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Stable cutting of deformable objects in virtual environments using XFEM.

Lenka Jerábková¹, Torsten Kuhlen

¹RWTH Aachen University, Germany. lenka.jerabkova@rwth-aachen.de

IEEE Computer Graphics and Applications

|May 26, 2009

Summary

This summary is machine-generated.

The extended finite element method (XFEM) enhances deformable object simulations by using element enrichment to model discontinuities. This approach, combined with mass-lumping, ensures stable simulations even with material slivers near cuts.

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Area of Science:

Computational mechanics
Computer simulation
Finite element analysis

Background:

Deformable object simulators often face stability issues.
Material slivers in cut areas are a common cause of simulation instability.

Purpose of the Study:

To introduce a novel approach for stable deformable object simulation.
To address the limitations of traditional simulation methods.

Main Methods:

Utilized the extended finite element method (XFEM).
Employed element enrichment to model discontinuities effectively.
Integrated an appropriate mass-lumping technique.

Main Results:

Achieved stable simulations in deformable object modeling.
Successfully managed discontinuities caused by material slivers.
Demonstrated simulation stability irrespective of cut location.

Conclusions:

XFEM offers a robust solution for stable deformable object simulations.
The combination of XFEM and mass-lumping overcomes prior stability challenges.
This method provides reliable simulation results in complex scenarios.