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Athanasios P. Iliopoulos
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Proceedings Papers

Towards Fatigue-Tolerant Design of Additively Manufactured Metamaterials

Nicole A. Apetre, Attilio Arcari, John G. Michopoulos, Steven N. Rodriguez, Athanasios P. Iliopoulos, John C. Steuben, Benjamin D. Graber
Proc. ASME. IDETC-CIE2023, Volume 2: 43rd Computers and Information in Engineering Conference (CIE), V002T02A017, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117512
https://doi.org/10.1115/DETC2023-117512
View Paper titled, Towards Fatigue-Tolerant Design of Additively Manufactured Metamaterials
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Topics: Additive manufacturing, Design, Fatigue, Metamaterials
Proceedings Papers

Multiphysics Missing Data Synthesis (MiDaS): A Machine-Learning Approach for Mitigating Data Gaps and Artifacts

John C. Steuben, Andrew B. Geltmacher, Steven N. Rodriguez, Benjamin D. Graber, Athanasios P. Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2023, Volume 2: 43rd Computers and Information in Engineering Conference (CIE), V002T02A090, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-115260
https://doi.org/10.1115/DETC2023-115260
View Paper titled, Multiphysics Missing Data Synthesis (MiDaS): A Machine-Learning Approach for Mitigating Data Gaps and Artifacts
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Topics: Machine learning, Maintenance, Computer simulation, Data acquisition, Engineering simulation, Modeling, Noise (Sound), Simulation, X-rays
Journal Articles

Metacomputing for Directly Computable Multiphysics Models

John G. Michopoulos, Athanasios P. Iliopoulos, John C. Steuben, Nicoleta A. Apetre
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Review Articles
J. Comput. Inf. Sci. Eng. December 2023, 23(6): 060820.
Paper No: JCISE-23-1241
https://doi.org/10.1115/1.4063103
Published Online: September 14, 2023
View Article titled, Metacomputing for Directly Computable Multiphysics Models
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Topics: Algebra, Anisotropy, Coordinate measuring machines, Modeling, Physics, Semantics, Tensors, Workflow, Computer software, Elasticity
Journal Articles

Effects of Elastoplasticity, Damage, and Environmental Exposure on the Behavior of Adhesive Step-Lap Joints

John G. Michopoulos, Nicole A. Apetre, Athanasios P. Iliopoulos, John C. Steuben
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. June 2023, 23(3): 030904.
Paper No: JCISE-22-1285
https://doi.org/10.1115/1.4056361
Published Online: December 21, 2022
View Article titled, Effects of Elastoplasticity, Damage, and Environmental Exposure on the Behavior of Adhesive Step-Lap Joints
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Topics: Adhesives, Damage, Displacement, Temperature, Fracture (Materials), Plasticity, Geometry
Proceedings Papers

Elasto-Plasticity, Damage and Multiphysics Effects on the Behavior of Adhesive Step Lap Joints

John G. Michopoulos, Nicole A. Apetre, Athanasios P. Iliopoulos, John C. Steuben
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A032, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-90996
https://doi.org/10.1115/DETC2022-90996
View Paper titled, Elasto-Plasticity, Damage and Multiphysics Effects on the Behavior of Adhesive Step Lap Joints
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Topics: Adhesives, Damage, Elastoplasticity, Failure, Design, Excitation, Plasticity, Aircraft, Alloys, Engineering design processes
Proceedings Papers

X-Ray Marching for the Computational Modeling of Tomographic Systems Applied to Materials Applications

John C. Steuben, Benjamin D. Graber, Athanasios P. Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A035, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-91129
https://doi.org/10.1115/DETC2022-91129
View Paper titled, X-Ray Marching for the Computational Modeling of Tomographic Systems Applied to Materials Applications
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Topics: Computer simulation, X-rays, Physics, Dimensions
Proceedings Papers

