Numerical modeling of the mechanical behavior of hip resurfacing endoprosthesis and healthy bone

Eremina, Galina M.; Smolin, A. Yu.

doi:10.1063/1.5131954

Cited by 2 publications

(3 citation statements)

References 21 publications

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“…The next step in the numerical study of the friction in the hip joint with resurfacing endoprosthesis was the development of the macro-model of friction between the endoprosthesis casing cap rotating in the artificial insert of acetabular cup [46].…”

Section: Modeling Friction In the Rotating Friction Pairmentioning

confidence: 99%

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A Tool for Studying the Mechanical Behavior of the Bone–Endoprosthesis System Based on Multi-scale Simulation

Smolin

Eremina

Shilko

2020

Springer Tracts in Mechanical Engineering

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The chapter presents recent advances in developing numerical models for multiscale simulation of the femur–endoprosthesis system for the case of hip resurfacing arthroplasty. The models are based on the movable cellular automaton method, which is a representative of the discrete element approach in solid mechanics and allows correctly simulating mechanical behavior of a variety of elastoplastic materials including fracture and mass mixing. At the lowest scale, the model describes sliding friction between two rough surfaces of TiN coatings, which correspond to different parts of the friction pair of hip resurfacing endoprosthesis. At this scale, such parameters of the contacting surfaces as the thickness, roughness, and mechanical properties are considered explicitly. The next scale of the model corresponds to a resurfacing cap for the femur head rotating in the artificial acetabulum insert. Here, sliding friction is explicitly computed based on the effective coefficient of friction obtained at the previous scale. At the macroscale, the proximal part of the femur with a resurfacing cap is simulated at different loads. The bone is considered as a composite consisting of outer cortical and inner cancellous tissues, which are simulated within two approaches: the first implies their linear elastic behavior, the second considers these tissues as Boit’s poroelastic bodies. The later allows revealing the role of the interstitial biological fluid in the mechanical behavior of the bone. Based on the analysis of the obtained results, the plan for future works is proposed.

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Section: Modeling Friction In the Rotating Friction Pairmentioning

confidence: 99%

“…For comparison, based on the developed model we also studied friction between two cortical bone hemispheres (assuming them as a healthy joint) [47]. Cortical bone was considered as a linear elastic brittle material with the properties taken from [48] and shown in Table 2.…”

Section: Friction Of Bone-bone Pairmentioning

confidence: 99%

A Tool for Studying the Mechanical Behavior of the Bone–Endoprosthesis System Based on Multi-scale Simulation

Smolin

Eremina

Shilko

2020

Springer Tracts in Mechanical Engineering

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“…Also authors of work [13] studied stresses and strains in this system at different material pairs and loads, showing that they are similarly low as that in natural conditions . In turn, in the paper [21] the author has presented results of numerical tests for various arrangements of endoprosthesis, which were concerned wear of polyethylene cups, whereas in the work [22] modelling studies based on the movable cellular automaton (MCA) method indicated the promising use of metallic alloys with biocompatible ceramic coatings in friction pairs to increase the service life of hip resurfacing. Also authors of work [23] applied FeM to determine abrasive wear of UHMWPe for acetabular cup -head from CoCr alloy at different tilt angles.…”

Section: Introductionmentioning

confidence: 99%

Archives of Metallurgy and Materials

Mordal

Szarek

2020

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The article has been devoted to issues connected with the alloplasty and hip joint endoprostheses, that elements are being developed, which is supported by strength, tribological tests on used biomaterials, incl. polyethylene or computer modelling based on e.g. finite element method (FeM). In this paper, the results of research on the impact of the material articulations of the system head -acetabular and friction conditions on strength parameters of polyethylene components in the hip joint endoprosthesis. Numerical analysis of this friction node was carried out, using the AdINA System computer program and the simulations were performed at various friction conditions for metal/ polyethylene and ceramic/ polyethylene articulations with various UHMWPe modifications. The simulations results have shown the influence of tested material associations and friction conditions on parameters related to the strength of polyethylene cups, i.e. their displacements, stresses and deformations.

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Numerical modeling of the mechanical behavior of hip resurfacing endoprosthesis and healthy bone

Cited by 2 publications

References 21 publications

A Tool for Studying the Mechanical Behavior of the Bone–Endoprosthesis System Based on Multi-scale Simulation

A Tool for Studying the Mechanical Behavior of the Bone–Endoprosthesis System Based on Multi-scale Simulation

Archives of Metallurgy and Materials

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