Stress Analysis of the Hip Bone

The bony pelvis has a major role in weight transmission to the lower limbs. The complexities of its geometric form, material properties, and loading conditions render it an open subject to biomechanical analysis. The present study deals with area measurement, and three-dimensional finite elemen...

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Autores principales:	Dr. Akram Abood Jaffar, Dr. Sadiq Jaffar Abass, Huma Mohamed Abdullah
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2017
Materias:	Keyword: Hip Bone, Finite Element Analysis, Stress. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/503d6472cf6240d8a79ea3b575bc28b2
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id	oai:doaj.org-article:503d6472cf6240d8a79ea3b575bc28b2
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spelling	oai:doaj.org-article:503d6472cf6240d8a79ea3b575bc28b22021-12-02T10:50:05ZStress Analysis of the Hip Bone1818-11712312-0789https://doaj.org/article/503d6472cf6240d8a79ea3b575bc28b22017-12-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/22https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 The bony pelvis has a major role in weight transmission to the lower limbs. The complexities of its geometric form, material properties, and loading conditions render it an open subject to biomechanical analysis. The present study deals with area measurement, and three-dimensional finite element analysis of the hip bone to investigate magnitudes, load direction, and stress distribution under physiological loading conditions. The surface areas of the auricular surface, lunate surface, and symphysis pubis were measured in (35) adult hip bones. A solid model was translated into ANSYS parametric design language to be analyzed by finite element analysis method under different loading conditions. The surface areas of the auricular surface, symphysis pubis, and lunate surface were (14.39±2.05cm², 4.46±1.01cm², and 24.63±3.2cm²) respectively. A significant positive linear relationship was found between the auricular surface area and that of the lunate surface. No such correlation was found between the auricular surface and symphysis pubis. The finite element analysis model showed that stresses, using the Von Mises method, were distributed mainly in the acetabulum (anterior, superior and posterior part: 11.2%, 5.4%, 15.9% respectively), auricular surface 24.6%, and ischial tuberosity 40.3%, when a 70kg load was applied. Stresses calculated for higher loads showed a positive direct proportional increase. Principle stresses indicated that failure occurred in the anterior and posterior surface of the acetabulum as well as in the sacrioiliac joint. Dr. Akram Abood JaffarDr. Sadiq Jaffar AbassHuma Mohamed AbdullahAl-Khwarizmi College of Engineering – University of BaghdadarticleKeyword: Hip Bone, Finite Element Analysis, Stress.Chemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 1, Iss 1 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Keyword: Hip Bone, Finite Element Analysis, Stress. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Keyword: Hip Bone, Finite Element Analysis, Stress. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Dr. Akram Abood Jaffar Dr. Sadiq Jaffar Abass Huma Mohamed Abdullah Stress Analysis of the Hip Bone
description	The bony pelvis has a major role in weight transmission to the lower limbs. The complexities of its geometric form, material properties, and loading conditions render it an open subject to biomechanical analysis. The present study deals with area measurement, and three-dimensional finite element analysis of the hip bone to investigate magnitudes, load direction, and stress distribution under physiological loading conditions. The surface areas of the auricular surface, lunate surface, and symphysis pubis were measured in (35) adult hip bones. A solid model was translated into ANSYS parametric design language to be analyzed by finite element analysis method under different loading conditions. The surface areas of the auricular surface, symphysis pubis, and lunate surface were (14.39±2.05cm², 4.46±1.01cm², and 24.63±3.2cm²) respectively. A significant positive linear relationship was found between the auricular surface area and that of the lunate surface. No such correlation was found between the auricular surface and symphysis pubis. The finite element analysis model showed that stresses, using the Von Mises method, were distributed mainly in the acetabulum (anterior, superior and posterior part: 11.2%, 5.4%, 15.9% respectively), auricular surface 24.6%, and ischial tuberosity 40.3%, when a 70kg load was applied. Stresses calculated for higher loads showed a positive direct proportional increase. Principle stresses indicated that failure occurred in the anterior and posterior surface of the acetabulum as well as in the sacrioiliac joint.
format	article
author	Dr. Akram Abood Jaffar Dr. Sadiq Jaffar Abass Huma Mohamed Abdullah
author_facet	Dr. Akram Abood Jaffar Dr. Sadiq Jaffar Abass Huma Mohamed Abdullah
author_sort	Dr. Akram Abood Jaffar
title	Stress Analysis of the Hip Bone
title_short	Stress Analysis of the Hip Bone
title_full	Stress Analysis of the Hip Bone
title_fullStr	Stress Analysis of the Hip Bone
title_full_unstemmed	Stress Analysis of the Hip Bone
title_sort	stress analysis of the hip bone
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2017
url	https://doaj.org/article/503d6472cf6240d8a79ea3b575bc28b2
work_keys_str_mv	AT drakramaboodjaffar stressanalysisofthehipbone AT drsadiqjaffarabass stressanalysisofthehipbone AT humamohamedabdullah stressanalysisofthehipbone
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Stress Analysis of the Hip Bone

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