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Keywords: finite element
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Journal Articles
Article Type: Research-Article
J Biomech Eng. August 2022, 144(8): 081005.
Paper No: BIO-21-1061
Published Online: March 4, 2022
...Oliver J. Morgan; Howard J. Hillstrom; Rogerio Bitar; Daniel Sturnick; Matthew F. Koff; Scott J. Ellis; Jonathan T. Deland, III; Rajshree Hillstrom The foot is a highly complex biomechanical system for which finite element (FE) modeling has been used to evaluate its loading environment. However...
Journal Articles
Article Type: Research-Article
J Biomech Eng. March 2022, 144(3): 031003.
Paper No: BIO-21-1190
Published Online: October 11, 2021
... mechanical tests for assessment of plate fracture risk, this study applied loads of common activities of daily living (ADLs) to implanted femur finite element (FE) models with PFF fixation constructs with an existing or a healed PFF. Based on FE simulated plate mechanics, the standard four-point-bend test...
Journal Articles
Article Type: Research-Article
J Biomech Eng. July 2021, 143(7): 071007.
Paper No: BIO-20-1009
Published Online: April 7, 2021
... no guideline to select the optimal posterior fixation strategy for TL burst fracture. We utilized a T10-L3 TL finite element model to simulate L1 burst fracture and four surgical constructs with one- or two-level suprajacent and infrajacent instrumentation (U1L1, U1L2, U2L1, and U2L2). This study was aimed...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. January 2021, 143(1): 014505.
Paper No: BIO-19-1130
Published Online: November 23, 2020
... device (e.g., dummy) is required. Finite element model counterparts to the physical dummies are also useful tools in the evaluation of injury risk, but require validated constitutive material models used in the dummy. However, material model fitting can result in models that are over-fit: they match well...
Journal Articles
Article Type: Research-Article
J Biomech Eng. August 2020, 142(8): 081009.
Paper No: BIO-19-1260
Published Online: July 6, 2020
... of the interstitial fluid flow within the organ of corti (OoC). Three detailed finite element (FE) models of the cochlear short section (CSS) are studied. In model 1, the CSS is without fluids; model 2 includes the OoC fluid, but not the exterior scalae fluids; and model 3 is the CSS with both scalae and OoC fluids...
Journal Articles
Article Type: Research-Article
J Biomech Eng. August 2020, 142(8): 081003.
Paper No: BIO-19-1357
Published Online: March 27, 2020
..., but they are typically not predictive. The current study presents a novel integrated approach with high-speed stereo radiography, musculoskeletal modeling, and finite element (FE) modeling for evaluation of subject-specific, in vivo knee mechanics in a healthy subject performing a seated knee extension and weight...
Journal Articles
Article Type: Research-Article
J Biomech Eng. December 2019, 141(12): 121010.
Paper No: BIO-19-1161
Published Online: November 27, 2019
... e-mail:  baroc001@umn.edu 26 03 2019 17 10 2019 27 11 2019 artery biomechanics cardiovascular finite element dissection Ascending thoracic aortic aneurysms (ATAAs) are characterized by abnormal dilation of the ascending aorta, where the vessel exceeds its normal...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2020, 142(2): 021002.
Paper No: BIO-18-1487
Published Online: October 7, 2019
... remains unclear. Using finite element models with various femoral cartilage geometries, we explore how defects change cartilage deformation and joint kinematics assuming loading representative of the maximum joint compression during the stance phase of gait. We show how defects, in combination...
Journal Articles
Article Type: Research-Article
J Biomech Eng. November 2019, 141(11): 111010.
Paper No: BIO-19-1062
Published Online: July 31, 2019
... to the balance of vessel wall strength and the mechanical stress caused by systemic blood pressure. Previous finite element analyses of AAAs have shown that ILT can reduce and homogenize aneurysm wall stress. These works have largely considered ILT to be homogeneous in mechanical character or have idealized...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2019, 141(2): 021006.
