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Abdula

Articulated Body Dynamics Using Low-complexity Algorithms
Project duration: 1997-1999
Funding: European TMR PAVR
Contact: François Faure

Description

A C++ software library for the physical animation of articulated solids. It includes input-output utilities to read from/write to dynamic body models in VRML-like language. An Inventor interface is also available.

More on Abdula

Application

Physically-based simulation of articulated solids or solids in contact.

Problems

Traditional methods for the simulation of articulated bodies are too slow for real-time applications.

Approach

Linear time complexity algorithms are applied to acyclic articulated bodies. Closed loops are handled using a new iterative approach. This new approach is extended to contact force computation. Constraint drift is contoled using efficient stabilization methods. The user can tune a trade-off between accuracy and computation time.

Publications

François Faure, Fast refinable solution of articulated solid dynamics, to appear in IEEE TVCG, 1999.

François Faure, Interactive solid animation using linearized displacement constraints, 9th Eurographics Workshop on Computer Animation and Simulation, Lisbon, September 1997.

Results


Interactive manipulation of articulated bodies within a VR-environment.	Large number of bodies in contact.
Video (quicktime.gz, 2.1 Mb)	Video (mpg.gz, 9.5 Mb)

Distribution

Abdula can be freely used for non-commercial purposes.

Download Abdula

This page is maintained by François Faure. It was last updated on August, 16th, 1999. If you have any comments, please send a message to francois@cg.tuwien.ac.at