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Erschienen in:
Cutting in Real Time in Corotational Elasticity and Perspectives on Simulating Cuts Kapitel lesen Erstes Kapitel lesen

2013 | OriginalPaper | Buchkapitel

3D Algorithm for Simulation of Soft Tissue Cutting

verfasst von : Xia Jin, Grand Roman Joldes, Karol Miller, Adam Wittek

Erschienen in: Computational Biomechanics for Medicine

Verlag: Springer New York

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Abstract

Modelling and simulation of soft tissue cutting in 3D remain one of the most challenging problems in surgery simulation, not only because of the nonlinear geometric and material behaviour exhibited by soft tissue but also due to the complexity of introducing the cutting-induced discontinuity. In most publications, the progressive surgical cutting is modelled by conventional finite element (FE) method, in which the high computational cost and error accumulation due to re-meshing constrain the computational efficiency and accuracy. In this paper, a meshless Total Lagrangian Adaptive Dynamic Relaxation (MTLADR) 3D cutting algorithm is proposed to predict the steady-state responses of soft tissue at any stage of surgical cutting in 3D. The MTLADR 3D algorithm features a spatial discretisation using a cloud of nodes. With the benefits of no meshing and no re-meshing, the cutting-induced discontinuity is modelled and simulated by adding nodes on the cutting faces and implementing the visibility criterion with the aid of the level set method. The accuracy of the MTLADR 3D cutting algorithm is verified against the established nonlinear solution procedures available in commercial FE software Abaqus.

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Vorheriges Kapitel Intraoperative Damage Monitoring of Endoclamp Balloon Expansion Using Real-Time Finite Element Modeling
Nächstes Kapitel Simulation of Congenital Heart Defect Corrective Surgeries Using Thin Shell Elements
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Metadaten
Titel
3D Algorithm for Simulation of Soft Tissue Cutting
verfasst von
Xia Jin
Grand Roman Joldes
Karol Miller
Adam Wittek
Copyright-Jahr
2013
Verlag
Springer New York
Buch
Computational Biomechanics for Medicine

Print ISBN: 978-1-4614-6350-4

Electronic ISBN: 978-1-4614-6351-1

Copyright-Jahr: 2013

DOI
https://doi.org/10.1007/978-1-4614-6351-1_6

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