Localized Dielectric Sintering With Magnetron for Microwave Material Processing

Benjamin D. Graber, Athanasios P. Iliopoulos, John G. Michopoulos, John C. Steuben, Andrew J. Birnbaum, Edward P. Gorzkowski, Eric A. Patterson, Richard P. Fischer, George M. Petrov, Luke A. Johnson
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A037, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-91132
https://doi.org/10.1115/DETC2022-91132
View Paper titled, Localized Dielectric Sintering With Magnetron for Microwave Material Processing
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Topics: Materials processing, Microwaves, Sintering, Temperature, Heating, Materials properties, Microwave propagation, Radiation (Physics), Cavities, Ceramics
Proceedings Papers

Controlling Microwave Energy Deposition Using Active Plasma Elements for Material Processing Applications

Benjamin D. Graber, Athanasios P. Iliopoulos, John G. Michopoulos, John C. Steuben, Nicole A. Apetre, George M. Petrov, Luke A. Johnson, Richard P. Fischer, Edward P. Gorzkowski, Eric A. Patterson
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A033, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-91096
https://doi.org/10.1115/DETC2022-91096
View Paper titled, Controlling Microwave Energy Deposition Using Active Plasma Elements for Material Processing Applications
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Topics: Materials processing, Microwaves, Plasmas (Ionized gases), Ceramics, Geometry, Heating, Radiation (Physics), Couplings, Finite element analysis, Partial differential equations
eBook Chapter

A Computational Framework for Antibiofouling System Design

Publisher: ASME
Published: 2021
ISBN: 9780791862025
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Topics: Design, Biofouling, Drag (Fluid dynamics), Flow (Dynamics), Fuel consumption, Hull, Maintenance, Microorganisms, Ships
Journal Articles

Multiscale Tomographic Wave–Matter Interaction Modeling to Enable Artifact-Free Material Defect Reconstruction

John C. Steuben, John G. Michopoulos, Athanasios P. Iliopoulos, Benjamin D. Graber, Andrew J. Birnbaum
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. October 2021, 21(5): 050901.
Paper No: JCISE-20-1256
https://doi.org/10.1115/1.4049760
Published Online: May 10, 2021
View Article titled, Multiscale Tomographic Wave–Matter Interaction Modeling to Enable Artifact-Free Material Defect Reconstruction
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Topics: Geometry, Modeling, Sensors, Simulation, Waves, X-rays, Errors, Algorithms, Wave equations, Computerized tomography
Proceedings Papers

Investigating the Coupled Effects Between Rotor-Blade Aeroelasticity and Tip Vortex Stability

Steven N. Rodriguez, Athanasios P. Iliopoulos, John G. Michopoulos, Justin W. Jaworski
Proc. ASME. IDETC-CIE2020, Volume 9: 40th Computers and Information in Engineering Conference (CIE), V009T09A001, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22632
https://doi.org/10.1115/DETC2020-22632
View Paper titled, Investigating the Coupled Effects Between Rotor-Blade Aeroelasticity and Tip Vortex Stability
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Topics: Aeroelasticity, Blades, Rotors, Stability, Wake turbulence, Vortices, Wakes, Cycles, Eigenvalues, Fatigue
Proceedings Papers

Inverse Identification of Non-Linear ODEs for the Dynamic Control of Material Testing Systems

Evelyn M. Lunasin, Athanasios P. Iliopoulos, John G. Michopoulos, John C. Steuben
Proc. ASME. IDETC-CIE2020, Volume 9: 40th Computers and Information in Engineering Conference (CIE), V009T09A009, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22434
https://doi.org/10.1115/DETC2020-22434
View Paper titled, Inverse Identification of Non-Linear ODEs for the Dynamic Control of Material Testing Systems
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Topics: Materials testing, Control systems, Deformation, Differential equations, Equations of motion, Mechatronic devices, Noise (Sound), Robotics
Journal Articles

Evolution of Sliding Contact Wear Between Deformable Conducting Bodies via a Multiphysics Framework

John G. Michopoulos, Athanasios P. Iliopoulos, Nicole A. Apetre, John C. Steuben, Andrew J. Birnbaum
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. October 2020, 20(5): 051007.
Paper No: JCISE-19-1300
https://doi.org/10.1115/1.4047075
Published Online: May 26, 2020
View Article titled, Evolution of Sliding Contact Wear Between Deformable Conducting Bodies via a Multiphysics Framework
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Topics: Wear, Glass
eBook Chapter

