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Journal Articles

An Extended Eddy-Preserving Scheme for Strong Vortical Flows

Liu Yang, Yao Jiang, Siva Nadarajah
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. June 2020, 142(6): 061501.
Paper No: FE-18-1791
DOI: https://doi.org/10.1115/1.4045982
Published Online: February 24, 2020
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Topics: Eddies (Fluid dynamics), Pressure, Vortices, Vortex flow, Flow (Dynamics)
Proceedings Papers

Influence of Numerical Dissipation on Draft Tube Flows

Yao Jiang, Liu Yang, Siva Nadarajah
Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T08A004, July 15–20, 2018
Paper No: FEDSM2018-83225
DOI: https://doi.org/10.1115/FEDSM2018-83225
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Topics: Energy dissipation, Flow (Dynamics), Turbulence, Eddies (Fluid dynamics), Stress, Computer simulation, Engineering simulation, Hydraulic turbines, Simulation
Proceedings Papers

Data Compression Algorithms for Adjoint Based Sensitivity Studies of Unsteady Flows

Liu Yang, Siva Nadarajah
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T09A005, July 15–20, 2018
Paper No: FEDSM2018-83060
DOI: https://doi.org/10.1115/FEDSM2018-83060
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Topics: Algorithms, Compression, Unsteady flow, Flow (Dynamics), Storage, Computation, Engineering simulation, Flow simulation, Principal component analysis, Simulation
Proceedings Papers

An Adjoint-Based Multi-Point Optimization Method for Robust Turbomachinery Design

Benjamin Walther, Siva Nadarajah
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A043, June 15–19, 2015
Paper No: GT2015-44142
DOI: https://doi.org/10.1115/GT2015-44142
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Topics: Design, Optimization, Turbomachinery, Compressors, Approximation, Cycles, Design methodology, Flow (Dynamics), Pressure, Risk
Journal Articles

Optimum Shape Design for Multirow Turbomachinery Configurations Using a Discrete Adjoint Approach and an Efficient Radial Basis Function Deformation Scheme for Complex Multiblock Grids

Benjamin Walther, Siva Nadarajah
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. August 2015, 137(8): 081006.
Paper No: TURBO-14-1314
DOI: https://doi.org/10.1115/1.4029550
Published Online: August 1, 2015
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Topics: Boundary-value problems, Compressors, Design, Flow (Dynamics), Optimization, Pressure, Rotors, Stators, Turbomachinery, Blades
Proceedings Papers

An Adjoint-Based Optimization Method for Constrained Aerodynamic Shape Design of Three-Dimensional Blades in Multi-Row Turbomachinery Configurations

Benjamin Walther, Siva Nadarajah
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A031, June 16–20, 2014
Paper No: GT2014-26604
DOI: https://doi.org/10.1115/GT2014-26604
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Topics: Blades, Optimization, Shape design, Turbomachinery, Flow (Dynamics), Algorithms, Boundary-value problems, Compressors, Pressure, Quadratic programming
Proceedings Papers

Constrained Adjoint-Based Aerodynamic Shape Optimization of a Single-Stage Transonic Compressor

Benjamin Walther, Siva Nadarajah
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2149-2159, June 11–15, 2012
Paper No: GT2012-69128
DOI: https://doi.org/10.1115/GT2012-69128
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Topics: Compressors, Shape optimization, Optimization, Airfoils, Algorithms, Boundary-value problems, Computer programming, Flow (Dynamics), Internal flow, Pressure
Journal Articles

Constrained Adjoint-Based Aerodynamic Shape Optimization of a Single-Stage Transonic Compressor

Benjamin Walther, Siva Nadarajah
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021017.
Paper No: TURBO-12-1086
DOI: https://doi.org/10.1115/1.4007502
Published Online: November 2, 2012
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Topics: Compressors, Design, Flow (Dynamics), Optimization, Rotors, Stators, Pressure, Shape optimization, Boundary-value problems