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Proceedings Papers

Biomimetic Scaled Structures - Exploring Symmetries and Nonlinearity in Structural Damping

Md Shahjahan Hossain, Omid Bateniparvar, Pranta Rahman Sarkar, Ranajay Ghosh
Proc. ASME. SSDM2024, ASME 2024 Aerospace Structures, Structural Dynamics, and Materials Conference, V001T02A007, April 29–May 1, 2024
Publisher: American Society of Mechanical Engineers
Paper No: SSDM2024-121653
https://doi.org/10.1115/SSDM2024-121653
View Paper titled, Biomimetic Scaled Structures - Exploring Symmetries and Nonlinearity in Structural Damping
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Topics: Biomimetics, Damping, Energy dissipation, Anisotropy, Columns (Structural), Deformation, Dynamic response, Experimental analysis, Geometry, Mechanical behavior
Proceedings Papers

Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications

Peter Warren, Nandhini Raju, Milos Krsmanovic, Hossein Ebrahimi, Jayanta Kapat, Ramesh Subramanian, Ranajay Ghosh
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83418
https://doi.org/10.1115/GT2022-83418
View Paper titled, Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications
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Topics: Additive manufacturing, Ceramics, Gas turbines, Machine learning, Shrinkage (Materials), Sintering, Ovens, Computer-aided design, Computer software, Dimensions
Proceedings Papers

Sintering Behaviour of 3d Printed 17-4PH Stainless Steel

Nandhini Raju, Peter Warren, Ramesh Subramanian, Ranajay Ghosh, Erik Fernandez, Seetha Raghavan, Jayanta Kapat
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A028, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83592
https://doi.org/10.1115/GT2022-83592
View Paper titled, Sintering Behaviour of 3d Printed 17-4PH Stainless Steel
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Topics: Additive manufacturing, Diffusion (Physics), Materials properties, Metals, Shrinkage (Materials), Sintering, Stainless steel
Journal Articles

Dynamic Analysis of a Curved Beam With Tuning of Elastic Modulus and Mass Density in Circumferential Direction

Milad Tatari, Soroush Irandoust, Ranajay Ghosh, Yustianto Tjiptowidjojo, Hamid Nayeb-Hashemi
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2022, 144(5): 051016.
Paper No: VIB-22-1035
https://doi.org/10.1115/1.4054672
Published Online: June 27, 2022
View Article titled, Dynamic Analysis of a Curved Beam With Tuning of Elastic Modulus and Mass Density in Circumferential Direction
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Topics: Density, Elastic moduli, Fracture (Materials), Materials properties, Mode shapes, Modeling, Finite element analysis, Dynamic analysis, Vibration
Journal Articles

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041004.
Paper No: GTP-21-1388
https://doi.org/10.1115/1.4052265
Published Online: January 13, 2022
View Article titled, Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion
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Topics: Aluminum alloys, Corrosion, Grain boundaries, Stress, Alloys, Simulation, Stress corrosion cracking, Computer simulation
Proceedings Papers

Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks

Peter Warren, Hessein Ali, Hossein Ebrahimi, Ranajay Ghosh
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59801
https://doi.org/10.1115/GT2021-59801
View Paper titled, Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks
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Topics: Artificial neural networks, Flaw detection, Optical quality control, Machine learning, Image processing, Inspection, Manufacturing, Nondestructive evaluation, Turbomachinery
Proceedings Papers

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59681
https://doi.org/10.1115/GT2021-59681
View Paper titled, Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion
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Topics: Aluminum alloys, Computer simulation, Corrosion, Stress corrosion cracking, Aerospace industry, Aerospace systems, Aircraft, Alloys, Deformation, Electrochemistry
Proceedings Papers

Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings

Quentin Fouliard, Johnathan Hernandez, Hossein Ebrahimi, Khanh Vo, Ranajay Ghosh, Seetha Raghavan, Frank Accornero, Mary McCay, Jun-Sang Park, Jonathan Almer
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59649
https://doi.org/10.1115/GT2021-59649
View Paper titled, Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings
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Topics: Thermal barrier coatings, X-ray diffraction, Coatings, Sensors, Temperature, Gas turbines, Stress, Cycles, Data collection, Diffraction patterns
Proceedings Papers

