MODELING AND SIMULATION OF MECHANICAL BEHAVIOR IN KNEE JOINT UNDER GAIT

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SEPEHRI BEHROOZ; MOHAMMADI ESFAHANI HOJJAT; FIROUZI FARAMARZ

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Paper Information

Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:8 Page(s): 0-0

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Title

MODELING AND SIMULATION OF MECHANICAL BEHAVIOR IN KNEE JOINT UNDER GAIT

Author(s)

SEPEHRI BEHROOZ | MOHAMMADI ESFAHANI HOJJAT | FIROUZI FARAMARZ | Issue Writer Certificate

Keywords

ARTICULAR CARTILAGE FINITE ELEMENT MODELINGQ1

DYNAMIC LOADINGQ2

MECHANICAL PROPERTIESQ1

Abstract

Mechanical behavior of articular cartilage is affected by many factors. Inhomogeneous distribution ofproteoglycans and collagen fibers through the thickness causes some depth-wise behavior. Mechanicalproperties directly affect stress and deformation of the tissue. In previous studies complexities andvariation in MECHANICAL PROPERTIES were ignored. The aim of the present study is to create a model closeto real anatomy of articular cartilage in knee joint and to simulate its behavior under dynamic gate in thestance phase.A 3D finite element (FE) model was created. It was constructed considering femur and tibialcartilages as well as medial and lateral meniscus. In the FE model, a nonlinear isotropic viscoelasticmaterial model was used for cartilages and linear anisotropic elastic one was chosen for meniscuses.Morever, cartilages were assumed saturated. Numerical simulations on the model showed that peak ofmaximum principal stress occurred in superficial layer. It was decreased through thickness. Thisexplains the existence of osteoarthritis in the exterior layers. The present study showed that hydraulicpermeability variation in cartilage as a strain-dependent variable was negligible in DYNAMIC LOADING.Also, results showed good agreement with experimental ones.

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APA: Copy

SEPEHRI, BEHROOZ, MOHAMMADI ESFAHANI, HOJJAT, & FIROUZI, FARAMARZ. (2016). MODELING AND SIMULATION OF MECHANICAL BEHAVIOR IN KNEE JOINT UNDER GAIT. MODARES MECHANICAL ENGINEERING, 16(8), 0-0. SID. https://sid.ir/paper/356072/en

Vancouver: Copy

SEPEHRI BEHROOZ, MOHAMMADI ESFAHANI HOJJAT, FIROUZI FARAMARZ. MODELING AND SIMULATION OF MECHANICAL BEHAVIOR IN KNEE JOINT UNDER GAIT. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(8):0-0. Available from: https://sid.ir/paper/356072/en

IEEE: Copy

BEHROOZ SEPEHRI, HOJJAT MOHAMMADI ESFAHANI, and FARAMARZ FIROUZI, “MODELING AND SIMULATION OF MECHANICAL BEHAVIOR IN KNEE JOINT UNDER GAIT,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 8, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/356072/en

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