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Title: Practical Direct Unsteady Simulations of Turbomachines with GPUs

Time: 9:30 to 11:30, Sep. 17, 2018

Place: F207, School of Mechanical Engineering

Host: YANG Mingyang, Associate Professor (Institute of Internal Combustion Engine)

Abstract： 

Taking advantage of highly parallel processors such as Graphics Processing Units is the key to unlocking high performance in modern CFD solvers. In this talk, this opportunity is explored in the context of Turbostream, a highly scalable hybrid structured/unstructured CFD solver for flows in turbomachines. 

Using GPUs, high-fidelity methods such as unsteady full-annulus simulations can now be used as part of the routine turbomachinery design process for the first time. Several examples of such simulations which have been previously published are presented, including: 

- Stall inception in axial fans 

- Integrated aircraft and propulsor simulations 

- Unsteady simulations of cooled turbines

Biography：

Tobias is a Director of Turbostream Ltd. He obtained his MEng degree in 2007 and his PhD in 2012, both from the University of Cambridge. From 2012-2014 he was a Research Fellow at the Whittle Laboratory, where his research focused on how to best use emerging multi-core architectures for scientific computing. His work at Turbostream Ltd is focused on the practical application of the computational power of multi-core processors to real design settings.