STAR-CCM+ Rotorcraft Design & Analysis Capabilities
STAR-CCM+ Rotorcraft Design & Analysis Capabilities
STAR-CCM+ Rotorcraft Design & Analysis Capabilities
STAR-CCM+ CAD-to-mesh in
2 days, keeping full complexity
Surface Wrapper
< 1 min
< 1 min
Surface sizing
4 hours
Contact
6 hours Leak detection
Previously discussed
Complex geometry handling
Mesh generation
Automated prism layer generation
Flow features
Refinements
Overset: 4 blades
around
within
leading
4 overset
and
meshesedges
trailing
Meshes
10 Prismcan
layers
overlap
on blades and
fuselage for high boundary layer
resolution
Sliding IF: Main Rotor mesh rotates
Volumetric
Each bladerefinements in rotor
in mesh within mainarea
rotor
and around blades
CFD Setup
Physics
Air Ideal Gas
Turbulence Model SST k-omega, all y+
Time step: 1 deg azimuth per time step
Boundary Conditions
Velocity Inlet: 27.2 m/s
Pressure Outlet: 0 bar relative
Ceiling and Floor: Wall
Sides: Symmetry
Rotor Speed: 2000 RPM
Overset Mesh vs. Experiment
Averaged Thrust coefficient
CT = 0.00614
Experiment
CT = 0.0064
STAR-CCM+ high fidelity fluid - solid meshing and fully coupled or co-
simulation CHT solver enables accurate thermal modelling.
Engine Thermal management
Key Capabilities
Geometry handling
Direct CAD import
3D CAD editing
Imprinting
Meshing
Wrapper
Polyhedral cells
Conformal interfaces
Automatic prism layer
Embedded thin mesh
Physics Modeling
Coupled flow solver
Turbulence modeling
Heat transfer modeling
Co-simulation
CHT Approach in STAR-CCM+
Volume extraction
CAD Import
Surface preparation
Main
assembly
surfaces
Surface preparation
Boolean
Holes/gaps
closing,
Patch Multi-region meshing
Solver
Flow Thermal
Post process
CHT Approach in STAR-CCM+
Volume extraction
CAD Import
Surface preparation
Main
assembly
surfaces
Surface preparation
Boolean
Holes/gaps
closing,
Patch Multi-region meshing
Solver
Flow Thermal
CHT approach is easily adaptable
by using PBM
Post process
Engine CHT Mesh Complex Geometry
Good quality remesh
Polyhedral Cell
Conformal CHT mesh
Automatic prism mesh
Results Temperature Contours
Fuselage Temperature
Engine Thermal management
Summary
Reduce CAD-to-solution time for design iterations
Almost no time spent in CAD package
Surface wrapper to facilitate mesh creation
High quality fluid-solid mesh , even with complex geometry
Ease of use part based meshing
Perform CHT analysis
Fully coupled simulation
Thermal results correlate well to thermal testing data
Overview