International Journal for Numerical Methods in Biomedical Engineering

Cover image for Vol. 31 Issue 9

Edited By: Perumal Nithiarasu, Rainald Löhner, Guowei Wei

Impact Factor: 2.052

ISI Journal Citation Reports © Ranking: 2014: 16/56 (Mathematical & Computational Biology); 18/99 (Mathematics Interdisciplinary Applications); 30/76 (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. Constructing a three-dimensional electrical model of a living cochlear implant user's cochlea

    T. K. Malherbe, T. Hanekom and J. J. Hanekom

    Accepted manuscript online: 2 OCT 2015 01:40PM EST | DOI: 10.1002/cnm.2751

  2. Particle transport in the human respiratory tract: formulation of a nodal inverse distance weighted Eulerian–Lagrangian transport and implementation of the Wind–Kessel algorithm for an oral delivery

    Ravishekar Kannan, Peng Guo and Andrzej Przekwas

    Article first published online: 1 OCT 2015 | DOI: 10.1002/cnm.2746

    Thumbnail image of graphical abstract

    Efficient computational methods are developed and implemented to accurately quantify the transport and deposition of the microsized particles in the human respiratory tract. Development of a new Wind–Kessel boundary condition algorithm allows the re-entry of ‘escaped’ particles through the outlets. The deposition rates in different regions were in reasonable accord with the Typical Path Length model.

  3. A numerical framework to investigate hemodynamics during endovascular mechanical recanalization in acute stroke

    Michael Neidlin, Martin Büsen, Carolin Brockmann, Martin Wiesmann, Simon J. Sonntag, Ulrich Steinseifer and Tim A. S. Kaufmann

    Accepted manuscript online: 29 SEP 2015 10:33PM EST | DOI: 10.1002/cnm.2748

  4. CT segmentation of dental shapes by anatomy-driven reformation imaging and B-spline modelling

    S. Barone, A. Paoli and A. V. Razionale

    Accepted manuscript online: 29 SEP 2015 10:47AM EST | DOI: 10.1002/cnm.2747

  5. Numerical modeling of heart valves using resistive Eulerian surfaces

    Aymen Laadhari and Alfio Quarteroni

    Article first published online: 23 SEP 2015 | DOI: 10.1002/cnm.2743

    Thumbnail image of graphical abstract

    The goals of this work are the development and numerical implementation of a mathematical model describing the functioning of heart valves. To couple the pulsatile blood flow with a highly deformable thin structure (the valve's leaflets), a resistive Eulerian surfaces framework is adopted. A lumped-parameter model helps to couple the movement of the leaflets with the blood dynamics. A reduced circulation model describes the systemic hemodynamics and provides a physiological pressure profile at the downstream boundary of the valve. The resulting model is relatively simple to describe for both a healthy valve and pathological heart valve functioning, while featuring an affordable computational burden. Efficient time and spatial discretizations are considered and implemented. We address in detail the main features of the proposed method, and we report several numerical experiments for both two-dimensional and three-dimensional cases with the aim of illustrating its accuracy.