Hybrid Grid Generation: Ansys ICEM CFD
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Category: Projects
More Details Computational Assessment of Flow through a High-Flow Nacelle Bypass
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Sonic boom minimization – Important challenge
- Intensity depends on the shape and weight of aircraft
- Ex: Quiet Spike Program – updated nose geometry to split the main shock
- Engine nacelles create a sizable boom
Novel Turbulence Length Scale
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DES type methods
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DES (Detached Eddy Simulation)
The length scale in the destruction term of the SA turbulence model is modified:
- Instead of the wall normal distance, the length scale is now the minimum of the wall normal distance and a length parameter
Merge Sort
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Boundary layer solver
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This page describes some parameters used to measure the properties of boundary layers. Consider a stationary body with a turbulent flow moving around it, like the semi-infinite flat plate with air flowing over the top of the plate. …
Plane Channel Simulation using IDDES
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Plane Channel Simulation
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- Channel flow configuration with streamwise and spanwise periodic boundaries
- Domain size: 8H × 3H × 2H where H is half channel height. Smallest wall-normal spacing is 2 × 10-3 H
- Grid size sufficient for a well resolved
Synthetic turbulence generation
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With respect to STG, the calculation of spatial modes required for synthetic turbulence has been validated and the perturbations are calculated ( v’ in the Shur et al.). Following figures are attached:
Blue portion in figure(b) is the wave numbers …