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Mesh representation of simply connected 3D objects in visualisation of melting phenomena

Szajerman D.

Machine Graphics and Vision

2006

Vol. 15, No. 3/4

621-630

This paper discusses some aspects of the physics approach to simulation of the melting phenomena: energy distribution in a volumetric model, substance vaporization and their relation to geometric properties of a model. A new simulation method for melting objects is presented. The method consists in mesh deformations which allow simulation of melting phenomena with preservation of visual effects similar to those achieved in the volumetric approach. Moreover, a few examples of melted models are included to show visual effects achievable with the help of the method. Meshes used with the method should be simply connected sets. This means there are no holes in them, and that they constitute a single object through the whole simulation process. Furthermore, a new method for determining whether a point is situated inside a given polygon is shown.