Flow around fishlike shapes studied using multiparticle collision dynamics

D.A.P. Reid, H. Hildenbrandt, J.T. Padding, C.K. Hemelrijk

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    Abstract

    Empirical measurements of hydrodynamics of swimming fish are very difficult. Therefore, modeling studies may be of great benefit. Here, we investigate the suitability for such a study of a recently developed mesoscale method, namely, multiparticle collision dynamics. As a first step, we confine ourselves to investigations at intermediate Reynolds numbers of objects that are stiff. Due to the lack of empirical data on the hydrodynamics of stiff fishlike shapes we use a previously published numerical simulation of the shapes of a fish and a tadpole for comparison. Because the shape of a tadpole resembles that of a circle with an attached splitter plate, we exploit the knowledge on hydrodynamic consequences of such an attachment to test the model further and study the effects of splitter plates for objects of several shapes at several Reynolds numbers. Further, we measure the angles of separation of flow around a circular cylinder and make small adjustments to the boundary condition and the method to drive the flow. Our results correspond with empirical data and with results from other models. © 2009 The American Physical Society.
    Original languageEnglish
    Article number046313
    Pages (from-to)046313-1/7
    Number of pages7
    JournalPhysical Review E
    Volume79
    Issue number4
    DOIs
    Publication statusPublished - 2009

    Fingerprint

    Collision
    Hydrodynamics
    collisions
    hydrodynamics
    fishes
    Fish
    Reynolds number
    circular cylinders
    Circular Cylinder
    attachment
    Adjustment
    Circle
    adjusting
    boundary conditions
    Boundary conditions
    Angle
    Numerical Simulation
    Modeling
    Model
    simulation

    Cite this

    Reid, D. A. P., Hildenbrandt, H., Padding, J. T., & Hemelrijk, C. K. (2009). Flow around fishlike shapes studied using multiparticle collision dynamics. Physical Review E, 79(4), 046313-1/7. [046313]. https://doi.org/10.1103/PhysRevE.79.046313
    Reid, D.A.P. ; Hildenbrandt, H. ; Padding, J.T. ; Hemelrijk, C.K. / Flow around fishlike shapes studied using multiparticle collision dynamics. In: Physical Review E. 2009 ; Vol. 79, No. 4. pp. 046313-1/7.
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    Reid, DAP, Hildenbrandt, H, Padding, JT & Hemelrijk, CK 2009, 'Flow around fishlike shapes studied using multiparticle collision dynamics', Physical Review E, vol. 79, no. 4, 046313, pp. 046313-1/7. https://doi.org/10.1103/PhysRevE.79.046313

    Flow around fishlike shapes studied using multiparticle collision dynamics. / Reid, D.A.P.; Hildenbrandt, H.; Padding, J.T.; Hemelrijk, C.K.

    In: Physical Review E, Vol. 79, No. 4, 046313, 2009, p. 046313-1/7.

    Research output: Contribution to journalArticleAcademicpeer-review

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