Development and validation of a finite element model of a small female pedestrian.

abstract：:To analyze the biomechanical effect of syndesmotic screw through three and four cortices, a total of 12 finite element models simulating healthy ankles, tibiofibular syndesmosis injured ankles, and post-operative ankles by screw fixations through three or four cortices were built. A set of biomechanical data were obta...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Li H,Chen Y,Qiang M,Zhang K,Jiang Y,Zhang Y,Jia X

更新日期：2018-04-01 00:00:00

abstract：:A clear and rigorous definition of muscle moment-arms in the context of musculoskeletal systems modelling is presented, using classical mechanics and screw theory. The definition provides an alternative to the tendon excursion method, which can lead to incorrect moment-arms if used inappropriately due to its dependenc...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ingram D,Engelhardt C,Farron A,Terrier A,Müllhaupt P

更新日期：2015-01-01 00:00:00

abstract：:Three non-Newtonian blood viscosity models plus the Newtonian one are analysed for a patient-specific thoracic aorta anatomical model under steady-state flow conditions via wall shear stress (WSS) distribution, non-Newtonian importance factors, blood viscosity and shear rate. All blood viscosity models yield a consist...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Caballero AD,Laín S

更新日期：2015-08-01 00:00:00

abstract：:In pre-surgery decisions in hospital emergency cases, fast and reliable results of the solid and fluid mechanics problems are of great interest to clinicians. In the current investigation, an iterative process based on a pressure-type boundary condition is proposed in order to reduce the computational costs of blood f...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Afkari D,Gabaldón F

更新日期：2016-01-01 00:00:00

abstract：:When treating thoracolumbar burst fractures (BF), short-segment posterior fixation (SSPF) represents a less invasive alternative to the traditional long-segment posterior fixation (LSPF) approach. However, hardware failure and loss of sagittal alignment have been reported in patients treated with SSPF. Including pedic...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Elmasry S,Asfour S,Travascio F

更新日期：2017-10-01 00:00:00

abstract：:Accident statistics show that more than 80% of car-to-pedestrian collisions (CPC) occur when pedestrians cross the road. It is very important to establish a finite element model with natural walking posture to study the kinematics and injury mechanism of pedestrians. In this study, a finite element model of six-year-o...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Li H,Li K,Huang Y,Lv W,Cui S,He L,Ruan JS,Wang C

更新日期：2020-09-02 00:00:00

abstract：:Local oxygen lack in arterial walls (hypoxia) plays a very important role in the initiation, progression and development of intimal hyperplasia (IH) and thrombosis. Aiming to find out whether a helical-type artery bypass graft (ABG) is hypoxia beneficial, a numerical study was carried out to compare oxygen transport b...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zheng T,Wen J,Jiang W,Deng X,Fan Y

更新日期：2014-04-01 00:00:00

abstract：:The presence of a spiral arterial blood flow pattern in humans has been widely accepted. It is believed that this spiral component of the blood flow alters arterial haemodynamics in both positive and negative ways. The purpose of this study was to determine the effect of spiral flow on haemodynamic changes in aorta-re...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Javadzadegan A,Simmons A,Barber T

更新日期：2016-01-01 00:00:00

abstract：:The aim of this study was to present a new training algorithm using artificial neural networks called multi-objective least absolute shrinkage and selection operator (MOBJ-LASSO) applied to the classification of dynamic gait patterns. The movement pattern is identified by 20 characteristics from the three components o...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Andrade A,Costa M,Paolucci L,Braga A,Pires F,Ugrinowitsch H,Menzel HJ

更新日期：2015-01-01 00:00:00

abstract：:In order to improve the reliability of children's models, the aim of this study was to determine the subject-specific masses and 3D locations of the centres of mass (CoM) of body segments using biplanar X-rays. Previous methods, validated on upper leg segments, were applied to the whole body. Six children and six adul...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sandoz B,Laporte S,Skalli W,Mitton D

