Abstract
The discontinuous Galerkin method (DGM) has been extended to simulate the compressible flow in the transonic axial compressor in a rotating coordinate system. The equations are solved in the physical space instead of being in the computational space to avoid the Jacobian transformation. A compact vertex-based limiter is proposed to prevent the spurious oscillations of the numerical results. The grid independence of the method is investigated and the results show it is weakly dependent on the mesh type. The in-house code based on the method has been applied to simulations of two transonic axial compressors. The results show that the predicted flow field, including overall performance, spanwise distributions of several parameters, shock structures and wakes, are in better agreement with the measurement. It indicates that the DGM has low numerical dissipation and could produce more reliable results.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
