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Hybrid 3D Mass Spring System for Soft Tissue Simulation

Abstract : The need for simulations of soft tissues, like internal organs, arises with the progress of the scientific and medical environments. The goal of my PhD is to develop a novel generic topological and physical model to simulate human organs. Such a model shall be easy to use, perform the simulations in the real time and which accuracy will allow usage for the medical purposes.This thesis explores novel simulation methods and improvement approaches for modeling deformable bodies. The methods aim at fast and robust simulations with physically accurate results. The main interest lies in simulating elastic soft tissues at small and large strains for medical purposes. We show however, that in the existing methods the accuracyto freely simulate deformable bodies and the real-time performance do not go hand in hand. Additionally, to reach the goal of simulating fast, many of the approaches move the necessary calculations to pre-computational part of the simulation, which results in inability to perform topological operations like cutting or refining.The framework used for simulations in this thesis is designed to simulate materials using Mass Spring Systems (MSS) with particular input parameters. Using Mass-Spring System, which is known for its simplicity and ability to perform fast simulations, we present several physically-based improvements to control global features of MSS which play the key role in simulation of real bodies
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Submitted on : Tuesday, April 24, 2018 - 1:59:07 PM
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  • HAL Id : tel-01761851, version 2

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Karolina Golec. Hybrid 3D Mass Spring System for Soft Tissue Simulation. Modeling and Simulation. Université de Lyon, 2018. English. ⟨NNT : 2018LYSE1004⟩. ⟨tel-01761851v2⟩

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