Publication detail
Comparative study of two different types of human mandible boundary conditions used in finite element calculations
VALÁŠEK, J. JURČENKO, M. FLORIAN, Z.
Czech title
Srovnávací studie dvou různých typů lidských dolní čelisti okrajových podmínek použitých v konečných prvků výpočtu
English title
Comparative study of two different types of human mandible boundary conditions used in finite element calculations
Type
journal article - other
Language
en
Original abstract
The aim of presented work is to compare two different ways of prescribing a boundary condition of muscles and chewing force. The first variant of boundary condition considers muscle forces and their direction taken from literature. The second variant of boundary condition considers muscles modeled as finite elements and connects lower jaw and skull together. In the second variant a Youngs modulus of muscles changed in range from 1e4 MPa to 2,1e5 MPa. Models of living tissues were created on base of computed tomography (CT) images and modeled in 3D CAD software SolidWorks. Calculations were computed in the finite element software ANSYS. Material models were considered as homogenous, isotropic and linearly elastic for all parts. First, both variants of boundary condition were analyzed separately and after that, selected variables (as muscle forces and muscle direction scale factors) from both variants were compared together.
Czech abstract
Cílem předložené práce je porovnat dva různé způsoby předepsání okrajové podmínky žvýkací svaly a sílu.První varianta okrajovou podmínku považuje svalové síly a jejich směr převzaté z literatury. Druhá varianta okrajovou podmínku považuje svalů modelovaných jako konečných prvků a spojuje dolní čelist a lebku dohromady.
English abstract
The aim of presented work is to compare two different ways of prescribing a boundary condition of muscles and chewing force. The first variant of boundary condition considers muscle forces and their direction taken from literature. The second variant of boundary condition considers muscles modeled as finite elements and connects lower jaw and skull together. In the second variant a Youngs modulus of muscles changed in range from 1e4 MPa to 2,1e5 MPa. Models of living tissues were created on base of computed tomography (CT) images and modeled in 3D CAD software SolidWorks. Calculations were computed in the finite element software ANSYS. Material models were considered as homogenous, isotropic and linearly elastic for all parts. First, both variants of boundary condition were analyzed separately and after that, selected variables (as muscle forces and muscle direction scale factors) from both variants were compared together.
Keywords in Czech
Svalové síly; metoda konečných prvků; dolní čelisti pohyb; jednostranné žvýkaní
Keywords in English
Muscle forces; Finite Element Method; Mandible movement; Unilateral chewing
RIV year
2013
Released
23.10.2013
Publisher
Trans Tech Publications
Location
Switzerland
ISSN
1660-9336
Volume
2013
Number
436
Pages from–to
255–264
Pages count
10
BIBTEX
@article{BUT101870,
author="Jiří {Valášek} and Maxim {Jurčenko} and Zdeněk {Florian},
title="Comparative study of two different types of human mandible boundary conditions used in finite element calculations",
year="2013",
volume="2013",
number="436",
month="October",
pages="255--264",
publisher="Trans Tech Publications",
address="Switzerland",
issn="1660-9336"
}