Biphasic model of cartilage

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August undefined, 2024

WebFeb 1, 1980 · We also concluded that 1) a nonlinearly permeable biphasic model, where the permeability function is given by an experimentally determined empirical law: k = A(p) …

Fibril-Network-Reinforced Biphasic Model of Cartilage in …

WebMar 17, 2024 · (3) Compared with hyperelastic model, the biphasic models may reflect the mechanical characteristics of cartilage thoroughly 31,32,33. Thus, the relaxation or creep experiments need to be ... WebFeb 1, 2008 · Abstract. A material model of articular cartilage is formulated, and fundamental problems are analyzed. The soft tissue is assumed to comprise two phases: solid and fluid. The biphasic theory proposed by Spilker and Suh (1990) to deal with such materials is reviewed, and some new additional analyses are carried out on the basis of … gps wilhelmshaven personalabteilung

2.5 Biphasic Material FEBio Documentation

WebApr 1, 2024 · This biphasic theory models AC as composite materials consisting of a solid phase (solid like components of the cartilage, proteoglycans, collagen, cells and lipids … WebMay 30, 2014 · The cartilage layer is an inhomogeneous fibre-reinforced structure. 4,15,16 Previous studies using models of cylindrical cartilage sections have demonstrated that the constitutive relationship proposed by Ateshian’s group, in which the tensile and compressive behaviour are different, captures the mechanical performance of the tissue more ... WebJan 1, 2014 · The conewise model was later combined with the biphasic poroviscoelastic model in order to capture load responses of unconfined compression and uniaxial tension simultaneously (Huang et al., 2001). The triphasic and biphasic models predict almost the same equilibrium responses (Ateshian et al., 2004). The reason for that is the … gps wilhelmshaven

Fibril-Network-Reinforced Biphasic Model of Cartilage in …

Biphasic Finite Element Modeling Reconciles Mechanical …

WebApr 28, 2024 · Articular cartilage (AC) in the hip is a remarkable connective tissue that facilitates joint movement. Biomechanically, the AC is a unique biphasic material mainly composed of a solid extracellular matrix and a fluid phase (Mow et al. 1980), with the fluid phase playing a pivotal role in the mechanical behaviour of the AC, making the biphasic … WebA linear viscoelastic biphasic model for soft tissues based on the Theory of Porous Media. Berichte aus dem Institut für Mechanik (Bauwesen), Nr. 99-II-3, Universität Stuttgart, Stuttgart, 1999. ... S. Finite clement formulation of biphasic poroviscoelastic model of articular cartilage. J. biomech. Engng, 120, 195–201, 1998. CrossRef Google ... gps whvWebFrom the experimental results and the biphasic poroviscoelastic theory, we found that frictional drag associated with interstitial fluid flow and fluid pressurization are the dominant mechanisms of load support in the intact specimens, i.e. the flow-dependent mechanisms alone were sufficient to describe normal articular cartilage compressive ... gps wild about hunting medium range bag

"WebFeb 1, 1980 · We also concluded that 1) a nonlinearly permeable biphasic model, where the permeability function is given by an experimentally determined empirical law: k = A(p) exp [α(p)e], can be used to describe more accurately the rheological properties of articular cartilage, and 2) the frictional drag of relative motion is the most important factor ... " - Biphasic model of cartilage

Biphasic model of cartilage

(PDF) The Biomechanics of Cartilage—An Overview

WebApr 24, 2024 · The relative scarcity of 3-D constitutive models of cartilage speaks to the challenges of capturing the tissue’s complex behavior in a computation model. Existing 3-D, large-strain FE models of articular cartilage use single-phase (e.g., [31, 87, 88]), biphasic, and multi-phasic models, some at considerable computational cost. WebApr 1, 2001 · The biphasic poroviscoelastic (BPVE) model is a mathematical model for articular cartilage, which describes the apparent viscoelasticity exhibited by the tissue …

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WebCartilage mechanical function relies on a composite structure of a collagen fibrillar network entrapping a proteoglycan matrix. Previous biphasic or poroelastic models of this … http://web.mit.edu/cortiz/www/3.052/3.052CourseReader/27_BiomechanicsofCartilage.pdf

http://web.mit.edu/cortiz/www/3.052/3.052CourseReader/27_BiomechanicsofCartilage.pdf WebCartilage material properties provide important insights into joint health, and cartilage material models are used in whole-joint finite element models. Although the biphasic model representing experimental creep indentation tests is commonly used to characterize cartilage, cartilage short-term response to loading is generally not characterized ...

WebApr 14, 2024 · 5 Using Models to Investigate Pathways to Cartilage Failure. Synovial joint lubrication is one of the key roles of articular cartilage. Synovial joints can experience very small frictional force, with initial friction coefficient ranging from 0.005 to 0.02, while bearing extremely large mechanical stress [ 41, 42 ]. WebApr 21, 2009 · In particular, this model can predict the transition of Poisson’s ratio from very low values in compression (∼ 0.02) to very high values in tension (∼ 2.0) ⁠. Most of these phenomena cannot be explained when using only three orthogonal fiber bundles to describe the tissue matrix, a common modeling assumption used to date.

WebThe zone of calcified cartilage is the mineralized region of articular cartilage that anchors the hyaline cartilage to the subchondral bone and serves to disperse mechanical forces …

WebRevised model for biphasic contacts Other authors Tribological and material properties for cartilage of and throughout the bovine stifle: … gps will be named and shamedWebNov 25, 2011 · The biphasic model is the most traditional model of articular cartilage and other fluid-saturated tissue which takes the interstitial fluid movement into account (Mow … gps west marineWebCartilage is a multi-phase material composed of fluid and electrolytes (68-85% by wet weight), proteoglycans (5-10% by wet weight), chondrocytes, collagen fibres and other … gps winceWebThe content of glycosaminoglycan in intervertebral soft tissues and the permeability of cartilage endplates are two critical factors that affect the fluid-dependent viscoelastic responses of intervertebral discs. ... Four biphasic swelling-based finite element models are developed and quantitatively validated. Four quasi-static test protocols ... gps weather mapWebApr 14, 2024 · Articular cartilage is a hydrated macromolecular composite mainly composed of type II collagen fibrils and the large proteoglycan, aggrecan. Aggrecan is a key determinant of the loadLoad bearing and energy dissipation functions of cartilageCartilage. ... Soulhat J, Buschmann MD, Shirazi-Adl A (1999) A fibril-network-reinforced biphasic … gpswillyWebApr 14, 2024 · There are several constitutive material models in the literature that can characterize cartilage mechanics in different loading scenarios. Briefly, traditional poroelastic and biphasic models can distinguish between solid and fluid phases [32, 48]. When combined with anisotropic properties of the solid matrix, these models can also … gps w farming simulator 22 link w opisieWebConstitutive Model. We described cartilage as a biphasic continuum î= îS+ î of a porous solid phase îS saturated with a fluid phase îF. We calculated the total Cauchy stress as [7,8] Ë=− L ÷+2 éS ô S !ΨS ! S ôS T=− L ÷+ Ë E S, (1) where L is the fluid pressure, ÷ is the identity, éS is the partial density gps wilhelmshaven duales studium