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Uttam K. Chakravarty
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Journal Articles

An Investigation of Tensile, Fatigue, and Fracture Behavior of 3D-Printed Polymers

M. Shafiqur Rahman, Chowdhury Sadid Alam, Mohammad Khairul Habib Pulok, Congyuan Zeng, Uttam K. Chakravarty
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2025, 147(1): 011001.
Paper No: MATS-24-1061
https://doi.org/10.1115/1.4065958
Published Online: August 6, 2024
View Article titled, An Investigation of Tensile, Fatigue, and Fracture Behavior of 3D-Printed Polymers
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Topics: Fatigue, Fracture (Materials), Fracture (Process), Simulation, Stress, Crack propagation, Polymers, Additive manufacturing
Journal Articles

A Machine Learning Framework for Melt-Pool Geometry Prediction and Process Parameter Optimization in the Laser Powder-Bed Fusion Process

M. Shafiqur Rahman, Naw Safrin Sattar, Radif Uddin Ahmed, Jonathan Ciaccio, Uttam K. Chakravarty
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2024, 146(4): 041006.
Paper No: MATS-24-1050
https://doi.org/10.1115/1.4065687
Published Online: August 6, 2024
View Article titled, A Machine Learning Framework for Melt-Pool Geometry Prediction and Process Parameter Optimization in the Laser Powder-Bed Fusion Process
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Topics: Errors, Geometry, Lasers, Machine learning, Optimization, Porosity, Modeling, Sensitivity analysis
Includes: Supplementary data
Proceedings Papers

Flexural Strength and Shear Properties of Sandwich Composites Made of 3D-Printed Cores

Gazi Abu Raihan, Uttam K. Chakravarty
Proc. ASME. SSDM2024, ASME 2024 Aerospace Structures, Structural Dynamics, and Materials Conference, V001T01A011, April 29–May 1, 2024
Publisher: American Society of Mechanical Engineers
Paper No: SSDM2024-121190
https://doi.org/10.1115/SSDM2024-121190
View Paper titled, Flexural Strength and Shear Properties of Sandwich Composites Made of 3D-Printed Cores
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Topics: Additive manufacturing, Bending strength, Composite materials, Shear strength
Proceedings Papers

Fluid-Structure Interaction Model of a Wind Turbine Blade

Gazi Abu Raihan, Uttam K. Chakravarty
Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T05A011, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-111772
https://doi.org/10.1115/IMECE2023-111772
View Paper titled, Fluid-Structure Interaction Model of a Wind Turbine Blade
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Topics: Blades, Computational fluid dynamics, Finite element analysis, Fluid structure interaction, Modeling, Wind turbines
Proceedings Papers

Dynamic Analysis of a Cracked Composite Beam

Pratik Sarker, Uttam K. Chakravarty
Proc. ASME. IMECE2023, Volume 12: Micro- and Nano-Systems Engineering and Packaging, V012T13A030, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113709
https://doi.org/10.1115/IMECE2023-113709
View Paper titled, Dynamic Analysis of a Cracked Composite Beam
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Topics: Composite building materials, Composite materials, Dynamic analysis, Vibration, Fracture (Materials), Dynamic testing (Materials), Epoxy adhesives, Epoxy resins, Failure, Finite element analysis
Proceedings Papers

An Investigation on the Aerodynamic Characteristics of An Electroactive Membrane

Oluwatosin Ojo, Ji Su, Uttam K. Chakravarty
Proc. ASME. IMECE2023, Volume 12: Micro- and Nano-Systems Engineering and Packaging, V012T13A016, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113491
https://doi.org/10.1115/IMECE2023-113491
View Paper titled, An Investigation on the Aerodynamic Characteristics of An Electroactive Membrane
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Topics: Drag (Fluid dynamics), Elastomers, Membranes, Flow (Dynamics), Actuators, Aerodynamics, Computational fluid dynamics, Conducting polymers, Deformation, Elasticity
Proceedings Papers

