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Proceedings Papers

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A001, June 13–17, 2022

Paper No: GT2022-78367

DOI: https://doi.org/10.1115/GT2022-78367

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Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation

Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022

Paper No: GT2022-81090

DOI: https://doi.org/10.1115/GT2022-81090

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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation

Journal Articles

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Lukas Schwerdt, Ricarda Berger, Lars Panning-von Scheidt, Raimund Rolfes, Jörg Wallaschek, Joerg R. Seume

J. Eng. Gas Turbines Power. November 2022, 144(11): 111017.

Paper No: GTP-22-1317

DOI: https://doi.org/10.1115/1.4055368

Published Online: September 22, 2022

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Topics: Acoustics, Blades, Compressors, Damping, Excitation, Fatigue, Rotors, Stiffness, Vibration, Modeling

Journal Articles

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Mona Amer, Martin Paehr, Lars Panning-von Scheidt, Joerg R. Seume, Joachim Schmied

J. Eng. Gas Turbines Power. May 2022, 144(5): 051012.

Paper No: GTP-21-1556

DOI: https://doi.org/10.1115/1.4053123

Published Online: February 21, 2022

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Topics: Bearings, Compressors, Computer simulation, Damping, Excitation, Manufacturing, Modal analysis, Modeling, Rotordynamics, Rotors

Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A018, June 7–11, 2021

Paper No: GT2021-59272

DOI: https://doi.org/10.1115/GT2021-59272

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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades

Proceedings Papers

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Alwin Förster, Lars Panning-von Scheidt

Paper No: GT2021-58437

DOI: https://doi.org/10.1115/GT2021-58437

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Topics: Excitation, Nonlinear systems, Random excitation, Vibration, Structural analysis, Structural mechanics, Turbine blades, Turbomachinery, White noise

Journal Articles

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. September 2021, 143(9): 091028.

Paper No: GTP-21-1129

DOI: https://doi.org/10.1115/1.4051172

Published Online: August 11, 2021

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Topics: Disks, Excitation, Blades, Turbine blades

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

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. May 2021, 143(5): 051005.

Paper No: GTP-20-1396

DOI: https://doi.org/10.1115/1.4048407

Published Online: March 11, 2021

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Topics: Coulombs, Disks, Excitation, Friction, Manufacturing, Random excitation, Displacement, Errors, Energy dissipation, Turbomachinery

Journal Articles

Key Features of the Transient Amplification of Mistuned Systems

Luigi Carassale, Vincent Denoël, Carlos Martel, Lars Panning-von Scheidt

J. Eng. Gas Turbines Power. March 2021, 143(3): 031016.

Paper No: GTP-20-1517

DOI: https://doi.org/10.1115/1.4049501

Published Online: February 11, 2021

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Topics: Disks, Resonance, Transients (Dynamics), Blades, Vibration

Proceedings Papers

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A008, September 21–25, 2020

Paper No: GT2020-14282

DOI: https://doi.org/10.1115/GT2020-14282

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Topics: Excitation, Turbine blades, Blades, Engines, Vibration, Spectra (Spectroscopy), Aerodynamics, Disks, Fluid-dynamic forces, Geometry

Proceedings Papers

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

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A003, September 21–25, 2020

Paper No: GT2020-14199

DOI: https://doi.org/10.1115/GT2020-14199

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Topics: Disks, Geometry, Prisms (Optics), Blades, Compressors, Damage, Finite element analysis, Maintenance, Simulation, System dynamics

Proceedings Papers

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A005, September 21–25, 2020

Paper No: GT2020-14264

DOI: https://doi.org/10.1115/GT2020-14264

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Topics: Disks, Friction, Random excitation, Excitation, Dampers, Degrees of freedom, Manufacturing, Energy dissipation, Linear systems, Nonlinear equations

Proceedings Papers

Identification of the Essential Features of the Transient Amplification of Mistuned Systems

Luigi Carassale, Vincent Denoël, Carlos Martel, Lars Panning-von Scheidt

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A037, September 21–25, 2020

Paper No: GT2020-15693

DOI: https://doi.org/10.1115/GT2020-15693

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Topics: Blades, Computer simulation, Damping, Disks, Linear systems, Resonance, Rotors, Transients (Dynamics), Turbomachinery, Vibration

Journal Articles

Measured and Simulated Forced Response of a Rotating Turbine Disk With Asymmetric and Cylindrical Underplatform Dampers

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. May 2020, 142(5): 051002.