Streamer Formation in Particle Laden Polymeric Flows

Navin Kumar Chandra, Aloke Kumar, Ranajay Ghosh
Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T16A006, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2020-1069
https://doi.org/10.1115/ICNMM2020-1069
View Paper titled, Streamer Formation in Particle Laden Polymeric Flows
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Topics: Flow (Dynamics), Geometry, Particulate matter
Proceedings Papers

Modeling Thermally Grown Oxides in Thermal Barrier Coatings Using Koch Fractal

Peter Warren, Sandip Haldar, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91722
https://doi.org/10.1115/GT2019-91722
View Paper titled, Modeling Thermally Grown Oxides in Thermal Barrier Coatings Using Koch Fractal
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Topics: Fractals, Modeling, Thermal barrier coatings, Stress, Cracking (Materials), Creep, Delamination, Failure, Fracture (Process), Geometry
Proceedings Papers

Synchrotron XRD Measurements of Thermal Barrier Coating Configurations With Rare Earth Elements for Phosphor Thermometry

Sandip Haldar, Peter Warren, Quentin Fouliard, David Moreno, Mary McCay, Jun Sang Park, Peter Kenesei, Jonathan Almer, Ranajay Ghosh, Seetha Raghavan
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91013
https://doi.org/10.1115/GT2019-91013
View Paper titled, Synchrotron XRD Measurements of Thermal Barrier Coating Configurations With Rare Earth Elements for Phosphor Thermometry
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Topics: Phosphors, Temperature measurement, Thermal barrier coatings, Coatings, Temperature, Cycles, Data collection, Europium, High temperature, Luminescence
Proceedings Papers

Investigation of an Advanced Acoustic Based Nondestructive Evaluation Method

Peter Warren, Jason Williams, Paul Zombo, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90260
https://doi.org/10.1115/GT2019-90260
View Paper titled, Investigation of an Advanced Acoustic Based Nondestructive Evaluation Method
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Topics: Acoustics, Nondestructive evaluation, Heat, Advanced materials, Computation, Computer simulation, Crack detection, Emissions, Excitation, Finite element analysis
Proceedings Papers

Investigating Load Transfer in Ceramic Reinforcements

Peter Warren, Ranajay Ghosh, Sanjida Jahan, Seetha Raghavan
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77068
https://doi.org/10.1115/GT2018-77068
View Paper titled, Investigating Load Transfer in Ceramic Reinforcements
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Topics: Ceramics, Stress, Particulate matter, Composite materials, Ceramic composites, Simulation, Design, Engines, Finite element analysis, Fuel efficiency
Proceedings Papers

Mechanical Properties of Biomimetic Leaf Composite

Hamid Nayeb Hashemi, Gongdai Liu, Ashkan Vaziri, Masoud Olia, Ranajay Ghosh
Proc. ASME. IMECE2016, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis, V009T12A007, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-65503
https://doi.org/10.1115/IMECE2016-65503
View Paper titled, Mechanical Properties of Biomimetic Leaf Composite
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Topics: Biomimetics, Composite materials, Mechanical properties, Fibers, Architecture, Poisson ratio, Yield stress, Design, Finite element analysis, Stiffness
Journal Articles

Fully Lagrangian Modeling of Dynamics of MEMS With Thin Beams—Part II: Damped Vibrations

Ranajay Ghosh, Subrata Mukherjee
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2009, 76(5): 051008.
https://doi.org/10.1115/1.3086786
Published Online: June 18, 2009
View Article titled, Fully Lagrangian Modeling of Dynamics of MEMS With Thin Beams—Part II: Damped Vibrations
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Topics: Boundary element methods, Creeping flow, Damping, Dynamics of MEMS, Fluids, Microelectromechanical systems, Modeling, Plates (structures), Traction, Vibration
Journal Articles

Fully Lagrangian Modeling of Dynamics of MEMS With Thin Beams—Part I: Undamped Vibrations

Ranajay Ghosh, Subrata Mukherjee
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2009, 76(5): 051007.
https://doi.org/10.1115/1.3086785
Published Online: June 18, 2009
View Article titled, Fully Lagrangian Modeling of Dynamics of MEMS With Thin Beams—Part I: Undamped Vibrations
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Topics: Boundary element methods, Electric fields, Finite element methods, Finite element model, Integral equations, Microelectromechanical systems, Modeling, Vibration, Dynamics of MEMS, Deformation