Article | REF: AG452 V1

Numerical modelling

Author: Jean-François SIGRIST

Publication date: March 10, 2021, Review date: April 6, 2021

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2. Industrial digital simulation practices and players

2.1 Modeler, mesher, solver

The tools needed to run a numerical simulation are generally available within the same IT environment, and combine three main functionalities.

  • A modeler associates the laws of physics with a geometry created by computer-aided design (CAD). It lists the model data (dimensions of parts represented, physical characteristics of materials used, etc.) and visualizes the object studied in three dimensions.

  • A mesher ensures the discretization of the part under study, as a prelude to its calculation. The quality of the mesh resulting from discretization can have a more or less significant influence on the calculation result, depending on the physical phenomena involved. In order to...

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Industrial digital simulation practices and players