Structural Analysis of Additively Manufactured Polymeric Auxetic Metamaterials

Gazi Abu Raihan, Uttam K. Chakravarty
Proc. ASME. IMECE2023, Volume 12: Micro- and Nano-Systems Engineering and Packaging, V012T13A017, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113839
https://doi.org/10.1115/IMECE2023-113839
View Paper titled, Structural Analysis of Additively Manufactured Polymeric Auxetic Metamaterials
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Topics: Additive manufacturing, Metamaterials, Modal analysis, Structural analysis
Proceedings Papers

An Investigation of the Mechanical Properties of a Soft Metamaterial

Walter Loop, Ji Su, Uttam K. Chakravarty
Proc. ASME. IMECE2023, Volume 12: Micro- and Nano-Systems Engineering and Packaging, V012T13A018, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-114080
https://doi.org/10.1115/IMECE2023-114080
View Paper titled, An Investigation of the Mechanical Properties of a Soft Metamaterial
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Topics: Aerospace industry, Finite element analysis, Mechanical properties, Metamaterials
Proceedings Papers

Numerical Analysis of the Vibration of Slender Beams

Pratik Sarker, Uttam K. . Chakravarty
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A019, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95186
https://doi.org/10.1115/IMECE2022-95186
View Paper titled, Numerical Analysis of the Vibration of Slender Beams
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Topics: Finite difference methods, Numerical analysis, Vibration
Proceedings Papers

Thermo-Mechanical Process Modeling of Additive Friction Stir Deposition of Ti-6Al-4V Alloy

Gazi Abu Raihan, Uttam K. Chakravarty
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A018, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94717
https://doi.org/10.1115/IMECE2022-94717
View Paper titled, Thermo-Mechanical Process Modeling of Additive Friction Stir Deposition of Ti-6Al-4V Alloy
Open the PDF for Thermo-Mechanical Process Modeling of Additive Friction Stir Deposition of Ti-6Al-4V Alloy in another window
Topics: Additive manufacturing, Alloys, Computational fluid dynamics, Friction, Modeling, Thermomechanics
Proceedings Papers

An Investigation on a Novel Soft Metamaterial for Space Applications

Mohammad Khairul Habib Pulok, Pratik Sarker, Uttam K. Chakravarty
Proc. ASME. IMECE2022, Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters, V009T13A009, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94719
https://doi.org/10.1115/IMECE2022-94719
View Paper titled, An Investigation on a Novel Soft Metamaterial for Space Applications
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Topics: Fractals, Geometry, Metamaterials
Proceedings Papers

An Investigation on the Aerodynamics, Vibrations, and Control of an Electroactive Membrane

Oluwatosin Ojo, Mohammed Khairul Habib Pulok, Ji Su, Uttam K. Chakravarty
Proc. ASME. IMECE2022, Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters, V009T13A008, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94540
https://doi.org/10.1115/IMECE2022-94540
View Paper titled, An Investigation on the Aerodynamics, Vibrations, and Control of an Electroactive Membrane
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Topics: Aerodynamics, Elastomers, Finite element model, Membranes, Mode shapes, Vibration
Proceedings Papers

Crack Propagation and Fracture Toughness of Additively Manufactured Polymers

Mohammad Khairul Habib Pulok, M. Shafiqur Rahman, Uttam K. Chakravarty
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A027, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-72061
https://doi.org/10.1115/IMECE2021-72061
View Paper titled, Crack Propagation and Fracture Toughness of Additively Manufactured Polymers
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Topics: Additive manufacturing, Crack propagation, Fatigue, Fracture toughness, Polymers
Proceedings Papers

A Machine Learning Approach for Predicting Melt-Pool Dynamics of Ti-6Al-4V Alloy in the Laser Powder-Bed Fusion Process

