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Journal Articles

Toward Fatigue-Tolerant Design of Additively Manufactured Strut-Based Lattice Metamaterials

Nicoleta A. Apetre, John G. Michopoulos, Steven N. Rodriguez, Athanasios Iliopoulos, John C. Steuben, Benjamin D. Graber, Attilio Arcari
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. May 2024, 24(5): 051011.
Paper No: JCISE-23-1381
https://doi.org/10.1115/1.4065201
Published Online: April 18, 2024
View Article titled, Toward Fatigue-Tolerant Design of Additively Manufactured Strut-Based Lattice Metamaterials
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Topics: Additive manufacturing, Cycles, Density, Design, Failure, Fatigue, Geometry, Metamaterials, Stress, Struts (Engineering)
Proceedings Papers

Towards a Porosity Aware Stochastic Framework for Computing Apparent Mechanical Properties of Additively Manufactured Parts

Athanasios Iliopoulos, Colin A. Stewart, Andrew J. Birnbaum, John C. Steuben, David J. Rowenhorst, John G. Michopoulos
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A018, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-90992
https://doi.org/10.1115/DETC2022-90992
View Paper titled, Towards a Porosity Aware Stochastic Framework for Computing Apparent Mechanical Properties of Additively Manufactured Parts
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Topics: Additive manufacturing, Mechanical properties, Porosity, Finite element model, Stress, Equipment performance, Image processing, Metals, Microscopes, Pressure vessels
eBook Chapter

Multiphysics Integrated Computational Materials Engineering Linking Additive Manufacturing Process Parameters with Part Performance

Publisher: ASME
Published: 2021
ISBN: 9780791862025
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Topics: Additive manufacturing, Materials science
Proceedings Papers

Towards Real-Time Composite Material Characterization Using Surrogate Models and GPGPU Computing

John Steuben, John G. Michopoulos, Athanasios Iliopoulos, Cameron Turner
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A058, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46476
https://doi.org/10.1115/DETC2015-46476
View Paper titled, Towards Real-Time Composite Material Characterization Using Surrogate Models and GPGPU Computing
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Topics: Composite materials, Algorithms, Anisotropy, Approximation, Excitation, Noise (Sound), Response surface methodology, Robotics, Robustness, Synchronization
Proceedings Papers

Towards Inverse Estimation of Properties, Process Parameters and Residual Effects for Friction Stir Welding

Athanasios Iliopoulos, John G. Michopoulos, Samuel Lambrakos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A059, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46532
https://doi.org/10.1115/DETC2015-46532
View Paper titled, Towards Inverse Estimation of Properties, Process Parameters and Residual Effects for Friction Stir Welding
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Topics: Friction, Welding, Deformation, Modeling, Heat, Heat conduction
Proceedings Papers

Towards Crack Trajectory Identification via the Direct Strain Imaging Method

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A060, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46536
https://doi.org/10.1115/DETC2015-46536
View Paper titled, Towards Crack Trajectory Identification via the Direct Strain Imaging Method
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Topics: Fracture (Materials), Imaging, Trajectories (Physics), Finite element methods, Stress, Tensors
Proceedings Papers

Towards Identification of Lower Scale Composite Material Properties From Higher Scale Experimental Data via Inverse Analysis of Coupled Multiscale Models

Foteini Komninelli, Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A061, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46538
https://doi.org/10.1115/DETC2015-46538
View Paper titled, Towards Identification of Lower Scale Composite Material Properties From Higher Scale Experimental Data via Inverse Analysis of Coupled Multiscale Models
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Topics: Composite materials, Fibers, Microscale devices, Boundary-value problems, Chain, Damage, Elasticity, Laminates, Manufacturing, Materials properties
Proceedings Papers

On the Validation of a Multiphysics Theory for a Static Contact With Rough Surfaces

John G. Michopoulos, Marcus Young, Athanasios Iliopoulos, Harry N. Jones
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A017, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35180
https://doi.org/10.1115/DETC2014-35180
View Paper titled, On the Validation of a Multiphysics Theory for a Static Contact With Rough Surfaces
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Topics: Surface roughness, Contact resistance, Cylinders, Disks, Electric current, Partial differential equations, Physics, Pressure, Simulation, Spatiotemporal phenomena
Proceedings Papers

Towards a Computational Multiphysics Framework for Modeling Antibiofouling Processes

Athanasios Iliopoulos, John G. Michopoulos, Virginia DeGiorgi, Steven Policastro
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A018, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35401
https://doi.org/10.1115/DETC2014-35401
View Paper titled, Towards a Computational Multiphysics Framework for Modeling Antibiofouling Processes
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Topics: Biofouling, Boats, Cathodic protection, Chemical reactions, Design methodology, Drag (Fluid dynamics), Electric current, Electrodiffusion, Fuel consumption, Maintenance
Proceedings Papers

High Performance Parallelized Centroid Estimation of Image Components for Full Field Measurements

