Mastering Turbomachinery CFD simulations with Ansys CFX

Post-process converged turbomachinery results in CFX post by initializing turbo components, calculating velocity components, and visualizing Mach number, blade loading, and flow patterns, then export data and generate automated reports.

Understand rotor-stator interface in CFX, including general grid, stage and frozen rotor models, and translational/rotational periodicity, plus how pitch ratio and circumferential averaging govern flux transfer.

Set up a multi-stage compressor in Ansys CFX by modeling a single blade row, applying stage mixing plane and rotor-stator interfaces, and configuring walls and solver settings.

Explore turbulence modelling by comparing RANS, LES, DNS, and hybrid approaches; learn common models like Spalart-Allmaras, k-ε, k-ω, SST, and the role of Y+ and boundary layer mesh.

Design and analyze a single-stage axial fan blade row (rotor and stator) using Vista AFD, BladeGen, and TurboGrid to meet a 50 kPa rise and 80 kg/s flow.

Conduct a CFD analysis of a rotor blade row with 29 blades using the provided rotor.gtm mesh, applying boundary conditions including inlet total pressure and temperature, and outlet static pressure.

Configure a centrifugal compressor case in Ansys CFX with rpm direction, walls, interfaces, and boundary conditions. Run a parallel solve, then evaluate mass flow, pressure ratio, temperature ratio, and efficiency.

Run the centrifugal compressor in workbench, start with back pressure and progress to 3 bar to achieve convergence, post-process in turbo mode to examine mass flow, pressure ratio, and efficiency.

Create outer stationary and inner rotating CFD domains from a wind turbine blade CAD model in Ansys CFX, apply boundary conditions, mesh, and solve to assess wind power and efficiency.

Configure a case in Ansys workbench and CFX by defining rotor and outer domains, using a frozen rotor model, applying rpm and boundary conditions to compute torque.

Analyze a Francis turbine using Ansys CFX to compute power and efficiency under radial inflow and axial outflow, with a 210 rpm design delivering 127 MW and about 81% efficiency.