Algorithm for rigid-body Brownian dynamics

Dan Gordon*, Matthew Hoyles, Shin Ho Chung

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)


    We present an algorithm for performing rigid-body Brownian dynamics that can take into account the hydrodynamic properties (translational and rotational friction tensors and the coupling between them) of each rigid body. In the zero temperature limit, the error term scales as Δ4 for time step Δ, while at nonzero temperatures the error scaling is Δ5/2. We test the algorithm by applying it to a molecule of four-aminopyridine in water. We intend to use the algorithm to model the interaction between biological ion channels and other channel blocker molecules, but it may also have applicability to modeling other small particles such as colloids or nanoparticles.

    Original languageEnglish
    Article number066703
    JournalPhysical Review E
    Issue number6
    Publication statusPublished - 4 Dec 2009


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