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Brownian dynamics of rigid body by fluctuating hydrodynamic equations |
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| Authors: | Anamika Pandey Axel Klar Sudarshan Tiwari |
| Institution: | 1. Technische Universität Kaiserslautern, Fachbereich Mathematik, Kaiserslautern, Germany;2. Technische Universität Kaiserslautern, Fachbereich Mathematik, Kaiserslautern, Germany
Anamika Pandey, phone +49 631 205 4412, fax +49 631 205 4986 Axel Klar, klar@mathematik.uni-kl.de Sudarshan Tiwari, tiwari@mathematik.uni-kl.de |
| Abstract: | In this work, Brownian dynamics of rigid body in an incompressible fluid with fluctuating hydrodynamic equations is presented. To demonstrate the Brownian motion of rigid body, fluctuating hydrodynamic equations have been coupled with equations of motion of rigid body. Thermal fluctuation is included in the fluid equations via random stress terms unlike the random terms in the conventional Brownian dynamics type approach. Calculation of random stress terms in the fluid is easier in comparison to the random terms in the particle motion. Direct numerical simulation for the Brownian motion of rigid body with a meshfree framework is analysed. (© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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