Constraint Sets for Topology-changing Finite Element Models

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Date
2007
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Volume Title
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The Eurographics Association
Abstract
We propose constraint sets as an efficient data structure for topology-changing deformable tetrahedral meshes. Using constraint sets, data structure updates in case of topology changes are simple and efficient. The consistency of the geometric representation is maintained and elasto-mechanical properties of the object are preserved. In combination with a Finite Element model for elasto-plastic objects and a geometric constraint approach, con- straint sets are applied to simulate the merging and breaking of conforming and non-conforming tetrahedral meshes. Experiments illustrate the efficiency of the data structure in interactive applications and its versatility.
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@inproceedings{
:10.2312/PE/vriphys/vriphys07/021-026
, booktitle = {
Workshop in Virtual Reality Interactions and Physical Simulation "VRIPHYS" (2007)
}, editor = {
John Dingliana and Fabio Ganovelli
}, title = {{
Constraint Sets for Topology-changing Finite Element Models
}}, author = {
Gissler, Marc
and
Becker, Markus
and
Teschner, Matthias
}, year = {
2007
}, publisher = {
The Eurographics Association
}, ISBN = {
978-3-905673-65-4
}, DOI = {
/10.2312/PE/vriphys/vriphys07/021-026
} }
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