3D CAD: Principles and Applications by Dr. Hiroshi Toriya, Prof. Dr. Hiroaki Chiyokura (auth.), Dr. PDF

By Dr. Hiroshi Toriya, Prof. Dr. Hiroaki Chiyokura (auth.), Dr. Hiroshi Toriya, Prof. Dr. Hiroaki Chiyokura (eds.)

ISBN-10: 3642457290

ISBN-13: 9783642457296

ISBN-10: 3642457312

ISBN-13: 9783642457319

3D CAD is among the most vital applied sciences of the 90s for the engineering and production global. 3D CAD platforms promises a aggressive side within the improvement of latest items. This booklet offers the advance of a 3-dimensional CAD approach and its wide variety of functions. It describes the options of strong versions, and the idea of curves and surfaces and it illustrates those suggestions via "reals international" applications.

Show description

Read Online or Download 3D CAD: Principles and Applications PDF

Best nonfiction_8 books

Get PasRo: Pascal and C for Robots PDF

The second one version of PASRO - Pascal for Robots comprises a few new facets of the PASRO improvement in the final years. in addition to the PASRO implementation on different desktops with assistance from diversified Pascal compilers and working structures, one major new improvement has been the implementation of the PASRO inspiration within the programming language C.

Get The Taxation of Multinational Corporations PDF

The six papers during this vohune symbolize state of the art empirical and conceptual examine on quite a few features of the taxation of establishment firms. They have been commissioned for and offered at a convention equipped through fee Waterhouse LLP on behalf of the foreign Tax coverage discussion board, held in Washington, DC in March, 1994.

Extra resources for 3D CAD: Principles and Applications

Example text

SOLID MODELER DESIGNBASE (c) When an edge (E) is viewed from the outside of a solid, other edges connected to that edge can be referenced in the same direction, usually clockwise (EE adjacency relationship). (a) (b) (c) Fig. 5. 5, it is evident that the data structure of any of the three adjacency relationships is sufficient when representing a solid model in a computer. 6. Face Fs (a) Edge Fl El - E4 - E3 - E2 F2 E2 - E7 - Es F3 E3- E S- E7 F4 E4 - Es - Es Fs El - E6 - Es (b) Fig. 6. Data structure in which a face owns all of its surrounding edges In this data structure, a face owns all of its surrounding edges in such order, that the structure can be intuitively understood.

Furthermore, in DESIGNBASE the face and loop of the topological elements are not differentiated. , a loop. There are two types of loops: P-Ioop (parent-loop) for the outer boundaries 34 3. 13. Edge data structure in DESIGNBASE of a face and C-loop (child-loop) for the inner boundaries (the rings). 14. Lparen~ OJ edge L OJ edge child-loop parent-loop child-loop surface (b) (a) Fig. 14. 15. P-Ioop I ,---'-------'----,I-I ----------= C-Ioop 1 C-Ioop 2 I-I C-Ioop 3 1- 0 Fig. 15. List structure between P-Ioop and C-Ioop The data structures of the four topological elements used in DESIGN BASE - body, loop, edge, and vertex - are shown below.

9). '" cweh ccweh f oeh (a) (b) Fig. 8. 8 the half-edge structure. 10, the face-edge structure can represent the state where only one vertex (V) exists in space. 32 3. SOLID MODELER DESIGNBASE '~""" v .... -Q-•••• loeh i f ccweh cweh Edge Half Table v cweh ccweh f oeh (b) (a) Fig. 9. Vertex-edge structure Edge Half Table v : V cweh: EH ccweh: EH f : F oeh : - (a) (b) Fig. 10. How to represent one vertex by the face-edge structure Weiler and Woo have put forward arguments on the winged-edge and faceedge structures; about their capacities for data structures and their efficiencies to access data[158,164).

Download PDF sample

3D CAD: Principles and Applications by Dr. Hiroshi Toriya, Prof. Dr. Hiroaki Chiyokura (auth.), Dr. Hiroshi Toriya, Prof. Dr. Hiroaki Chiyokura (eds.)


by Kevin
4.0

Rated 4.15 of 5 – based on 19 votes