Shape optimization of a cementless hip stem for a minimum of interface stress and displacement.

abstract：:The purpose of this simulation study was to analyze the effect of variation in Knee-Ankle-Foot-Orthosis stiffness on the joint power and the energy cost of walking. The effect of contractile tissue was simulated using linear elastic spring and viscous dampers in knee and ankle joints. Then, joint angles, ground reacti...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Abtahi SMA,Jamshidi N,Ghaziasgar A

更新日期：2018-02-01 00:00:00

abstract：:Rupture of intracranial saccular aneurysms continues to result in significant morbidity and mortality. Although it has long been thought that biomechanical factors play key roles in the genesis, growth, and rupture of these lesions, few analysis have employed realistic descriptions of the geometries and material prope...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Shah AD,Harris JL,Kyriacou SK,Humphrey JD

更新日期：1998-01-01 00:00:00

abstract：:Both inter-lamellar and intra-lamellar failures of the annulus have been described as potential modes of disc herniation. Attempts to characterize initial lamellar failure of the annulus have involved tensile testing of small tissue samples. The purpose of this study was to evaluate a method of measuring local surface...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Karakolis T,Callaghan JP

更新日期：2015-01-01 00:00:00

abstract：:The extracellular matrix (ECM) provides structural and biochemical support to cells and tissues, which is a critical factor for modulating cell dynamic behavior and intercellular communication. In order to further understand the mechanisms of the interactive relationship between cell and the ECM, we developed a three-...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dong S,Huang Z,Tang L,Zhang X,Zhang Y,Jiang Y

更新日期：2017-07-01 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：:Sparse geometric information from limited field-of-view medical images is often used to reconstruct the femur in biomechanical models of the hip and knee. However, the full femur geometry is needed to establish boundary conditions such as muscle attachment sites and joint axes which define the orientation of joint loa...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhang J,Besier TF

更新日期：2017-04-01 00:00:00

abstract：:Design optimization for cementless hip prosthesis signifies one of the key topics of research to improve its performances. However, majority of the studies have not considered the presence of uncertainties while it has been shown that a deterministic optimization leads to an unreliable design. In this paper, a multi-o...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dammak K,El Hami A

更新日期：2020-09-01 00:00:00

abstract：:Peristaltic motion of a non-Newtonian Carreau fluid is analyzed in a curved channel under the long wavelength and low Reynolds number assumptions, as a simulation of digestive transport. The flow regime is shown to be governed by a dimensionless fourth-order, nonlinear, ordinary differential equation subject to no-sli...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ali N,Javid K,Sajid M,Anwar Bég O

更新日期：2016-01-01 00:00:00

abstract：:Understanding of cancellous bone permeability is lacking despite its importance in designing tissue engineering scaffolds for bone regeneration and orthopaedic surgery that relies on infiltration of bone cement into porous cancellous bone. We employed micro-computational fluid dynamics to investigate permeability for ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Teo JC,Teoh SH

更新日期：2012-01-01 00:00:00

abstract：:This paper proposes a micromechanics algorithm utilising the finite element method (FEM) for the analysis of heterogeneous matter. The characterisation procedure takes the material properties of the constituents, axons and extracellular matrix (ECM) as input data. The material properties of both the axons and the matr...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Abolfathi N,Naik A,Sotudeh Chafi M,Karami G,Ziejewski M

更新日期：2009-06-01 00:00:00

abstract：:Burns in the airway from inhaling hot gases lead to one of the most common causes of death in the United States. In order to navigate tissues with large burn areas, the velocity, temperature, and heat flux distributions throughout the human airway system are computed for the inhalation of hot air using the finite-elem...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Park S

更新日期：2016-01-01 00:00:00

abstract：:In this review, we provide an overview of the simulation techniques employed for modelling the flow of red blood cells (RBCs) in blood plasma. The scope of this review omits the fluid modelling aspect while focusing on other key components in the RBC-plasma model such as (1) describing the RBC deformation with shell-b...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ju M,Ye SS,Namgung B,Cho S,Low HT,Leo HL,Kim S

更新日期：2015-01-01 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：:The 2D shape of the lumbar spine in the sagittal plane can be determined from lordosis angles measured between the corresponding end-plates of the vertebral bodies or by using an active shape model (ASM) of the vertebral body outline. The ASM was previously shown to be a more efficient and reliable method, but its acc...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ali AH,Cowan AB,Gregory JS,Aspden RM,Meakin JR

更新日期：2012-01-01 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：OBJECTIVES:The purpose of this study is to develop a validated 3D finite element model of the pelvic floor system which can offer insights into the mechanics of anterior vaginal wall prolapse and have the ability to assess biomedical device treatment methods. The finite element results should accurately mimic the clini...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Yang Z,Hayes J,Krishnamurty S,Grosse IR

更新日期：2016-12-01 00:00:00

abstract：:Soft tissue modelling has gained a great deal of importance, for a large part due to its application in surgical training simulators for minimally invasive surgery (MIS). This article provides a structured overview of different continuum-mechanical models that have been developed over the years. It aims at facilitatin...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Famaey N,Vander Sloten J

