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Possibility of Implicit LES for Two-Dimensional Incompressible Lid-Driven Cavity Flow Based on COMSOL Multiphysics


M. Hashiguchi1
1Keisoku Engineering System Co., Ltd. Chiyoda-ku, Tokyo, Japan


Instantaneous vorticity of lid-driven square cavity flow.

In the present paper, possibility of implicit large eddy simulation(LES) by using the laminar flow interface of COMSOL Multiphysics Ver.4.3a, has been examined for two-dimensional lid-driven cavity flow with the Reynolds number up to 1,000,000. The flow computations with time-dependent study step were executed stable for all cases treated here, even though no turbulence model is used. Although we need further study, the present result obtained based on fine mesh of 400x400 and less numerical diffusion suggests a possibility of implicit LES by using the laminar flow interface of COMSOL Multiphysics Ver.4.3a.

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