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A022, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34937
https://doi.org/10.1115/DETC2014-34937
View Paper titled, High Performance Parallelized Centroid Estimation of Image Components for Full Field Measurements
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Topics: Algorithms, Architecture, Displacement, Flow (Dynamics), Image processing, Strain measurement
Proceedings Papers

Multiphysics Challenges for Controlling Layered Manufacturing Processes Targeting Thermomechanical Performance

John G. Michopoulos, Samuel Lambrakos, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A050, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35170
https://doi.org/10.1115/DETC2014-35170
View Paper titled, Multiphysics Challenges for Controlling Layered Manufacturing Processes Targeting Thermomechanical Performance
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Topics: Additive manufacturing, Design, Heat transfer, Manufacturing, Modeling, Multiscale modeling, Ontologies, Process control, Simulation, Thermomechanics
Proceedings Papers

Inverse Determination of Moving Heat Flux Distributions Using Reduced Order Models

Brian H. Dennis, Ashkan Akbariyeh, John Michopoulos, Foteini Komninelli, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A026, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35274
https://doi.org/10.1115/DETC2014-35274
View Paper titled, Inverse Determination of Moving Heat Flux Distributions Using Reduced Order Models
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Topics: Heat flux, Finite element model, Optimization, Temperature, Inverse problems, Differential equations, Galerkin method, Heat transfer, Optimization algorithms, Parameter estimation
Proceedings Papers

Performance of Reduced Order Models of Moving Heat Source Deposition Problems for Efficient Inverse Analysis

John G. Michopoulos, Brian Dennis, Foteini Komninelli, Athanasios Iliopoulos, Ashkan Akbariyeh
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A027, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35365
https://doi.org/10.1115/DETC2014-35365
View Paper titled, Performance of Reduced Order Models of Moving Heat Source Deposition Problems for Efficient Inverse Analysis
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Topics: Heat, Finite element analysis, Heat transfer, Performance characterization, Principal component analysis, Sensitivity analysis
Proceedings Papers

Performance of a Lotka-Volterra System for Representing Biofouling Processes

Foteini Komninelli, Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A016, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35002
https://doi.org/10.1115/DETC2014-35002
View Paper titled, Performance of a Lotka-Volterra System for Representing Biofouling Processes
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Topics: Biofouling, Spatiotemporal phenomena, Finite element analysis
Proceedings Papers

Multiscale and Multifield Multiphysics of High Current Pulse Static Contact With Rough Surfaces

John G. Michopoulos, Marcus Young, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A022, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12879
https://doi.org/10.1115/DETC2013-12879
View Paper titled, Multiscale and Multifield Multiphysics of High Current Pulse Static Contact With Rough Surfaces
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Topics: Surface roughness, Electric current, Heat conduction, Stress, Bulk solids, Compression, Currents, Cylinders, Electromagnetic induction, Heating
Proceedings Papers

Towards Multiphysics Modeling of Chlorine Dilution

Athanasios Iliopoulos, John G. Michopoulos, Virginia DeGiorgi
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A023, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13018
https://doi.org/10.1115/DETC2013-13018
View Paper titled, Towards Multiphysics Modeling of Chlorine Dilution
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Topics: Modeling, Hull, Ships, Biofouling, Cathodic protection, Chemical reactions, Convection, Corrosion, Current density, Diffusion (Physics)
Proceedings Papers

Surface Discontinuity Detection via Direct Strain Imaging

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A024, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13013
https://doi.org/10.1115/DETC2013-13013
View Paper titled, Surface Discontinuity Detection via Direct Strain Imaging
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Topics: Imaging, Fracture (Materials), Strain measurement, Noise (Sound), Shapes, Tensors, Uncertainty
Proceedings Papers

Performance Analysis and Experimental Validation of the Direct Strain Imaging Method

Athanasios Iliopoulos, John G. Michopoulos, John C. Hermanson
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A025, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13015
https://doi.org/10.1115/DETC2013-13015
View Paper titled, Performance Analysis and Experimental Validation of the Direct Strain Imaging Method
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Topics: Imaging, Composite materials, Displacement, Strain measurement, Tension, Tensors
Proceedings Papers

Inverse Characterization of Composite Materials Using Surrogate Models

John Steuben, John Michopoulos, Athanasios Iliopoulos, Cameron Turner
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A007, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12656
https://doi.org/10.1115/DETC2013-12656
View Paper titled, Inverse Characterization of Composite Materials Using Surrogate Models
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Topics: B-splines, Composite materials, Elasticity, Mechanical properties, Modeling, Noise (Sound), Robotics, Statistical analysis, Testing
eBook Chapter

Advances on the Constitutive Characterization of Composites via Multiaxial Robotic Testing and Design Optimization

Publisher: ASME Press
Published: 2014
ISBN: 9780791860328
Open the PDF for Advances on the Constitutive Characterization of Composites via Multiaxial Robotic Testing and Design Optimization in another window
Topics: Composite materials, Design, Optimization, Robotic testing