Mechanical analysis of contact between ball head and acetabular fossa of total hip prothesis

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F04%3APU45712" target="_blank" >RIV/00216305:26210/04:PU45712 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

čeština

Original language name

Mechanická analýza styku hlavičky a jamky totální endoprotézy kyčelního kloubu

Original language description

The paper belongs to biomechanics of a hip joint section. It is engaged in problems with industrial tolerances as one of the possible total hip prothesis insufficiency. Three computation models of the ball head and acetabular fossa were made, on which interference or clearance fit were simulated. Two computation models were 2D, from which one involve pelvis os and one was 3D. Real loading conditions of the hip joint during the slow walk of a human were simulated. Ascertained were values of contact pressses and frictional moment needed to turn ball head in acetabular fossa. Finite element method (FEM) system ANSYS was used to computation. On 2D solution on model of the ball head and acetabular fossa was verified that industrial tolerances have big effect on values of contact pressure and its distribution and also on value of frictional moment, needed to turn the ball head in acetabular. It can be definitely said that from aspect of value and distribution of contact pressure and value of

Czech name

Mechanická analýza styku hlavičky a jamky totální endoprotézy kyčelního kloubu

Czech description

The paper belongs to biomechanics of a hip joint section. It is engaged in problems with industrial tolerances as one of the possible total hip prothesis insufficiency. Three computation models of the ball head and acetabular fossa were made, on which interference or clearance fit were simulated. Two computation models were 2D, from which one involve pelvis os and one was 3D. Real loading conditions of the hip joint during the slow walk of a human were simulated. Ascertained were values of contact pressses and frictional moment needed to turn ball head in acetabular fossa. Finite element method (FEM) system ANSYS was used to computation. On 2D solution on model of the ball head and acetabular fossa was verified that industrial tolerances have big effect on values of contact pressure and its distribution and also on value of frictional moment, needed to turn the ball head in acetabular. It can be definitely said that from aspect of value and distribution of contact pressure and value of

Type

D - Article in proceedings

CEP classification

JR - Other machinery industry

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2004

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Strojné inžinierstvo 2004

ISBN

80-227-2105-0

ISSN

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e-ISSN

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Number of pages

1

Pages from-to

62-62

Publisher name

Strojnícka Fakulta STU v Bratislave

Place of publication

Bratislava

Event location

Bratislava

Event date

Sep 8, 2004

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

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