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Focusing on the uncertainties in aeronautical components, this work introduces polynomial chaos as a means to assess performance output influenced by these uncertainties. It addresses the curse-of-dimensionality by employing a reduced basis approach, utilizing simulations to derive output covariance in stochastic space. The methodology is applied to both a 2D airfoil and a 3D transonic compressor, incorporating robust, gradient-based shape optimization techniques. An adjoint methodology is utilized to efficiently calculate gradients, crucial for optimizing designs with numerous variables.
Nákup knihy
Development of Efficient UQ and RO Methods, Dinesh Kumar
- Jazyk
- Rok vydania
- 2017
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- Titul
- Development of Efficient UQ and RO Methods
- Podtitul
- With CFD Applications
- Jazyk
- anglicky
- Autori
- Dinesh Kumar
- Vydavateľ
- LAP LAMBERT Academic Publishing
- Rok vydania
- 2017
- Väzba
- mäkká
- Počet strán
- 196
- ISBN13
- 9783330046559
- Kategórie
- Technika / Strojárenstvo
- Anotácia
- Focusing on the uncertainties in aeronautical components, this work introduces polynomial chaos as a means to assess performance output influenced by these uncertainties. It addresses the curse-of-dimensionality by employing a reduced basis approach, utilizing simulations to derive output covariance in stochastic space. The methodology is applied to both a 2D airfoil and a 3D transonic compressor, incorporating robust, gradient-based shape optimization techniques. An adjoint methodology is utilized to efficiently calculate gradients, crucial for optimizing designs with numerous variables.