Stress analysis of the ceramic hip joint endoprosthesis with real shape deflections

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F04%3APU45022" target="_blank" >RIV/00216305:26210/04:PU45022 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61388998:_____/04:00103683

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Stress analysis of the ceramic hip joint endoprosthesis with real shape deflections

Popis výsledku v původním jazyce

The paper deals with the problems of ceramic head of hip joint endoprosthesis destructions, and with assessing the impact of shape deflections of conical surfaces on the probability of this failure. Concerned are shape deflections from the ideal conicalsurfaces of the stem and the head of the endoprosthesis, which - when the head is put on the stem and the endoprosthesis loaded - form a contact configuration. The shape deflections may be modelled at the macro-level - this concerns model shape inaccuraccies such as deflection from the nominal degree of taper, ovality, and their combination, or, possibly, at the micro-level - when the stochastic distribution of unevenness on the contact areas is respected. The problem of stress in ceramic heads was solved using the algorithm of the finite element method for spatial contact tasks, and the Weibull probability model was used for solving the problem of head cohesion failure probability. In the paper are presented and analysed the results of

Název v anglickém jazyce

Stress analysis of the ceramic hip joint endoprosthesis with real shape deflections

Popis výsledku anglicky

The paper deals with the problems of ceramic head of hip joint endoprosthesis destructions, and with assessing the impact of shape deflections of conical surfaces on the probability of this failure. Concerned are shape deflections from the ideal conicalsurfaces of the stem and the head of the endoprosthesis, which - when the head is put on the stem and the endoprosthesis loaded - form a contact configuration. The shape deflections may be modelled at the macro-level - this concerns model shape inaccuraccies such as deflection from the nominal degree of taper, ovality, and their combination, or, possibly, at the micro-level - when the stochastic distribution of unevenness on the contact areas is respected. The problem of stress in ceramic heads was solved using the algorithm of the finite element method for spatial contact tasks, and the Weibull probability model was used for solving the problem of head cohesion failure probability. In the paper are presented and analysed the results of

Druh

D - Stať ve sborníku

CEP obor

BO - Biofyzika

OECD FORD obor

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Projekt

<a href="/cs/project/GP101%2F04%2FP037" target="_blank" >GP101/04/P037: Zvýšení úrovně výpočtového modelování pro určování pravděpodobnosti porušení keramické hlavice kyčelní endoprotézy</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2004

Kód důvěrnosti údajů

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

Název statě ve sborníku

Biomechanics of Man 2004

ISBN

80-7043-315-9

ISSN

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e-ISSN

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Počet stran výsledku

1

Strana od-do

107-107

Název nakladatele

University of West Bohemia

Místo vydání

Plzeň

Místo konání akce

Šumava Mountain - Hotel Horizont

Datum konání akce

16. 11. 2004

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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