更新日期：2008-08-01 00:00:00

abstract：:In this study we aim at investigating the applicability of underwater 3D motion capture based on submerged video cameras in terms of 3D accuracy analysis and trajectory reconstruction. Static points with classical direct linear transform (DLT) solution, a moving wand with bundle adjustment and a moving 2D plate with Z...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Silvatti AP,Cerveri P,Telles T,Dias FA,Baroni G,Barros RM

更新日期：2013-01-01 00:00:00

abstract：:Oral cancer surgery has a negative influence on the quality of life (QOL). As a result of the complex physiology involved in oral functions, estimation of surgical effects on functionality remains difficult. We present a user-friendly biomechanical simulation of tongue surgery, including closure with suturing and scar...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Kappert KDR,van Alphen MJA,van Dijk S,Smeele LE,Balm AJM,van der Heijden F

更新日期：2019-06-01 00:00:00

abstract：:Musculoskeletal research questions regarding the prevention or rehabilitation of the hand can be addressed using inverse dynamics simulations when experiments are not possible. To date, no complete human hand model implemented in a holistic human body model has been fully developed. The aim of this work was to develop...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Engelhardt L,Melzner M,Havelkova L,Fiala P,Christen P,Dendorfer S,Simon U

更新日期：2020-12-10 00:00:00

abstract：:Cell-cell and cell-matrix adhesions are fundamental to numerous physiological processes, including angiogenesis, tumourigenesis, metastatic spreading and wound healing. We use cellular potts model to computationally predict the organisation of cells within a 3D matrix. The energy potentials regulating cell-cell (JCC) ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Singh J,Hussain F,Decuzzi P

更新日期：2015-01-01 00:00:00

abstract：:Retinal blood vessel detection and analysis play vital roles in early diagnosis and prevention of several diseases, such as hypertension, diabetes, arteriosclerosis, cardiovascular disease and stroke. This paper presents an automated algorithm for retinal blood vessel segmentation. The proposed algorithm takes advanta...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Saleh MD,Eswaran C

更新日期：2012-01-01 00:00:00

abstract：:The aim of this study was to evaluate the stress distributions and deformations of the temporomandibular joint (TMJ) during different periods before and after sagittal split ramus osteotomy (SSRO). A three-dimensional finite element model of the mandible and TMJ was established, based on the preoperative CT of a patie...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Liu Z,Shu J,Zhang Y,Fan Y

更新日期：2018-08-01 00:00:00

abstract：:Modeling tumor growth in biological systems is a challenging problem with important consequences for diagnosis and treatment of various forms of cancer. This growth process requires large simulation complexity due to evolving biological and chemical processes in living tissue and interactions of cellular and vascular ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Puzyrev V,Łoś M,Gurgul G,Calo V,Dzwinel W,Paszyński M

更新日期：2019-12-01 00:00:00

abstract：:Numerical modelling of the cardiovascular system is becoming an important tool for assessing the influence of heart disease and treatment therapies. In the current study, we present an approach for modelling the interaction between the heart and the circulatory system. This was accomplished by creating animal-specific...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Wenk JF,Ge L,Zhang Z,Soleimani M,Potter DD,Wallace AW,Tseng E,Ratcliffe MB,Guccione JM

更新日期：2013-01-01 00:00:00

abstract：:This study is devoted to the development of a non-linear anisotropic model for the human periodontal ligament (PDL). A thorough knowledge of the behaviour of the PDL is vital in understanding the mechanics of orthodontic tooth mobility, soft tissue response and proposed treatment plans. There is considerable evidence ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhurov AI,Limbert G,Aeschlimann DP,Middleton J

更新日期：2007-06-01 00:00:00

abstract：:Factors related to micromovements at bone-implant interface have been studied because they are considered adverse to osseointegration. Simplifications are commonly observed in these FEA evaluations. The aim of this study was to clarify the influence of FEA parameters (boundary conditions and bone properties) on the st...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dos Santos MBF,Meloto GO,Bacchi A,Correr-Sobrinho L

更新日期：2017-06-01 00:00:00

abstract：:Stress analysis determines vulnerability of dental tissues to external loads. Stress values depend on loading conditions, mechanical properties and constrains of structural components. The critical stress levels lead to tissue damage. The aim of this study is to analyse dynamic stress distribution of lower second prem...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Khani MM,Tafazzoli-Shadpour M,Aghajani F,Naderi P

更新日期：2009-10-01 00:00:00

abstract：:The current study aimed to evaluate physical training effects. For this purpose, a classifier was implemented by taking into account biomechanical features selected from force-plate measurements and a neurofuzzy algorithm for data management and relevant decision-making. Measurements included two sets of sit-to-stand ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Vannozzi G,Pecoraro F,Caserotti P,Cappozzo A

更新日期：2008-02-01 00:00:00

abstract：:New trends of numerical models of human joints require more and more computation of both large amplitude joint motions and fine bone stress distribution. Together, these problems are difficult to solve and very CPU time consuming. The goal of this study is to develop a new method to diminish the calculation time for t...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Büchler P,Rakotomanana L,Farron A

更新日期：2002-12-01 00:00:00