Simulating train-tunnel aerodynamics with a parallel adaptive Cartesian method
Simulating train-tunnel aerodynamics with a parallel adaptive Cartesian method
As velocities of high speed trains increase, the loads created by pressure waves ahead and after a train have become an important design criterion. Predictive aerodynamic simulation of these transient phenomena requires an efficient approach to simulate the air flows around vehicles that move through a geometrically complex environment. Here, we describe a Cartesian embedded boundary approach combined with dynamic block-structured adaptive mesh refinement, implemented in our AMROC framework. After validation for a laboratory tunnel simulator, the passage of prototypical train bodies in the open as well as in a realistic tunnel are simulated with high computational efficiency. Ease of the problem setup as well as scalable, quasi-automatic execution confirm the relevance the approach as an efficient computational tool for the investigation of transient train aerodynamics.
aerodynamics simulation, tunnel boom, Cartesian method, fluid-structure coupling
Deiterding, Ralf
ce02244b-6651-47e3-8325-2c0a0c9c6314
Garro Fernandez, Jose Miguel
13e54601-9141-4bb1-9962-c4889a3434af
4 June 2019
Deiterding, Ralf
ce02244b-6651-47e3-8325-2c0a0c9c6314
Garro Fernandez, Jose Miguel
13e54601-9141-4bb1-9962-c4889a3434af
Deiterding, Ralf and Garro Fernandez, Jose Miguel
(2019)
Simulating train-tunnel aerodynamics with a parallel adaptive Cartesian method.
Ivanyi, P. and Topping, B.H.V.
(eds.)
In Proceedings of the Sixth International Conference on Parallel, Distributed, GPU and Cloud Computing for Engineering.
vol. 112,
Civil-Comp Press.
14 pp
.
(doi:10.4203/ccp.112.9).
Record type:
Conference or Workshop Item
(Paper)
Abstract
As velocities of high speed trains increase, the loads created by pressure waves ahead and after a train have become an important design criterion. Predictive aerodynamic simulation of these transient phenomena requires an efficient approach to simulate the air flows around vehicles that move through a geometrically complex environment. Here, we describe a Cartesian embedded boundary approach combined with dynamic block-structured adaptive mesh refinement, implemented in our AMROC framework. After validation for a laboratory tunnel simulator, the passage of prototypical train bodies in the open as well as in a realistic tunnel are simulated with high computational efficiency. Ease of the problem setup as well as scalable, quasi-automatic execution confirm the relevance the approach as an efficient computational tool for the investigation of transient train aerodynamics.
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Published date: 4 June 2019
Venue - Dates:
Sixth International Conference on Parallel, Distributed, GPU and Cloud Computing for Engineering, , Pecs, Hungary, 2019-06-04 - 2019-06-05
Keywords:
aerodynamics simulation, tunnel boom, Cartesian method, fluid-structure coupling
Identifiers
Local EPrints ID: 431633
URI: http://eprints.soton.ac.uk/id/eprint/431633
PURE UUID: 88ad492a-2c2f-44d4-948e-0838502ad4a0
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Date deposited: 11 Jun 2019 16:30
Last modified: 16 Mar 2024 04:22
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Contributors
Author:
Jose Miguel Garro Fernandez
Editor:
P. Ivanyi
Editor:
B.H.V. Topping
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