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Journal Articles

Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case

Romain Hottois, Arnaud Châtel, Gregory Coussement, Tom Debruyn, Tom Verstraete
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031001.
Paper No: TURBO-22-1196
https://doi.org/10.1115/1.4055577
Published Online: October 17, 2022
View Article titled, Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case
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Topics: Design, Flow (Dynamics), Optimization, Quadratic programming, Turbines, Turbomachinery, Blades
Journal Articles

Multipoint optimization of an axial turbine cascade using a hybrid algorithm

Accepted Manuscript
Arnaud Châtel, Tom Verstraete, Grégory Coussement
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-19-1284
https://doi.org/10.1115/1.4046231
Published Online: February 5, 2020
View Article titled, Multipoint optimization of an axial turbine cascade using a hybrid algorithm
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Topics: Algorithms, Cascades (Fluid dynamics), Design, Optimization, Turbines, Turbochargers, Entropy, Evolutionary algorithms, Flow (Dynamics), Blades
Journal Articles

Toward Gradient-Based Optimization of Full Gas Turbines

Tom Verstraete
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. March 2019, 141(03): 54–55.
Paper No: ME-19-MAR7
https://doi.org/10.1115/1.2019-MAR-7
Published Online: March 1, 2019
View Article titled, Toward Gradient-Based Optimization of Full Gas Turbines
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Topics: Cycles, Design, Engineers, Gas turbines, Optimization, Engineering disciplines, Physics, Artificial intelligence
Proceedings Papers

Single-Point Optimization of the LS89 Turbine Cascade Using a Hybrid Algorithm

Arnaud Châtel, Tom Verstraete, Grégory Coussement, Lasse Mueller
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75683
https://doi.org/10.1115/GT2018-75683
View Paper titled, Single-Point Optimization of the LS89 Turbine Cascade Using a Hybrid Algorithm
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Topics: Algorithms, Cascades (Fluid dynamics), Optimization, Turbines, Evolutionary algorithms, Design, Entropy, Geometry, Flow (Dynamics), Flow turning
Proceedings Papers

Metamodel-Assisted Optimization of a High-Lift Low Pressure Turbine Blade

Fabio Bigoni, Roberto Maffulli, Tony Arts, Tom Verstraete
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A011, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63991
https://doi.org/10.1115/GT2017-63991
View Paper titled, Metamodel-Assisted Optimization of a High-Lift Low Pressure Turbine Blade
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Topics: Optimization, Pressure, Turbine blades, Blades, Bubbles, Engines, Evolutionary algorithms, Fluid dynamics, Inflow, Reynolds number
Proceedings Papers

CAD-Based Adjoint Optimization of the Stresses in a Radial Turbine

Tom Verstraete, Lasse Müller, Jens-Dominik Müller
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A025, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65005
https://doi.org/10.1115/GT2017-65005
View Paper titled, CAD-Based Adjoint Optimization of the Stresses in a Radial Turbine
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Topics: Computer-aided design, Optimization, Stress, Turbines, Design, Shapes, Cycles, Fluids, Stress analysis (Engineering), Turbomachinery
Proceedings Papers

Numerical Study on the Effects of the Upstream Wake Generator on the Aerodynamic Performance of a High-Lift Low Pressure Turbine Blade

Fabio Bigoni, Stefano Vagnoli, Tony Arts, Tom Verstraete
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A014, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56647
https://doi.org/10.1115/GT2016-56647
View Paper titled, Numerical Study on the Effects of the Upstream Wake Generator on the Aerodynamic Performance of a High-Lift Low Pressure Turbine Blade
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Topics: Generators, Pressure, Turbine blades, Wakes, Blades, Bubbles, Separation (Technology), Turbulence, Engineering simulation, Engines
Proceedings Papers

Detailed Numerical Characterization of the Suction Side Laminar Separation Bubble for a High-Lift Low Pressure Turbine Blade by Means of RANS and LES

