DrivAer sensitivity map and optimization
Sensitivity maps are an indispensable tool for the design engineer since they can provide information on the favorable direction of surface displacement for reducing an objective function. Sensitivity maps are practically the sensitivity derivatives of the objective function with respect to the normal displacement of the boundary nodes and can be computed at the cost of a single flow and adjoint solution. …
Flow analysis of a transonic aircraft configuration
FOSS provides solutions for CFD problems from low subsonic to supersonic flow regime employing modern clusters including GPU accelerators. As an example, the aerodynamic performance of a fuselage-wing-pylon-nacelle aircraft configuration is studied. The figures that follow present the isentropic Mach number field computed on the aircraft surface for different angles of attack (AoA) and a…
Analysis of a hydraulic turbine
FOSS develops s/w, running in parallel on modern many-GPU HPC systems, for the analysis of turbomachinery components. The figure below shows the time-averaged pressure field computed in a hydraulic turbine application. Water enters the computational domain radially…
Shape optimization of a U-bend duct
U-bend ducts are met frequently in industrial applications, such as the cooling vanes of turbine blades. This application pertains to the shape optimization of such a duct, targeting the reduction of total pressure losses between the duct’s inlet and outlet. …