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Proceedings Papers

Influence of Shape and Size of Casting Defects on the LCF Performance of MAR-M247 – A Path Towards a Probabilistic Model

Jan Radners, Christoph Schweizer, Michael Schlesinger, Stefan Eckmann, Malek Al-Ameri, Christian Amann, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT25A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124232
https://doi.org/10.1115/GT2024-124232
View Paper titled, Influence of Shape and Size of Casting Defects on the LCF Performance of MAR-M247 – A Path Towards a Probabilistic Model
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Topics: Casting, Design, Fatigue, Gas turbines, Shapes, Blades, Renewable energy sources, Uncertainty, Climate change, Cycles
Proceedings Papers

Influence of Casting Defects on the Low Cycle Fatigue Performance of MAR-M247 – A Path Towards a Probabilistic Model

Jan Radners, Christoph Schweizer, Stefan Eckmann, Malek Al-Ameri, Christian Amann, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT25A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101940
https://doi.org/10.1115/GT2023-101940
View Paper titled, Influence of Casting Defects on the Low Cycle Fatigue Performance of MAR-M247 – A Path Towards a Probabilistic Model
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Topics: Casting, Gas turbines, Low cycle fatigue
Journal Articles

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121026.
Paper No: GTP-22-1231
https://doi.org/10.1115/1.4056044
Published Online: November 23, 2022
View Article titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations
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Topics: Cycles, Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors, Stress, Temperature, Modeling, Shapes
Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82303
https://doi.org/10.1115/GT2022-82303
View Paper titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations
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Topics: Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors
Journal Articles

High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units

Mrugesh Gajjar1, Christian Amann, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011009.
Paper No: GTP-21-1372
https://doi.org/10.1115/1.4052078
Published Online: October 13, 2021
View Article titled, High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units
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Topics: Fracture mechanics, Graphics processing units, Rotors, Architecture
Proceedings Papers

High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units (GPUs)

Mrugesh Gajjar, Christian Amann, Kai Kadau
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59295
https://doi.org/10.1115/GT2021-59295
View Paper titled, High-Performance Computing Probabilistic Fracture Mechanics Implementation for Gas Turbine Rotor Disks on Distributed Architectures Including Graphics Processing Units (GPUs)
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Topics: Architecture, Disks, Fatigue cracks, Fracture mechanics, Gas turbines, Graphics processing units, Rotors, Simulation
Journal Articles

A Probabilistic Model for Forging Flaw Crack Nucleation Processes

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101012.
Paper No: GTP-21-1143
https://doi.org/10.1115/1.4051426
Published Online: September 3, 2021
View Article titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes
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Topics: Cycles, Forging, Fracture (Materials), Nucleation (Physics), Stress, Calibration, Temperature, Rotors
Journal Articles

Probabilistic Fracture Mechanics for Mature Service Frame Rotors

Philipp Engels, Christian Amann, Sebastian Schmitz, Kai Kadau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2021, 143(7): 071004.
Paper No: GTP-20-1733
https://doi.org/10.1115/1.4049893
Published Online: March 29, 2021
View Article titled, Probabilistic Fracture Mechanics for Mature Service Frame Rotors
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Topics: Blades, Cycles, Disks, Failure, Fracture (Materials), Risk, Rotors, Simulation, Forging, Fracture mechanics
Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14606
https://doi.org/10.1115/GT2020-14606
View Paper titled, A Probabilistic Model for Forging Flaw Crack Nucleation Processes
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Topics: Forging, Fracture (Materials), Nucleation (Physics), Rotors
Proceedings Papers

Probabilistic Fracture Mechanics for Mature Service Frame Rotors

Philipp Engels, Christian Amann, Sebastian Schmitz, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14608
https://doi.org/10.1115/GT2020-14608
View Paper titled, Probabilistic Fracture Mechanics for Mature Service Frame Rotors
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Topics: Fracture mechanics, Rotors, Cycles, Design, Disks, Risk, Blades, Failure, Forging, Gas turbines
Proceedings Papers

Life Assessment of Large Gas Turbine Blades

Santosh B. Narasimhachary, Kyle Smith, Sachin R. Shinde, Christian Amann, Kai Kadau, Saiganesh Iyer
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A015, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91630
https://doi.org/10.1115/GT2019-91630
View Paper titled, Life Assessment of Large Gas Turbine Blades
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Topics: Blades, Gas turbines, Fracture (Materials), Fracture mechanics, Manufacturing, Computers, Engineering instruments, Geometry, Investment casting (Process), Nickel
Proceedings Papers

Probabilistic Fracture Mechanics Framework Including Crack Nucleation of Rotor Forging Flaws

Francesco Radaelli, Kai Kadau, Christian Amann, Peter Gumbsch
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT32A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90418
https://doi.org/10.1115/GT2019-90418
View Paper titled, Probabilistic Fracture Mechanics Framework Including Crack Nucleation of Rotor Forging Flaws
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Topics: Forging, Fracture (Materials), Fracture mechanics, Nucleation (Physics), Rotors, Failure, Probability, Fatigue cracks, Cycles, Fatigue
Proceedings Papers

On the Transferability of Probabilistic Fracture Mechanics Results for Scaled 50Hz and 60Hz Heavy Duty Gas Turbine Rotor Disks

Christian Amann, Kai Kadau, Peter Gumbsch
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75561
https://doi.org/10.1115/GT2018-75561
View Paper titled, On the Transferability of Probabilistic Fracture Mechanics Results for Scaled 50Hz and 60Hz Heavy Duty Gas Turbine Rotor Disks
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Topics: Disks, Fracture mechanics, Gas turbines, Rotors, Design, Engines, Centrifugal force, Dimensions, Failure, Product development
Journal Articles

Probabilistic Fracture Mechanics for Heavy-Duty Gas Turbine Rotor Forgings

Kai Kadau, Phillip W. Gravett, Christian Amann
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062503.
Paper No: GTP-17-1488
https://doi.org/10.1115/1.4038524
Published Online: January 23, 2018
View Article titled, Probabilistic Fracture Mechanics for Heavy-Duty Gas Turbine Rotor Forgings
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Topics: Cycles, Failure, Fracture (Materials), Fracture mechanics, Risk, Rotors, Simulation, Forgings (Products), Gas turbines, Design
Proceedings Papers

Probabilistic Fracture Mechanics for Heavy Duty Gas Turbine Rotor Forgings

Kai Kadau, Phillip W. Gravett, Christian Amann
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT32A005, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64811
https://doi.org/10.1115/GT2017-64811
View Paper titled, Probabilistic Fracture Mechanics for Heavy Duty Gas Turbine Rotor Forgings
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Topics: Forgings (Products), Fracture mechanics, Gas turbines, Rotors, Risk, Failure, Simulation, Cycles, Design, Finite element analysis