Paper No: GTP-19-1297

DOI: https://doi.org/10.1115/1.4045337

Published Online: February 14, 2020

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Topics: Blades, Dampers, Disks, Excitation, Turbines, Rotation, Resonance, Simulation, Dynamics (Mechanics), Frequency response

Journal Articles

Analysis of Contacts in Friction Damped Turbine Blades Using Dimensionless Numbers

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. December 2019, 141(12): 121023.

Paper No: GTP-19-1188

DOI: https://doi.org/10.1115/1.4044481

Published Online: November 20, 2019

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Topics: Friction, Turbine blades, Dimensionless numbers, Displacement

Journal Articles

Discussion of “Dynamic Modeling and Projection-Based Reduction Methods for Bladed Disks With Nonlinear Frictional and Intermittent Contact Interfaces” (Mitra, M., Epureanu, B. I., 2018, ASME Appl. Mech. Rev., 71 (5), p. 050803)

Jörg Wallaschek, Sebastian Willeke, Lars Panning-von Scheidt

Appl. Mech. Rev. September 2019, 71(5): 055502.

Paper No: AMR-19-1069

DOI: https://doi.org/10.1115/1.4044933

Published Online: October 9, 2019

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Topics: Disks, Dynamic modeling, Modeling, Vibration, Dynamics (Mechanics), Turbomachinery, Friction

Journal Articles

Reduced-Order Modeling of Bladed Disks Considering Small Mistuning of the Disk Sectors

Lukas Schwerdt, Sebastian Willeke, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. May 2019, 141(5): 052502.

Paper No: GTP-18-1393

DOI: https://doi.org/10.1115/1.4041071

Published Online: December 10, 2018

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Topics: Blades, Disks

Journal Articles

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung

J. Eng. Gas Turbines Power. April 2019, 141(4): 042503.

Paper No: GTP-18-1332

DOI: https://doi.org/10.1115/1.4040843

Published Online: December 5, 2018

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Topics: Blades, Disks, Dynamics (Mechanics), Equations of motion, Frequency response, Friction, Interpolation, Stiffness, Errors, Computation

Journal Articles

Influence of Geometric Design Parameters Onto Vibratory Response and High-Cycle Fatigue Safety for Turbine Blades With Friction Damper

Matthias Hüls, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. April 2019, 141(4): 041022.

Paper No: GTP-18-1290

DOI: https://doi.org/10.1115/1.4040732

Published Online: December 4, 2018

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Topics: Blades, Chain, Dampers, Design, Friction, High cycle fatigue, Resonance, Stress, Turbine blades, Airfoils

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Journal citation

NARROW

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

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

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Key Features of the Transient Amplification of Mistuned Systems

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

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

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Identification of the Essential Features of the Transient Amplification of Mistuned Systems

Measured and Simulated Forced Response of a Rotating Turbine Disk With Asymmetric and Cylindrical Underplatform Dampers

Analysis of Contacts in Friction Damped Turbine Blades Using Dimensionless Numbers

Discussion of “Dynamic Modeling and Projection-Based Reduction Methods for Bladed Disks With Nonlinear Frictional and Intermittent Contact Interfaces” (Mitra, M., Epureanu, B. I., 2018, ASME Appl. Mech. Rev., 71 (5), p. 050803)

Reduced-Order Modeling of Bladed Disks Considering Small Mistuning of the Disk Sectors

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Influence of Geometric Design Parameters Onto Vibratory Response and High-Cycle Fatigue Safety for Turbine Blades With Friction Damper

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