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David J. J. Toal
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Proceedings Papers

Multi-Fidelity Simulation for Secondary Air System Seal Design in Aero Engines

Adele Nasti, Ivan I. Voutchkov, David J. J. Toal, Andrew J. Keane
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80391
https://doi.org/10.1115/GT2022-80391
View Paper titled, Multi-Fidelity Simulation for Secondary Air System Seal Design in Aero Engines
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Topics: Aircraft engines, Design, Digital twin, Metamodeling, Optimization, Simulation
Journal Articles

The Potential of a Multifidelity Approach to Gas Turbine Combustor Design Optimization

David J. J. Toal, Xu Zhang, Andy J. Keane, Chin Yik Lee, Marco Zedda
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051002.
Paper No: GTP-20-1052
https://doi.org/10.1115/1.4048654
Published Online: March 11, 2021
View Article titled, The Potential of a Multifidelity Approach to Gas Turbine Combustor Design Optimization
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Topics: Combustion chambers, Design, Nitrogen oxides, Optimization, Simulation, Soot, Computational fluid dynamics, Gas turbines, Modeling
Proceedings Papers

Multi-Fidelity Kriging-Based Optimization of Engine Subsystem Models With Medial Meshes

Hau Kit Yong, Leran Wang, David J. J. Toal, Andy J. Keane, Felix Stanley
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76148
https://doi.org/10.1115/GT2018-76148
View Paper titled, Multi-Fidelity Kriging-Based Optimization of Engine Subsystem Models With Medial Meshes
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Topics: Engines, Optimization, Shells, Design, Solid models, Modeling
Proceedings Papers

Axial Compressor Rotor Optimization Using a Novel Ensemble of Surrogates-Based Infill Criterion

Jan Kamenik, Michele Stramacchia, David J. J. Toal, Andy J. Keane, Ron Bates
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T01A001, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4516
https://doi.org/10.1115/GTINDIA2017-4516
View Paper titled, Axial Compressor Rotor Optimization Using a Novel Ensemble of Surrogates-Based Infill Criterion
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Topics: Compressors, Optimization, Rotors, Design, Errors, Flow (Dynamics), Genetic algorithms, Physics, Quadratic programming
Journal Articles

Isothermal Combustor Prediffuser and Fuel Injector Feed Arm Design Optimization Using the prometheus Design System

Xu Zhang, David J. J. Toal, Andy J. Keane, Frederic Witham, Jonathan Gregory, Murthy Ravikanti, Emmanuel Aurifeille, Simon Stow, Mark Rogers, Marco Zedda
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 061504.
Paper No: GTP-15-1411
https://doi.org/10.1115/1.4031711
Published Online: November 17, 2015
View Article titled, Isothermal Combustor Prediffuser and Fuel Injector Feed Arm Design Optimization Using the prometheus Design System
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Topics: Combustion chambers, Design, Optimization, Simulation, Geometry, Annulus
Proceedings Papers

Prometheus: A Geometry-Centric Optimization System for Combustor Design

Xu Zhang, David J. J. Toal, Neil W. Bressloff, Andy J. Keane, Frederic Witham, Jonathan Gregory, Simon Stow, Christopher Goddard, Marco Zedda, Mark Rogers
Proc. ASME. GT2014, Volume 4A: Combustion, Fuels and Emissions, V04AT04A061, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25886
https://doi.org/10.1115/GT2014-25886
View Paper titled, Prometheus: A Geometry-Centric Optimization System for Combustor Design
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Topics: Combustion chambers, Design, Geometry, Optimization, Computational fluid dynamics, Computer-aided design, Acoustics, Fluids, Gas turbines, Workflow
Proceedings Papers

An Accelerated Medial Object Transformation for Whole Engine Optimisation

Leran Wang, David J. J. Toal, Andy J. Keane, Felix Stanley
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT45A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26014
https://doi.org/10.1115/GT2014-26014
View Paper titled, An Accelerated Medial Object Transformation for Whole Engine Optimisation
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Topics: Engines, Optimization, Clearances (Engineering), Design, Gas turbines, Three-dimensional computer-aided design
Proceedings Papers

On the Potential of a Multi-Fidelity G-POD Based Approach for Optimization and Uncertainty Quantification

David J. J. Toal
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT45A002, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25184
https://doi.org/10.1115/GT2014-25184
View Paper titled, On the Potential of a Multi-Fidelity G-POD Based Approach for Optimization and Uncertainty Quantification
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Topics: Optimization, Uncertainty quantification, Modeling, Principal component analysis, Scalars