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01-12-2015 | Original Article

Toward high-speed 3D nonlinear soft tissue deformation simulations using Abaqus software

Authors: Ashraf Idkaidek, Iwona Jasiuk

Published in: Journal of Robotic Surgery | Issue 4/2015

Abstract

We aim to achieve a fast and accurate three-dimensional (3D) simulation of a porcine liver deformation under a surgical tool pressure using the commercial finite element software Abaqus. The liver geometry is obtained using magnetic resonance imaging, and a nonlinear constitutive law is employed to capture large deformations of the tissue. Effects of implicit versus explicit analysis schemes, element type, and mesh density on computation time are studied. We find that Abaqus explicit and implicit solvers are capable of simulating nonlinear soft tissue deformations accurately using first-order tetrahedral elements in a relatively short time by optimizing the element size. This study provides new insights and guidance on accurate and relatively fast nonlinear soft tissue simulations. Such simulations can provide force feedback during robotic surgery and allow visualization of tissue deformations for surgery planning and training of surgical residents.

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Title: Toward high-speed 3D nonlinear soft tissue deformation simulations using Abaqus software
Authors: Ashraf Idkaidek
Iwona Jasiuk
Publication date: 01-12-2015
Publisher: Springer London
Published in: Journal of Robotic Surgery / Issue 4/2015
Print ISSN: 1863-2483
Electronic ISSN: 1863-2491
DOI: https://doi.org/10.1007/s11701-015-0531-2

At a glance: The STEP trials

Springer Medicine

Toward high-speed 3D nonlinear soft tissue deformation simulations using Abaqus software

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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