更新日期：2010-12-01 00:00:00

abstract：:The aim of the present study is to examine the impact absorption mechanism of the foot for different strike patterns (rearfoot, midfoot and forefoot) using a continuum mechanics approach. A three-dimensional finite element model of the foot was employed to estimate the stress distribution in the foot at the moment of ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Morales-Orcajo E,Becerro de Bengoa Vallejo R,Losa Iglesias M,Bayod J,Barbosa de Las Casas E

更新日期：2018-05-01 00:00:00

abstract：:The flow effect on the concentration of platelet active substances in the vicinity of a mural microthrombus is investigated numerically. A three-dimensional model is employed in which the mural microthrombus is modelled as a semisphere attached to a plane surface. The description of the blood flow uses the three-dimen...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Karner G,Perktold K

更新日期：1998-01-01 00:00:00

abstract：:The evaluation of muscle and joint forces in vivo is still a challenge. Musculo-Skeletal (musculo-skeletal) models are used to compute forces based on movement analysis. Most of them are built from a scaled-generic model based on cadaver measurements, which provides a low level of personalization, or from Magnetic Res...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dubois G,Rouch P,Bonneau D,Gennisson JL,Skalli W

更新日期：2016-11-01 00:00:00

abstract：:This paper presents a procedure for characterising the mechanical properties of skin using stochastic inverse identification. It is based on the minimisation of a cost function relative to the comparison between experimental suction experiments and their corresponding finite element models. Two different models are co...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Delalleau A,Josse G,Lagarde JM

更新日期：2012-01-01 00:00:00

abstract：:The purpose of this study was to propose an innovative approach of setting outlet boundary conditions for the computational fluid dynamics (CFD) simulation of human common carotid arteries (CCAs) bifurcation based on the concept of energy loss minimisation at flow bifurcation. Comparisons between this new approach and...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhang Y,Furusawa T,Sia SF,Umezu M,Qian Y

更新日期：2013-01-01 00:00:00

abstract：:This paper is concerned with the qualitative and quantitative description of the constitutive behaviour of dental composites during the curing process. Both generalized Kelvin- and Maxwell-models are studied and the parameters characterizing these models are determined by the means of an identification procedure based...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Hübsch PF,Middleton J,Feilzer AJ

更新日期：1999-01-01 00:00:00

abstract：:This study is aimed at setting a method of experimental parameter estimation for large-deforming nonlinear viscoelastic continuous fibre-reinforced composite material model. Specifically, arterial tissue was investigated during experimental research and parameter estimation studies, due to medical, scientific and soci...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sunbuloglu E,Bozdag E,Toprak T,Islak C

更新日期：2013-01-01 00:00:00

abstract：:The goal and clinical relevance of this work was the development of closed formulas that are correct and simple enough for a fast decision making by the orthodontist in the daily praxis. This paper performs a parametric three-dimensional finite element linear analysis on a maxillary central incisor with a root of para...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Provatidis CG

更新日期：2002-04-01 00:00:00

abstract：:The present paper describes a geometrically and physically nonlinear continuum model to study the mechanical behaviour of passive and active skeletal muscle. The contraction is described with a Huxley type model. A Distributed Moments approach is used to convert the Huxley partial differential equation in a set of ord...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Gielen AW,Oomens CW,Bovendeerd PH,Arts T,Janssen JD

更新日期：2000-01-01 00:00:00

abstract：:Monitoring of skin blood flow oscillations related with mechanical activity of vessels is a very useful modality during diagnosis of peripheral hemodynamic disorders. In this study, we developed a new model and technique for real-time conversion of skin temperature into skin blood flow oscillations, and vice versa. Th...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sagaidachnyi A,Fomin A,Usanov D,Skripal A

