International Journal for Numerical Methods in Biomedical Engineering

Cover image for Vol. 31 Issue 1

Edited By: Perumal Nithiarasu, Rainald Löhner, Guowei Wei

Impact Factor: 1.542

ISI Journal Citation Reports © Ranking: 2013: 23/52 (Mathematical & Computational Biology); 23/95 (Mathematics Interdisciplinary Applications); 39/76 (Engineering Biomedical)

Online ISSN: 2040-7947

Associated Title(s): International Journal for Numerical Methods in Engineering, International Journal for Numerical Methods in Fluids, International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, Numerical Linear Algebra with Applications

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Recently Published Articles

  1. Hemodynamic analysis of patient-specific coronary artery tree

    Jun-Mei Zhang, Tong Luo, Swee Yaw Tan, Aileen Mae Lomarda, Aaron Sung Lung Wong, Felix Yung Jih Keng, John Carson Allen, Yunlong Huo, Boyang Su, Xiaodan Zhao, Min Wan, Ghassan S. Kassab, Ru San Tan and Liang Zhong

    Article first published online: 25 FEB 2015 | DOI: 10.1002/cnm.2708

    Thumbnail image of graphical abstract

    In order to explore the linkage between coronary stenosis and hemodynamics, numerical simulation was applied to a patient-specific coronary artery tree model with multiple stenoses and a virtually healthy artery model in this study. Coronary plaque was found to form more likely in locations with disturbed flow conditions characterized by low WSS and high RRT or high WSS and low RRT. In contrast to anatomic parameters, hemodynamic environment, such as blood flow rate, plays an important role in stenosis formation.

  2. A finite element parametric study of clavicle fixation plates

    Megan Pendergast and Razvan Rusovici

    Article first published online: 23 FEB 2015 | DOI: 10.1002/cnm.2710

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    A finite element simulation on a fracture fixated clavicle was performed to study effects of different fracture fixation parameters on the callus region. Specifically, parameters such as plate material, thickness, plate/bone gap, screw length, and locking versus non-locking screws were explored. Plate thickness and locking versus non-locking screws were found to be influential to construct stiffness where plate/bone gap and number of screws were not as sensitive.

  3. A viscoelastic fluid–structure interaction model for carotid arteries under pulsatile flow

    Zhongjie Wang, Nigel B. Wood and Xiao Yun Xu

    Article first published online: 23 FEB 2015 | DOI: 10.1002/cnm.2709

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    This paper presents a fluid–structure interaction model incorporating viscoelastic wall properties that can be derived from in vivo measurements. By applying the fluid–structure interaction model to an idealized carotid artery under pulsatile flow, we have demonstrated its capability of predicting the viscoelastic wall behavior. Because the model is not limited to simple geometry, it can be applied to anatomically realistic arterial models. It also allows variations of stress and displacements within the vessel wall to be resolved.

  4. Development and implementation of a coupled computational muscle force optimization bone shape adaptation modeling method

    C. S. Florio

    Article first published online: 18 FEB 2015 | DOI: 10.1002/cnm.2699

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    Gradient-based optimization methods to calculate individual muscle force magnitudes are directly coupled with gradientless optimization methods to predict bone strength adaptations to study multisegment musculoskeletal system behavior. Using this tool, bone shape alterations that decrease surface stress variations for a number of examined conditions are identified. Quantitative comparisons of muscle activity, the ensuing bone shape adaptations, and their effects throughout the system provide means for an improved understanding of their interrelationships and the development of effective targeted strengthening exercises.

  5. Stochastic sensitivity analysis for timing and amplitude of pressure waves in the arterial system

    V. G. Eck, J. Feinberg, H. P. Langtangen and L. R. Hellevik

    Accepted manuscript online: 16 FEB 2015 03:24AM EST | DOI: 10.1002/cnm.2711