Parareal convergence for 2D unsteady flow around a cylinder
نویسندگان
چکیده
In this technical report we study the convergence of Parareal for 2D incompressible flow around a cylinder for different viscosities. Two methods are used as fine integrator: backward Euler and a fractional step method. It is found that Parareal converges better for the implicit Euler, likely because it under-resolves the fine-scale dynamics as a result of numerical diffusion.
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ورودعنوان ژورنال:
- CoRR
دوره abs/1509.04252 شماره
صفحات -
تاریخ انتشار 2015