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Andreas Hartung
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Proceedings Papers

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75290
https://doi.org/10.1115/GT2018-75290
View Paper titled, Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction
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Topics: Blades, Dynamics (Mechanics), Algorithms, Approximation, Computation, Disks, Errors, Frequency response, Friction, Stiffness
Proceedings Papers

Rig and Engine Validation of the Non-Linear Forced Response Analysis Performed by the Tool OrAgL

Andreas Hartung, Hans-Peter Hackenberg, Malte Krack, Johann Gross, Torsten Heinze, Lars Panning-von Scheidt
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75186
https://doi.org/10.1115/GT2018-75186
View Paper titled, Rig and Engine Validation of the Non-Linear Forced Response Analysis Performed by the Tool OrAgL
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Topics: Engines, Friction, Simulation, Blades, Dampers, Disks, Modeling, Nonlinear vibration, Stiffness, Temperature
Proceedings Papers

A Study of Dynamic Phenomena Caused by Impulse Mistuning in Case of Self-Excitation

Peter Müller, Andreas Hartung, Hans-Peter Hackenberg
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75188
https://doi.org/10.1115/GT2018-75188
View Paper titled, A Study of Dynamic Phenomena Caused by Impulse Mistuning in Case of Self-Excitation
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Topics: Excitation, Impulse (Physics), Damping, Vibration, Blades, High cycle fatigue, Energy transformation, Flutter (Aerodynamics), Friction, Stress
Proceedings Papers

Nodal Diameter-Dependent Modal Damping Method for Nonlinear Blade Dynamics Prediction Considering Variable Rotational Speed

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A018, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63999
https://doi.org/10.1115/GT2017-63999
View Paper titled, Nodal Diameter-Dependent Modal Damping Method for Nonlinear Blade Dynamics Prediction Considering Variable Rotational Speed
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Topics: Blades, Damping, Dynamics (Mechanics), Degrees of freedom, Excitation, Disks, Equations of motion, Friction, Vibration analysis
Proceedings Papers

A Taylor Series Expansion Approach for Nonlinear Blade Forced Response Prediction Considering Variable Rotational Speed

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A005, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56375
https://doi.org/10.1115/GT2016-56375
View Paper titled, A Taylor Series Expansion Approach for Nonlinear Blade Forced Response Prediction Considering Variable Rotational Speed
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Topics: Algebra, Blades, Degrees of freedom, Dimensions, Disks, Eigenvalues, Friction, Nonlinear systems, Stiffness, Tradeoffs
Proceedings Papers

Impulse Mistuning of Blades and Vanes

Andreas Hartung, Ulrich Retze, Hans-Peter Hackenberg
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A006, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56433
https://doi.org/10.1115/GT2016-56433
View Paper titled, Impulse Mistuning of Blades and Vanes
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Topics: Blades, Impulse (Physics), Absorption, Resonance, Energy dissipation, Friction, Vibration, Dampers, Damping, Design
Proceedings Papers

A Practical Approach for Evaluation of Equivalent Linear Damping From Measurements of Mistuned and/or Non-Linear Stages and Forced Response Validation

Andreas Hartung, Hans-Peter Hackenberg
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A007, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56435
https://doi.org/10.1115/GT2016-56435
View Paper titled, A Practical Approach for Evaluation of Equivalent Linear Damping From Measurements of Mistuned and/or Non-Linear Stages and Forced Response Validation
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Topics: Damping, Blades, Design, Nonlinear systems, Signals
Proceedings Papers

An Approach for Estimating the Effect of Transient Sweep Through a Resonance

Hans-Peter Hackenberg, Andreas Hartung
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT32A004, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42163
https://doi.org/10.1115/GT2015-42163
View Paper titled, An Approach for Estimating the Effect of Transient Sweep Through a Resonance
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Topics: Resonance, Transients (Dynamics), Aircraft engines, Blades, Damping, Air jets, Airfoils, Compressors, Degrees of freedom, Disks
Proceedings Papers

Reduced Order Modeling Based on Complex Nonlinear Modal Analysis and its Application to Bladed Disks With Shroud Contact

Malte Krack, Lars Panning-von Scheidt, Jörg Wallaschek, Christian Siewert, Andreas Hartung
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT31A010, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94560
https://doi.org/10.1115/GT2013-94560
View Paper titled, Reduced Order Modeling Based on Complex Nonlinear Modal Analysis and its Application to Bladed Disks With Shroud Contact
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Topics: Disks, Modal analysis, Modeling, Damping, Design, Flutter (Aerodynamics), Limit cycles, Oscillations, Resonance, Algebra
Proceedings Papers

Multiharmonic Analysis and Design of Shroud Friction Joints of Bladed Disks Subject to Microslip

Malte Krack, Anna Herzog, Lars Panning-von Scheidt, Jörg Wallaschek, Christian Siewert, Andreas Hartung
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 1083-1092, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70184
https://doi.org/10.1115/DETC2012-70184
View Paper titled, Multiharmonic Analysis and Design of Shroud Friction Joints of Bladed Disks Subject to Microslip
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Topics: Design, Disks, Friction, Resonance, Vibration, Ansätze (Mathematics), Coulombs, Damping, Dynamics (Mechanics), Elasticity
Proceedings Papers

Robust Design of Friction Interfaces of Bladed Disks With Respect to Parameter Uncertainties

Malte Krack, Lars Panning, Jörg Wallaschek, Christian Siewert, Andreas Hartung
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1193-1204, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68578
https://doi.org/10.1115/GT2012-68578
View Paper titled, Robust Design of Friction Interfaces of Bladed Disks With Respect to Parameter Uncertainties
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Topics: Design, Disks, Friction, Uncertainty, Coulombs, Damping, Equations of motion, Excitation, Optimization, Probability
Proceedings Papers

Multi-Body Damping of a Vane Cluster

Andreas Hartung, Ulrich Retze
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 859-865, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45666
https://doi.org/10.1115/GT2011-45666
View Paper titled, Multi-Body Damping of a Vane Cluster
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Topics: Damping, Dampers, Geometry, Springs, Blades, Finite element model, Separation (Technology), Simulation, Vibration
Proceedings Papers

A Numerical Approach for the Resonance Passage Computation

Andreas Hartung
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 723-728, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22051
https://doi.org/10.1115/GT2010-22051
View Paper titled, A Numerical Approach for the Resonance Passage Computation
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Topics: Computation, Resonance, Damping, Excitation, Turbine blades
Proceedings Papers

Insert Damping of Hollow Airfoils

Hans Peter Borufka, Hernan Victor Arrieta, Andreas Hartung
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 441-446, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59976
https://doi.org/10.1115/GT2009-59976
View Paper titled, Insert Damping of Hollow Airfoils
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Topics: Airfoils, Damping, Cooling, Dampers, Excitation, Friction, Geometry, Torsion, Turbine blades