Article | REF: H3750 V3

CAD : Geometrical modelling

Author: Yvon GARDAN

Publication date: July 10, 2020, Review date: January 13, 2021

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2. Modeling

2.1 Model concept

The notion of a model has been around since antiquity, either in the form of a physical model, or in the form of abstract objects (usually mathematical), which can be adapted to produce a computer prototype that respects a certain number of properties. We are mainly interested in the representation of object morphology.

The study of object representation involves analyzing the two fundamental aspects of all modeling:

  • the representation of the characteristics (in the context of this article, essentially geometric) of objects. This can be done either explicitly or implicitly;

  • the implementation of operations, such as the composition or modification of solids. The...

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