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Nodal Points and the Nonlinear Stability of High-Order Methods for Unsteady Flow Problems on Tetrahedral Meshes
Nodal Points Nonlinear Stability High-Order Methods Unsteady Flow Problems Tetrahedral Meshes
2015/7/3
High-order methods have the potential to efficiently generate accurate solutions to fluid dynamics problems of practical interest. However, high-order methods are less robust than lower-or...
Applications of Dual Time Stepping to Fully Implicit Runge-Kutta Schemes for Unsteady Flow Calculations
Unsteady Flow Calculations Time Stepping
2015/6/18
Accordingly, a fast steady state solver is an essential building block for an implicit
scheme. This leads to a circular situation. We need an implicit scheme for fast
convergence to a steady state, ...
Both third-order and fourth-order SD methods
are used on unstructured quadrilateral grids. The vortex shedding pattern of an airfoil
in an oscillating plunge motion becomes asymmetric at a su±cientl...
3D unsteady flow in a centrifugal fan: impeller - volute interaction
aeroacoustics centrifugal fan CFD turbomachinery
2010/3/11
The purpose of this study is to show, using Computational Fluid Dynamics (CFD) tools, the complex phenomena related to the internal flow in a squirrel-cage fan and their influence on the aeroacoustic ...
An experimental investigation of the unsteady flow in a two-stage low-pressure research turbine
axial flow turbine hot-wire measurements rotor-stator aerodynamic interaction
2010/3/12
Results of an experimental investigation of the unsteady flow in a two-stage low-pressure large-scale research turbine are presented. Velocity and turbulence measurements were performed upstream and d...