Performance Signature Qualification for Additively Manufactured Parts under Conditions Emulating In-Service Loading

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2020
ISBN: 978-0-8031-7686-7
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Proceedings Papers

Electron Backscatter Diffraction-Enabled Anisotropic Thermo-Elastic Analysis of Additively Manufactured Single Tracks

Andrew J. Birnbaum, John G. Michopoulos, John C. Steuben, Athanasios P. Iliopoulos
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A039, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98351
https://doi.org/10.1115/DETC2019-98351
View Paper titled, Electron Backscatter Diffraction-Enabled Anisotropic Thermo-Elastic Analysis of Additively Manufactured Single Tracks
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Topics: Additive manufacturing, Anisotropy, Diffraction, Electron backscatter diffraction, Thermoelasticity, Crystals, Density, Ductility, Energy levels (Quantum mechanics), Geometry
Proceedings Papers

Enabling Performance Qualification of Additively Manufactured Parts Under Multiaxial Loading Emulating In-Service Conditions

John G. Michopoulos, Athanasios P. Iliopoulos, John C. Steuben, Trung Nguyen, Nam Phan
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A042, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98458
https://doi.org/10.1115/DETC2019-98458
View Paper titled, Enabling Performance Qualification of Additively Manufactured Parts Under Multiaxial Loading Emulating In-Service Conditions
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Topics: Additive manufacturing, Accounting, Aircraft, Construction, Fittings, Manufacturing, Robotic testing
Proceedings Papers

Phase Transformation Advancements of the Enriched Analytic Solution Method for Additive Manufacturing Applications

John C. Steuben, Andrew J. Birnbaum, Athanasios P. Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A035, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98189
https://doi.org/10.1115/DETC2019-98189
View Paper titled, Phase Transformation Advancements of the Enriched Analytic Solution Method for Additive Manufacturing Applications
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Topics: Additive manufacturing, Phase transitions, Finite element analysis, Modeling, Physics, Heat, Melting, Process control, Rapid prototyping, Simulation
Proceedings Papers

On the Effect of Glassy Coatings on the Wear of a Sliding Contact via Multiphysics Modeling

John G. Michopoulos, Athanasios P. Iliopoulos, John C. Steuben, Andrew J. Birnbaum, Nicole A. Apetre
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A019, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97677
https://doi.org/10.1115/DETC2019-97677
View Paper titled, On the Effect of Glassy Coatings on the Wear of a Sliding Contact via Multiphysics Modeling
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Topics: Coatings, Modeling, Wear, Glass, Aluminum alloys, Copper alloys, Heat, Strips, Thermomechanics
Proceedings Papers

Design of NRL66.4: An Electro-Hydraulic 6-DoF Parallel Robotic Multiaxial Material Testing System

John G. Michopoulos, Athanasios P. Iliopoulos, John C. Steuben, Benjamin D. Graber
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A004, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98360
https://doi.org/10.1115/DETC2019-98360
View Paper titled, Design of NRL66.4: An Electro-Hydraulic 6-DoF Parallel Robotic Multiaxial Material Testing System
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Topics: Design, Materials testing, Robotics, Kinematics, Testing, Additive manufacturing, Boundary-value problems, Damage, Degrees of freedom, Failure
Proceedings Papers

Surrogate Models for the Efficient Estimation of Residual Fields Associated With Additively Manufactured Parts

Athanasios P. Iliopoulos, John C. Steuben, Nicole A. Apetre, John G. Michopoulos
Proc. ASME. IDETC-CIE2019, Volume 1: 39th Computers and Information in Engineering Conference, V001T02A038, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98332
https://doi.org/10.1115/DETC2019-98332
View Paper titled, Surrogate Models for the Efficient Estimation of Residual Fields Associated With Additively Manufactured Parts
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Topics: Additive manufacturing, Physics, B-splines, Computers, Errors, Interpolation, Modeling, Simulation, Space, Stress