By Yuri Bazilevs, Kenji Takizawa
This contributed quantity celebrates the paintings of Tayfun E. Tezduyar at the social gathering of his sixtieth birthday. The articles it comprises have been born out of the Advances in Computational Fluid-Structure interplay and circulation Simulation (AFSI 2014) convention, additionally devoted to Prof. Tezduyar and held at Waseda collage in Tokyo, Japan on March 19-21, 2014. The contributing authors symbolize a bunch of foreign specialists within the box who speak about fresh developments and new instructions in computational fluid dynamics (CFD) and fluid-structure interplay (FSI). equipped into seven distinctive elements prepared by way of thematic issues, the papers integrated conceal easy equipment and purposes of CFD, flows with relocating barriers and interfaces, phase-field modeling, desktop technological know-how and high-performance computing (HPC) facets of circulation simulation, mathematical equipment, biomedical functions, and FSI. Researchers, practitioners, and complex graduate scholars engaged on CFD, FSI, and comparable issues will locate this assortment to be a definitive and important resource.
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Additional info for Advances in Computational Fluid-Structure Interaction and Flow Simulation: New Methods and Challenging Computations
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The simulation is carried out during an interval of the expiration phase of the breathing cycle, when the water column rise forces airflow through the turbine. 4% above the design condition. 2 kg/m3 and 1:51 10 5 m2 /s. The Reynolds number based on the tip speed is 2:594 106 . The time integration is a second-order implicit Runge–Kutta method, with a timestep size of 1:38 10 5 s, which translates to 4:34 10 3 radians per time step. The number of nonlinear iterations per time is 6. In solving the linear equation systems, we use 5 GMRES iterations with SOR preconditioning.
3 Thermal Boundary Layer Problem Consider the problem statement shown in Fig. 2:0y; 0:0/, and diffusivity k D 7:0 10 4 . The domain is taken as Œ0:0; 1:0 Œ0:0; 0:5 and is discretized by 31 16 nodes. This problem can be interpreted as one exhibiting a thermal boundary layer on a steady flow between two plates, where the top plate has unit velocity and the bottom plate is fixed. The grid Péclet number calculated from the advection speed at the top surface of the domain and the chosen nodal spacing is larger than unity.