M. Shafiqur Rahman, Jonathan Ciaccio, Uttam K. Chakravarty
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A025, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-71348
https://doi.org/10.1115/IMECE2021-71348
View Paper titled, A Machine Learning Approach for Predicting Melt-Pool Dynamics of Ti-6Al-4V Alloy in the Laser Powder-Bed Fusion Process
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Topics: Alloys, Dynamics (Mechanics), Lasers, Machine learning
Proceedings Papers

On the Dynamic Response of a Dielectric Elastomer Membrane

Pratik Sarker, Uttam K. Chakravarty
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A022, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70077
https://doi.org/10.1115/IMECE2021-70077
View Paper titled, On the Dynamic Response of a Dielectric Elastomer Membrane
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Topics: Dynamic response, Elastomers, Fluid structure interaction, Membranes, Structural dynamics, Deformation, Finite element model, Aerodynamics, Air flow, Conducting polymers
Proceedings Papers

An Investigation of the Wake and Vortex Formation of a Helicopter Rotor Blade

Mohammad Khairul Habib Pulok, Uttam K. Chakravarty
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A024, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70777
https://doi.org/10.1115/IMECE2021-70777
View Paper titled, An Investigation of the Wake and Vortex Formation of a Helicopter Rotor Blade
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Topics: Blades, Fluid structure interaction, Rotors, Vortices, Wake turbulence, Wakes
Proceedings Papers

Tensile and Fatigue Response of the Laser Powder-Bed Fused Ti-6Al-4V Alloy at High Temperature Conditions

M. Shafiqur Rahman, Mohammad Khairul Habib Pulok, Uttam K. Chakravarty
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A026, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-72043
https://doi.org/10.1115/IMECE2021-72043
View Paper titled, Tensile and Fatigue Response of the Laser Powder-Bed Fused Ti-6Al-4V Alloy at High Temperature Conditions
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Topics: Alloys, Fatigue, Finite element analysis, High temperature, Lasers
Proceedings Papers

Aerodynamic and Vibration Analysis of the Morphing Wings of a Hypersonic Vehicle

Mohammad Khairul Habib Pulok, Uttam K. Chakravarty
Proc. ASME. IMECE2020, Volume 4: Advances in Aerospace Technology, V004T04A013, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23663
https://doi.org/10.1115/IMECE2020-23663
View Paper titled, Aerodynamic and Vibration Analysis of the Morphing Wings of a Hypersonic Vehicle
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Topics: Aerodynamics, Vehicles, Vibration analysis, Wings
Proceedings Papers

An Investigation of the Aerodynamic and Vibration Behavior of a Helicopter Rotor Blade

Mohammad Khairul Habib Pulok, Uttam K. Chakravarty
Proc. ASME. IMECE2020, Volume 4: Advances in Aerospace Technology, V004T04A015, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23668
https://doi.org/10.1115/IMECE2020-23668
View Paper titled, An Investigation of the Aerodynamic and Vibration Behavior of a Helicopter Rotor Blade
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Topics: Blades, Mode shapes, Rotors, Vibration, Aircraft, Fluid structure interaction, Wings, Aerodynamics, Computational fluid dynamics, Computational methods
Proceedings Papers

Heat Transfer and Melt-Pool Evolution During Powder-Bed Fusion of Ti-6Al-4V Parts Under Various Laser Irradiation Conditions

M. Shafiqur Rahman, Paul J. Schilling, Paul D. Herrington, Uttam K. Chakravarty
Proc. ASME. IMECE2020, Volume 4: Advances in Aerospace Technology, V004T04A017, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23838
https://doi.org/10.1115/IMECE2020-23838
View Paper titled, Heat Transfer and Melt-Pool Evolution During Powder-Bed Fusion of Ti-6Al-4V Parts Under Various Laser Irradiation Conditions
Open the PDF for Heat Transfer and Melt-Pool Evolution During Powder-Bed Fusion of Ti-6Al-4V Parts Under Various Laser Irradiation Conditions in another window
Topics: Computational fluid dynamics, Dynamics (Mechanics), Heat transfer, Irradiation (Radiation exposure), Lasers