Fabio Bigoni, Stefano Vagnoli, Tony Arts, Tom Verstraete
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A015, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56653
https://doi.org/10.1115/GT2016-56653
View Paper titled, Detailed Numerical Characterization of the Suction Side Laminar Separation Bubble for a High-Lift Low Pressure Turbine Blade by Means of RANS and LES
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Topics: Bubbles, Pressure, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Suction, Turbine blades, Reynolds number, Large eddy simulation, Computational fluid dynamics, Engines
Proceedings Papers

Assessment of RANS Against LES for the Aero-Thermal Behavior of High Pressure Turbine Stages Under Realistic Inlet Conditions

Stefano Vagnoli, Tom Verstraete, Charlie Koupper, Guillaume Bonneau
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A023, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56596
https://doi.org/10.1115/GT2016-56596
View Paper titled, Assessment of RANS Against LES for the Aero-Thermal Behavior of High Pressure Turbine Stages Under Realistic Inlet Conditions
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Topics: High pressure (Physics), Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Combustion chambers, Modeling, Simulation, Blades, Design, Diffusion (Physics)
Proceedings Papers

Numerical Optimization of Advanced Monolithic Microcoolers for High Heat Flux Microelectronics

Sebastian Scholl, Catherine Gorle, Farzad Houshmand, Mehdi Asheghi, Kenneth Goodson, Tom Verstraete
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T10A018, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48123
https://doi.org/10.1115/IPACK2015-48123
View Paper titled, Numerical Optimization of Advanced Monolithic Microcoolers for High Heat Flux Microelectronics
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Topics: Heat flux, Microcoolers, Microelectronic devices, Optimization, Cooling, Fluids, Heat transfer, Computational fluid dynamics, Design, Engineering simulation
Proceedings Papers

Adjoint Optimization of an Internal Cooling Channel U-Bend

Sebastian Willeke, Tom Verstraete
Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A029, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43423
https://doi.org/10.1115/GT2015-43423
View Paper titled, Adjoint Optimization of an Internal Cooling Channel U-Bend
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Topics: Cooling, Optimization, Design, Pressure, Shapes, Turbulence, Geometry, Steady state, Boundary-value problems, Degrees of freedom
Proceedings Papers

Design and Off-Design Optimization of a Low Pressure Steam Turbine Radial Diffuser Using an Evolutionary Algorithm and 3D CFD

Tom Verstraete, Johan Prinsier, Lorenzo Cosi
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A046, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26850
https://doi.org/10.1115/GT2014-26850
View Paper titled, Design and Off-Design Optimization of a Low Pressure Steam Turbine Radial Diffuser Using an Evolutionary Algorithm and 3D CFD
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Topics: Computational fluid dynamics, Design, Diffusers, Evolutionary algorithms, Optimization, Pressure, Steam turbines, Steam, Computation, Exhaust systems
Proceedings Papers

Multipoint Multi-Objective Optimization of a Low Solidity Circular Cascade Diffuser in Centrifugal Blowers

Daisaku Sakaguchi, Masahiro Ishida, Hiroshi Hayami, Lasse Mueller, Zuheyr Alsalihi, Tom Verstraete
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT10A018, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26013
https://doi.org/10.1115/GT2014-26013
View Paper titled, Multipoint Multi-Objective Optimization of a Low Solidity Circular Cascade Diffuser in Centrifugal Blowers
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Topics: Cascades (Fluid dynamics), Diffusers, Pareto optimization, Flow (Dynamics), Blades, Design, Pressure, Optimization, Flow separation, Shapes
Proceedings Papers

Design-Optimization Approach to Multistage Axial Contra-Rotating Turbines

Ernesto Sozio, Tom Verstraete, Guillermo Paniagua
Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A016, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94762
https://doi.org/10.1115/GT2013-94762
View Paper titled, Design-Optimization Approach to Multistage Axial Contra-Rotating Turbines
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Topics: Design, Optimization, Turbines, Airfoils, Cycles, Design methodology, Evolutionary algorithms, Flow (Dynamics), Geometry, Propulsion
Proceedings Papers

