropic mesh is desired, a ... Voir le document complet

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

... idea of the proof is to express the unit vector u in Equation (1) in terms of a basis for aff(σ) given by the edges of σ that emenate from some arbitrarily chosen ...˜u of u into H can then be ... Voir le document complet

... re-entry of a spacecraft at a low ...solving anisotropic diffusion on unstructured moving meshes in order to model the thermal transfers occuring in the re-entry ...modelisation of the ... Voir le document complet

... Sonia Delaunay s’arrondissent et se repartissent sur toute la surface des plats tendant ainsi à créer un ...Sonia Delaunay utilisera des papiers métalliques et à motifs, qu’on identifiera facilement dans ... Voir le document complet

... functions of temper- ature and the ratios d=R i , but do not depend on the angles θ and ϕ, and V is the volume of the ...features of the ...front of a planar surface (R 1 ¼ R 2 → ∞) the ... Voir le document complet

... remesh surfaces, “shrink-wrap” methods [5, 9] iteratively project the tem- plate onto the input mesh while minimizing a regularization ...subdivision surfaces [15, 16], using an exact algorithm to find ... Voir le document complet

... R´ esum´ e : Nous pr´esentons un cadre algorithmique pour construire des triangulations de De- launay de vari´et´es. L’entr´ee de l’algorithme est un ensemble de points ainsi que que des cartes lo- cales euclidiennes ... Voir le document complet

... action of a pump. To minimize the shearing of these suspensions during flow an architecture based on a gravity- induced flow mechanism (gravity-induced-flow-cell, GIFCell) is utilized to move the active ... Voir le document complet

... faces of the mesh in only one ...path of dangling edges is followed in order to ensure that all the dangling edges are ...step of the algorithm consists in contracting all non-loop ...tion of ... Voir le document complet

... use of the dual graph D (M ) of M ...triangle of M . We denote the dual node correspond- ing to face f of M by D(f ...nodes of D(M ) are joined by an arc if the two corresponding ... Voir le document complet

... maximum of the y function plotted in ...one of cushions which is the energy variation (see [18] for ...amplitude of the bounce depends on k : the largest k is, ... Voir le document complet

... The Delaunay triangulation of a point set in E d is a well-studied structure in computational ...definition of the Delaunay triangulation to extend it to the case of closed Euclidean ... Voir le document complet

... support of the perturbation small. This is unlikely to be a necessary feature of the construction, but it facilitates our simplistic ...implication of Leibon and Letscher’s claim [LL00] is that for ... Voir le document complet

... function Delaunay that computes the Delaunay triangulation takes these hypotheses as ...the Delaunay condition is always satisfied: it is never the case that the extra vertex of an adjacent ... Voir le document complet