更新日期：2019-09-01 00:00:00

abstract：:Biomechanical imaging techniques have been developed for soft tissue characterisation and detection of breast tumours. Harmonic motion imaging (HMI) uses a focused ultrasound technology to generate a harmonic radiation force in a localised region inside a soft tissue. The resulting dynamic response is used to map the ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhao X,Pelegri AA

更新日期：2014-01-01 00:00:00

abstract：:Numerical predictions of blood flow patterns and hemodynamic stresses in Abdominal Aortic Aneurysms (AAAs) are performed in a two-aneurysm, axisymmetric, rigid wall model using the spectral element method. Homogeneous, Newtonian blood flow is simulated under steady conditions for the range of Reynolds numbers 10 < or ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Finol EA,Amon CH

更新日期：2002-08-01 00:00:00

abstract：:In this study, the effects of medial collateral ligament (MCL) release and the limb correction strategies with pre-existing MCL laxity on tibiofemoral contact force distribution after high tibial osteotomy (HTO) were investigated. The medial and lateral contact forces of the knee were quantified during simulated stand...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Purevsuren T,Khuyagbaatar B,Kim K,Kim YH

更新日期：2019-02-01 00:00:00

abstract：:This paper analyses the mechanical behaviour of a new reinforced anatomical post-systems (RAPS) for endodontic restoration. The composite restorative material (CRM) completely fills the root canal (as do the commonly used cast metal posts) and multiple prefabricated composite posts (PCPs) are employed as reinforcement...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Maceri F,Martignoni M,Vairo G

更新日期：2009-02-01 00:00:00

abstract：:Several opensource or commercially available software platforms are widely used to develop dynamic simulations of movement. While computational approaches are conceptually similar across platforms, technical differences in implementation may influence output. We present a new upper limb dynamic model as a tool to eval...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Saul KR,Hu X,Goehler CM,Vidt ME,Daly M,Velisar A,Murray WM

更新日期：2015-01-01 00:00:00

abstract：:The purpose of this study is to develop a system capable of performing calculation of temporal gait parameters using two low-cost wireless accelerometers and artificial intelligence-based techniques as part of a larger research project for conducting human gait analysis. Ten healthy subjects of different ages particip...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： López-Nava IH,Muñoz-Meléndez A,Pérez Sanpablo AI,Alessi Montero A,Quiñones Urióstegui I,Núñez Carrera L

更新日期：2016-01-01 00:00:00

abstract：:This study evaluated the polymerization shrinkage stress of three tooth preparation designs for indirect ceramic overlay by finite element analysis: isthmus preparation (IST); without isthmus preparation (wIST); and non-retentive preparation (nRET). The models were created based in prepared dental typodonts and were d...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： de Andrade GS,Pinto ABA,Tribst JPM,Chun EP,Borges ALS,de Siqueira Ferreira Anzaloni Saavedra G

更新日期：2021-01-07 00:00:00

abstract：:This work presents a biomechanical study of myringosclerosis (MS), an abnormal condition of the ear that produces calcification of the lamina propria of the eardrum. The study researched the transfer of sound to the stapes depending on the localization, dimension and calcification degree of the MS plaques. Results wer...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Berdich K,Gentil F,Parente M,Garbe C,Santos C,Paço J,Natal Jorge RM,Martins P,Faur N

更新日期：2016-02-01 00:00:00

abstract：:The effect on the signal amplitude of ultrasonic waves propagating along cortical bone plates was modelled using a 2D Finite Difference code. Different healing stages, represented by modified fracture geometries were introduced to the plate model. A simple transverse and oblique fracture filled with water was introduc...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dodd SP,Miles AW,Gheduzzi S,Humphrey VF,Cunningham JL

更新日期：2007-10-01 00:00:00

abstract：:Finite element analysis provides a means of describing cellular mechanics in tissue, which can be useful in understanding and predicting physiological and pathological changes. Many prior studies have been limited to simulations of models containing single cells, which may not accurately describe the influence of mech...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Bennetts CJ,Sibole S,Erdemir A

更新日期：2015-01-01 00:00:00