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Journal Articles

Transient Thermo-mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled Cfd-fea Approach

Sang-Guk Kang, Je Ir Ryu, Austen Motily, Prapassorn Numkiatsakul, Tonghun Lee, Waltraud Kriven, Kenneth Kim, Chol-Bum M. Kweon

J. Eng. Gas Turbines Power.

Paper No: GTP-22-1559

DOI: https://doi.org/10.1115/1.4056426

Published Online: December 7, 2022

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Topics: Finite element analysis, Probes, Stress analysis (Engineering), Thermomechanics, Transients (Dynamics), Boundary-value problems, Computer software, Durability, Engines, Stress

Journal Articles

Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings

Marcel Adam, Christian Kontermann, Matthias Oechsner

J. Eng. Gas Turbines Power. March 2023, 145(3): 031014.

Paper No: GTP-22-1472

DOI: https://doi.org/10.1115/1.4055668

Published Online: December 5, 2022

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Topics: Ceramics, Coatings, Creep, Failure, Finite element analysis, Fracture (Materials), Oxidation, Plasmas (Ionized gases), Porosity, Sintering

Journal Articles

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

Lukas Frank, Stefan Weihe

J. Eng. Gas Turbines Power. January 2023, 145(1): 011013.

Paper No: GTP-22-1255

DOI: https://doi.org/10.1115/1.4055834

Published Online: October 20, 2022

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Topics: Blades, Fatigue, Stress, Cycles, Damage, Finite element analysis

Journal Articles

Integrated Aerodynamic and Structural Blade Shape Optimization of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Abdelrahman S. Abdeldayem, Martin T. White, Andrea Paggini, Marco Ruggiero, Abdulnaser I. Sayma

J. Eng. Gas Turbines Power. October 2022, 144(10): 101016.

Paper No: GTP-22-1269

DOI: https://doi.org/10.1115/1.4055232

Published Online: September 12, 2022

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Topics: Blades, Design, Optimization, Rotors, Stators, Turbines, Computational fluid dynamics, Flow (Dynamics), Finite element analysis, Stress

Journal Articles

Operational Modal Analyses of Brush Seals and Seating Load Simulations

Ertuğrul Tolga Duran

J. Eng. Gas Turbines Power. July 2022, 144(7): 071005.

Paper No: GTP-21-1610

DOI: https://doi.org/10.1115/1.4053964

Published Online: May 20, 2022

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Topics: Fibers, Modeling, Pressure, Stress, Simulation, Modal analysis, Stability, Finite element analysis, Rotors, Design

Journal Articles

Test and Theory for a Refined Structural Model of a Hirth Coupling

Baik Jin Kim, Joseph Oh, Alan Palazzolo

J. Eng. Gas Turbines Power. March 2022, 144(3): 031027.

Paper No: GTP-21-1306

DOI: https://doi.org/10.1115/1.4052088

Published Online: February 21, 2022

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Topics: Finite element analysis, Rotor assembly, Rotors, Stiffness, Stress, Stress concentration, Geometry, Pressure, Knudsen number, Couplings

Journal Articles

Experimental and Numerical Investigation of High-Temperature Multi-Axial Fatigue

Harish Ramesh Babu, Marco Böcker, Mario Raddatz, Sebastian Henkel, Horst Biermann, Uwe Gampe

J. Eng. Gas Turbines Power. April 2022, 144(4): 041003.

Paper No: GTP-21-1575

DOI: https://doi.org/10.1115/1.4053153

Published Online: January 4, 2022

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Topics: Fatigue, Shear (Mechanics), Simulation, Stress, Temperature, Finite element analysis, Simulation results, Gages

Journal Articles

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

Ding Guo, Tianyuan Liu, Di Zhang, Yonghui Xie

J. Eng. Gas Turbines Power. February 2022, 144(2): 021023.

Paper No: GTP-21-1525

DOI: https://doi.org/10.1115/1.4052832

Published Online: December 7, 2021

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Topics: Rotors, Steam turbines, Stress, Temperature, Stability, Finite element analysis

Journal Articles

An Extrema Approach to Probabilistic Creep Modeling in Finite Element Analysis

Md Abir Hossain, Jacqueline R. Cottingham, Calvin M. Stewart

J. Eng. Gas Turbines Power. January 2022, 144(1): 011002.

Paper No: GTP-21-1345

DOI: https://doi.org/10.1115/1.4052260

Published Online: October 12, 2021

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Topics: Creep, Damage, Finite element analysis, Rupture, Simulation, Stress, Engineering simulation, Modeling

Journal Articles

On the Analytical Determination of the Nominal Stresses in Dovetail Attachments

G. B. Sinclair

J. Eng. Gas Turbines Power. June 2021, 143(6): 061018.

Paper No: GTP-20-1286

DOI: https://doi.org/10.1115/1.4048692

Published Online: March 31, 2021

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Topics: Blades, Disks, Finite element analysis, Stress, Friction, Bending (Stress), Pressure, Shear (Mechanics)

Journal Articles

A Model Reduction Method for Bladed Disks With Large Geometric Mistuning Using a Partially Reduced Intermediate System Model

Lukas Schwerdt, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. July 2021, 143(7): 071031.