Full Design of a Highly Loaded and Compact Contra-Rotating Fan Using Multidisciplinary Evolutionary Optimization

Michael Joly, Tom Verstraete, Guillermo Paniagua
Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT43A009, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94433
https://doi.org/10.1115/GT2013-94433
View Paper titled, Full Design of a Highly Loaded and Compact Contra-Rotating Fan Using Multidisciplinary Evolutionary Optimization
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Topics: Design, Optimization, Computational fluid dynamics, Flow (Dynamics), Rotors, Fans, Pareto optimization, Algorithms, Machinery, Pressure
Proceedings Papers

Multi-Objective Optimization of a U-Bend for Minimal Pressure Loss and Maximal Heat Transfer Performance in Internal Cooling Channels

Tom Verstraete, Jing Li
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A041, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95423
https://doi.org/10.1115/GT2013-95423
View Paper titled, Multi-Objective Optimization of a U-Bend for Minimal Pressure Loss and Maximal Heat Transfer Performance in Internal Cooling Channels
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Topics: Cooling, Heat transfer, Pareto optimization, Pressure, Optimization, Design, Flow (Dynamics), Evolutionary algorithms, Fluid dynamics, Fluids
Proceedings Papers

Full Design of a Highly Loaded Fan by Multi-Objective Optimization of Through-Flow and High-Fidelity Aero-Mechanical Performances

Michael Joly, Tom Verstraete, Guillermo Paniagua
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2293-2301, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69686
https://doi.org/10.1115/GT2012-69686
View Paper titled, Full Design of a Highly Loaded Fan by Multi-Objective Optimization of Through-Flow and High-Fidelity Aero-Mechanical Performances
Open the PDF for Full Design of a Highly Loaded Fan by Multi-Objective Optimization of Through-Flow and High-Fidelity Aero-Mechanical Performances in another window
Topics: Design, Flow (Dynamics), Pareto optimization, Optimization, Computational fluid dynamics, Algorithms, Axial flow, Compressors, Design methodology, Fluids
Proceedings Papers

Design Optimization of a Low Pressure Steam Turbine Radial Diffuser Using an Evolutionary Algorithm and 3D CFD

Tom Verstraete, Johan Prinsier, Alberto Di Sante, Stefania Della Gatta, Lorenzo Cosi
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 603-613, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69515
https://doi.org/10.1115/GT2012-69515
View Paper titled, Design Optimization of a Low Pressure Steam Turbine Radial Diffuser Using an Evolutionary Algorithm and 3D CFD
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Topics: Computational fluid dynamics, Design, Diffusers, Evolutionary algorithms, Optimization, Pressure, Steam turbines, Steam, Turbines, Exhaust systems
Proceedings Papers

The Influence of Metamodeling Techniques on the Multidisciplinary Design Optimization of a Radial Compressor Impeller

Christopher Chahine, Joerg R. Seume, Tom Verstraete
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1951-1964, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68358
https://doi.org/10.1115/GT2012-68358
View Paper titled, The Influence of Metamodeling Techniques on the Multidisciplinary Design Optimization of a Radial Compressor Impeller
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Topics: Compressor impellers, Design, Optimization, Computational fluid dynamics, Flow (Dynamics), Optimization algorithms, Turbomachinery, Approximation, Engineering disciplines, Errors
Proceedings Papers

Multidisciplinary Optimization of a Turbocharger Radial Turbine

Lasse Mueller, Zuheyr Alsalihi, Tom Verstraete
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1965-1976, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68403
https://doi.org/10.1115/GT2012-68403
View Paper titled, Multidisciplinary Optimization of a Turbocharger Radial Turbine
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Topics: Optimization, Turbines, Turbochargers, Design, Artificial neural networks, Stress, Inertia (Mechanics), Automotive industry, Blades, Computation