CAD surface creation by carpeting method for engineering analysis
Computational Geometry, CAD
January 2007
AUTHORS
Aziz B. Patavegar, Vinod B. Suryavanshi, Sandip N. Jadhav
Abstract
Project aims at developing a CAD functionality which can create single monolithic surface from set of disjoint surfaces. Currently used methods are tedious and time consuming and therefore cannot be used for the analysis purpose. This report presents a method that is used to create a monolithic surface known as carpeting technique for surface projection on set of triangulated surface patches. Carpeting method applied in our approach can be described as projection of surface on input geometry and enhancement of surface.
Due to reliable mathematical models, increase in available computing power and geometric modeling tools; large number of design and analysis problem in wide range of areas are being solved numerically. Domain discritization plays an important role in the numerical solution of set of partial differential equations using finite volume or finite element methods. Good quality grid and ability to generate grids with minimum user interaction are the two most desirable properties of a grid generator.
In this context, successful integration of Computer Aided Design (CAD) with grid generator plays a vital role. Various studies have shown that transformation of a CAD model to discretized geometry consumes significant amount of time. Thereby emphasis lies on creating quick and robust geometry-grid processing system. Present work aims at developing a CAD functionality which can create single monolithic surface from set of disjoint surface for engineering analysis.
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