Paper No: GTP-20-1571

DOI: https://doi.org/10.1115/1.4049357

Published Online: March 31, 2021

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Topics: Blades, Compressors, Disks, Modal analysis, Prisms (Optics), Errors, Maintenance, Simulation, Damage, Finite element analysis

Journal Articles

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry

J. Eng. Gas Turbines Power. July 2021, 143(7): 071022.

Paper No: GTP-20-1449

DOI: https://doi.org/10.1115/1.4049447

Published Online: March 31, 2021

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Topics: Acoustics, Cavities, Compressors, Computer simulation, Fluids, Impellers, Pressure, Finite element model, High pressure (Physics), Finite element analysis

Journal Articles

Containment and Arrest of Blade Shedding in Gas Turbine Engines Using Novel Dual-Ring Design

P. A. Roy, S. A. Meguid

J. Eng. Gas Turbines Power. July 2021, 143(7): 071015.

Paper No: GTP-20-1349

DOI: https://doi.org/10.1115/1.4049489

Published Online: March 31, 2021

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Topics: Aluminum, Blades, Containment, Design, Disks, Finite element analysis, Damage, Titanium, Kinetic energy

Journal Articles

Improvement of the Inverse Finite Element Analysis Approach for Tensile and Toughness Predictions by Means of Small Punch Technique

Dirk Kulawinski, Kevin Iding, Robin Schornstein, Dasgin Özdemir-Weingart, Peter Dumstorff

J. Eng. Gas Turbines Power. July 2021, 143(7): 071008.

Paper No: GTP-20-1763

DOI: https://doi.org/10.1115/1.4049900

Published Online: March 29, 2021

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Topics: Damage, Displacement, Finite element analysis, Fracture (Materials), Fracture toughness, Hardening, Optimization, Simulation, Failure

Journal Articles

Numerical Investigations of Leakage Performance Degradations in Labyrinth and Flexible Seals Due to Wear

Xinbo Dai, Xin Yan, Kun He, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. May 2021, 143(5): 051003.

Paper No: GTP-20-1180

DOI: https://doi.org/10.1115/1.4049008

Published Online: March 11, 2021

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Topics: Computational fluid dynamics, Design, Finite element analysis, Fins, Leakage, Rotors, Strips, Wear, Damage, Flow (Dynamics)

Journal Articles

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

J. Eng. Gas Turbines Power. January 2021, 143(1): 011011.

Paper No: GTP-20-1435

DOI: https://doi.org/10.1115/1.4049013

Published Online: January 4, 2021

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Topics: Cavitation, Computational fluid dynamics, Pressure, Stress, Thrust, Finite element analysis, Turbulence, Modeling, Algorithms, Bearings

Journal Articles

Influence of Temperature Distribution on Radial Growth of Compressor Disks

Dario Luberti, Hui Tang, James A. Scobie, Oliver J. Pountney, J. Michael Owen, Gary D. Lock

J. Eng. Gas Turbines Power. July 2020, 142(7): 071004.

Paper No: GTP-19-1728

DOI: https://doi.org/10.1115/1.4046704

Published Online: June 30, 2020

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Topics: Buoyancy, Compressors, Disks, Finite element analysis, Stress, Temperature, Temperature distribution, Transients (Dynamics), Pressure

Journal Articles

Foreign Object Impact Damage in Ceramic Matrix Composites: Experiments and Computational Predictions

Rajesh S. Kumar, Matthew D. Mordasky

J. Eng. Gas Turbines Power. April 2020, 142(4): 041014.

Paper No: GTP-19-1440

DOI: https://doi.org/10.1115/1.4044931

Published Online: February 3, 2020

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Topics: Ceramic matrix composites, Damage, Delamination, Finite element analysis

Journal Articles

Reduced Order Models for Nonlinear Dynamic Analysis With Application to a Fan Blade

Mikel Balmaseda, G. Jacquet-Richardet, A. Placzek, D.-M. Tran

J. Eng. Gas Turbines Power. April 2020, 142(4): 041002.

Paper No: GTP-19-1339

DOI: https://doi.org/10.1115/1.4044805

Published Online: January 29, 2020

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Topics: Blades, Computation, Construction, Dynamic analysis, Equilibrium (Physics), Polynomials, Principal component analysis, Rotation, Stiffness, Vibration

Journal Articles

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt

J. Eng. Gas Turbines Power. February 2020, 142(2): 021016.

Paper No: GTP-19-1474

DOI: https://doi.org/10.1115/1.4045517

Published Online: January 16, 2020

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Topics: Blades, Compressors, Eigenvalues, Errors, Mode shapes, Noise (Sound), Probability, Resonance, Stiffness, Traveling waves

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Transient Thermo-mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled Cfd-fea Approach

Assessing the Structural Integrity of Plasma-Sprayed Multilayer Thermal Barrier Coatings

Component Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades

Integrated Aerodynamic and Structural Blade Shape Optimization of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Operational Modal Analyses of Brush Seals and Seating Load Simulations

Test and Theory for a Refined Structural Model of a Hirth Coupling

Experimental and Numerical Investigation of High-Temperature Multi-Axial Fatigue

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

An Extrema Approach to Probabilistic Creep Modeling in Finite Element Analysis

On the Analytical Determination of the Nominal Stresses in Dovetail Attachments

A Model Reduction Method for Bladed Disks With Large Geometric Mistuning Using a Partially Reduced Intermediate System Model

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Containment and Arrest of Blade Shedding in Gas Turbine Engines Using Novel Dual-Ring Design

Improvement of the Inverse Finite Element Analysis Approach for Tensile and Toughness Predictions by Means of Small Punch Technique

Numerical Investigations of Leakage Performance Degradations in Labyrinth and Flexible Seals Due to Wear

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Influence of Temperature Distribution on Radial Growth of Compressor Disks

Foreign Object Impact Damage in Ceramic Matrix Composites: Experiments and Computational Predictions

Reduced Order Models for Nonlinear Dynamic Analysis With Application to a Fan Blade

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

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