Temat: surface meshing - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: An algorithm of semi-Delaunay triangulation of points cloud scattered on a surface
Autorzy:: Kucwaj, J.
Powiązania:: https://bibliotekanauki.pl/articles/305397.pdf
Data publikacji:: 2014
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: Delaunay triangulation
surface reconstruction
advancing front technique
surface meshing
Opis:: The purpose of this paper is to generalize the Delaunay[13] triangulation onto surfaces. A formal definition and an appropriate algorithm are presented. Starting from a plane domain Delaunay triangulation definition, a theoretical approach is evolved (which is a background for further considerations). It has been proven that, in the case of a plane surface, the introduced Delaunay triangulation of surfaces is identical to classical Delaunay triangulation of the plane domain. The proposed algorithm is implemented and numerical results are shown.
Źródło:: Computer Science; 2014, 15 (3); 329-348
1508-2806
2300-7036
Pojawia się w:: Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Modeling transmission mechanisms with determination of efficiency
Autorzy:: Ratov, Denis
Lyfar, Vladimir
Powiązania:: https://bibliotekanauki.pl/articles/118077.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Promocji Wiedzy
Tematy:: modeling of mechanisms
working surface meshing
modelowanie mechanizmu
siatkowanie powierzchni roboczej
Opis:: Continuing previous studies, reviewed by modeling transmission mechanisms with the definition of one of the major criteria of transmission efficiency – the efficiency of the gearing, which depends on the geometry and kinematics of the working surfaces of the engagement and position of the contact point on the engaging surface in the object of the simulation model the designed transmission.
Źródło:: Applied Computer Science; 2020, 16, 1; 33-40
1895-3735
Pojawia się w:: Applied Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The quick measure of a NURBS surface curvature for accurate triangular meshing
Autorzy:: Kniat, A.
Powiązania:: https://bibliotekanauki.pl/articles/258692.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: triangulation
meshing
curvature
NURBS surface
optimization
Opis:: NURBS surfaces are the most widely used surfaces for three-dimensional models in CAD/ CAE programs. When a model for FEM calculation is prepared with a CAD program it is inevitable to mesh it finally. There are many algorithms for meshing planar regions. Some of them may be used for meshing surfaces but it is necessary to take the curvature of the surface under consideration to avoid poor quality mesh. The mesh must be denser in the curved regions of the surface. In this paper, instead of analysing a surface curvature, the method to assess how close is a mesh triangle to the surface to which its vertices belong, is presented. The distance between a mesh triangle and a parallel tangent plane through a point on a surface is the measure of the triangle quality. Finding the surface point whose projection is located inside the mesh triangle and which is the tangency point to the plane parallel to this triangle is an optimization problem. Mathematical description of the problem and the algorithm to find its solution are also presented in the paper.
Źródło:: Polish Maritime Research; 2014, 2; 41-44
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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