Modelling rod-like flexible biological tissues for medical training

Authors:
Jian Chang;Junjun Pan;Jian J. Zhang
Affiliations:
National Centre for Computer Animation, The Media School, Bournemouth University, Poole, U.K.;National Centre for Computer Animation, The Media School, Bournemouth University, Poole, U.K.;National Centre for Computer Animation, The Media School, Bournemouth University, Poole, U.K.
Venue:
3DPH'09 Proceedings of the 2009 international conference on Modelling the Physiological Human
Year:
2009

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Abstract

This paper outlines a framework for the modelling of slender rod-like biological tissue structures in both global and local scales. Volumetric discretization of a rod-like structure is expensive in computation and therefore is not ideal for applications where real-time performance is essential. In our approach, the Cosserat rod model is introduced to capture the global shape changes, which models the structure as a one-dimensional entity, while the local deformation is handled separately. In this way a good balance in accuracy and efficiency is achieved. These advantages make our method appropriate for the modelling of soft tissues for medical training applications.