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Multidisciplinary Design Optimization of Transonic Fans for Small Turbofan Engines
An Integrated Cad-centric Approach for Transonic Fan Blade Design
Saïma Naz, PhD student
Alexandre Lupien, M.Sc.A student
Supervised byJean-Yves Trépanier, Chair holder
Christophe Tribes, Research associateEddy Petro, Research associate
Objectives Improve current Fan Design Process
Develop a new Parametric Model
Accelerating the Design Cycle
Enhance the Performance
Explore and apply Efficient Optimization Technique
Fan Design Challenging task
Careful and precise
Multi-Disciplinary Design OptimizationEngineering optimization method to solve design problems incorporating a number of disciplines.
Not limited to Aero and Thermodynamic performance, Also involves:
Geometrical requirements
Mechanical integrity
Life cycle & Manufacturing costs
Product cycle time
Weight, Emissions and Heat transfer
Overall Design and Optimization Process
A New CAD-Centric Parametric Model
Current process (sequential)
AERODYNAMICS ROTATING STRUCTURES DYNAMICS COMPRESSOR
DESIGN
CADCADCAD
CAD modif. requirements
A New CAD-Centric Parametric Model
CAD-Centric Model
CADAERODYNAMICS
ROTATING STRUCTURES
DYNAMICS
COMPRESSORDESIGN
CAD modif. CAD modif.
CAD modif.
CAD modif.
A New CAD-Centric Parametric Model
Good Parametric model needed– Global
• General design modif.– Precise
• Fine tuning– Flexible
• Complex 3D shapes
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