Numerical investigation of non-synchronous vibration with fluid-structure interaction using delayed detached eddy simulation

Purvic Patel, Hong Sik Im, Gecheng Zha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A Fluid-Structure Interaction (FSI) simulation is carried out for GE 1-1/2 stage high speed compressor using the Delayed Detached Eddy Simulation (DDES) based on the Spalart-Allmaras (SA) turbulence model. The structural motion equations and the unsteady spatially filtered compressible Navier-Stokes equation with the SA-DDES turbulence model are solved in a fully coupled manner. A Low Diffusion E-CUSP Riemann solver is used for the inviscid flux with a 3rd order WENO reconstructed conservative variables and a 2nd order central differencing scheme for the viscous flux. The tip vortex instability generates an excitation force with the non-engine order frequency. The predicted NSV frequency shows an excellent agreement with the rig test measurement.

Original languageEnglish (US)
Title of host publicationAIAA Scitech 2020 Forum
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105951
DOIs
StatePublished - 2020
EventAIAA Scitech Forum, 2020 - Orlando, United States
Duration: Jan 6 2020Jan 10 2020

Publication series

NameAIAA Scitech 2020 Forum
Volume1 PartF

Conference

ConferenceAIAA Scitech Forum, 2020
CountryUnited States
CityOrlando
Period1/6/201/10/20

ASJC Scopus subject areas

  • Aerospace Engineering

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