Subject-specific biomechanical simulation of brain indentation using a meshless method

Authors:
Ashley Horton;Adam Wittek;Karol Miller
Affiliations:
Intelligent Systems for Medicine Laboratory, School of Mechanical Engineering, The University of Western Australia;Intelligent Systems for Medicine Laboratory, School of Mechanical Engineering, The University of Western Australia;Intelligent Systems for Medicine Laboratory, School of Mechanical Engineering, The University of Western Australia
Venue:
MICCAI'07 Proceedings of the 10th international conference on Medical image computing and computer-assisted intervention - Volume Part I
Year:
2007

Citing 2
Cited 1

Real-Time Elastic Deformations of Soft Tissues for Surgery Simulation

IEEE Transactions on Visualization and Computer Graphics
Brain shift computation using a fully nonlinear biomechanical model

MICCAI'05 Proceedings of the 8th international conference on Medical image computing and computer-assisted intervention - Volume Part II

A point-based simulation framework for minimally invasive surgery

ISBMS'10 Proceedings of the 5th international conference on Biomedical Simulation

Quantified Score

Hi-index	0.00

Visualization

Abstract

We develop a meshless method for simulating soft organ deformation. The method is motivated by simple, automatic model creation for real-time simulation. Our method is meshless in the sense that deformation is calculated at nodes that are not part of an element mesh. Node placement is almost arbitrary. Fully geometrically nonlinear total Lagrangian formulation is used. Geometric integration is performed over a regular background grid that does not conform to the simulation geometry. Explicit time integration is used via the central difference method. To validate the method we simulate indentation of a swine brain and compare the results to experimental data.