Paper No: BIO-18-1208
Published Online: December 5, 2018
..., a three-dimensional (3D) finite element model of the L3–L4 spinal segment was generated and calibrated to axial compression and pure moment loading. The AF model explicitly recognizes the two heterogeneous networks of fibers. The presence of radial fibers demonstrated a pronounced effect on the local disc...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2019, 141(2): 021001.
Paper No: BIO-17-1506
Published Online: November 29, 2018
... received November 5, 2017; final manuscript received August 14, 2018; published online November 29, 2018. Assoc. Editor: David Corr. 05 11 2017 14 08 2018 transvaginal mesh complications pelvic organ prolapse pore diameter finite element Each year ∼300,000 women in the U.S...
Journal Articles
Article Type: Research-Article
J Biomech Eng. May 2014, 136(5): 051009.
Paper No: BIO-13-1493
Published Online: April 10, 2014
... the shear behavior of the interlamellar compartment would enhance the study of its mechanobiology. In this study, physical experiments were utilized to describe interlamellar shear and define a constitutive model, which was implemented into a finite element analysis. Ovine annulus fibrosus (AF) specimens...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2014, 136(2): 021021.
Paper No: BIO-13-1322
Published Online: February 5, 2014
... fibrillation, and delamination represent early signs of hip osteoarthritis (OA). This damage may be caused by elevated first principal (most tensile) strain and maximum shear stress. The objectives of this study were to use a population of validated finite element (FE) models of normal human hips to evaluate...
Journal Articles
Article Type: Research-Article
J Biomech Eng. July 2013, 135(7): 071007.
Paper No: BIO-13-1025
Published Online: June 11, 2013
... in the cell filament network, and altered how the cell changed its shape under tension. Findings from this study have implications on understanding how cells interact with their surrounding ECM, as well as in the context of mechanosensation. biomechanics finite element multiscale modeling cell-matrix...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. May 2013, 135(5): 054502.
Paper No: BIO-12-1239
Published Online: April 24, 2013
... of models were developed in which a circulatory system model was coupled to an existing series of finite element (FE) models of the left ventricle (LV). The circulatory models were used to provide realistic boundary conditions for the LV models. This was developed for the JSim analysis package...
Journal Articles
Article Type: Research-Article
J Biomech Eng. April 2013, 135(4): 041002.
Paper No: BIO-12-1228
Published Online: April 2, 2013
... between the two models was less than 5%. Fig. 1 The finite element model of an intact tibiofemoral joint A left human knee joint (healthy female volunteer, 36 years old) at full extension was scanned by magnetic resonance imaging (ESAOTE/Artoscan-C, GE group) under the following settings...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021003.
Paper No: BIO-12-1492
Published Online: February 11, 2013
... of the finite element model [ 385 ]. These methods are an exciting new direction, coupling FEA and growth models for understanding the mechanical regulation in healing and in tissue-engineering applications. Insights from computational models using constitutive models with specific collagen fiber...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. November 2012, 134(11): 114501.
Published Online: October 11, 2012
...Kevin L. Troyer; Snehal S. Shetye; Christian M. Puttlitz Finite element (FE) models of articular joint structures do not typically implement the fully nonlinear viscoelastic behavior of the soft connective tissue components. Instead, contemporary whole joint FE models usually represent...
Journal Articles
Article Type: Research Papers
J Biomech Eng. January 2012, 134(1): 011006.
Published Online: February 9, 2012
... world crash data reported in the Crash Injury Research and Engineering Network (CIREN) database, finite element (FE) models of vehicles, and the Wayne State Human Body Model - II (WSHBM). For the eight CIREN cases reconstructed, the high strain regions in the aorta closely matched with the autopsy data...
Journal Articles
Article Type: Research Papers
J Biomech Eng. January 2012, 134(1): 011005.
Published Online: February 9, 2012
.... This lack of a tailored software environment has hampered research progress, as well as dissemination of models and results. To address these issues, we developed the FEBio software suite (http://mrl.sci.utah.edu/software/febio), a nonlinear implicit finite element (FE) framework, designed specifically...