1-19 of 19
Dimitris Lagoudas
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Designing a Morphable Parabolic Reflector Antenna Using Origami-Inspired Discretization and Efficient Global Optimization

Gregory Wilson, Dimitris Lagoudas, Darren Hartl
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A017, September 15, 2020
Paper No: SMASIS2020-2431
DOI: https://doi.org/10.1115/SMASIS2020-2431
View Paper
PDF
Topics: Design, Modeling, Optimization, Origami-inspired design, Optimization algorithms, Actuators, Radiation (Physics), Shape memory alloys, Shapes, Signals
Proceedings Papers

A Three-Dimensional Constitutive Model for Polycrystalline Shape Memory Alloys Under Large Strains Combined With Large Rotations

Lei Xu, Theocharis Baxevanis, Dimitris Lagoudas
Proc. ASME. SMASIS2018, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V002T02A007, September 10–12, 2018
Paper No: SMASIS2018-8050
DOI: https://doi.org/10.1115/SMASIS2018-8050
View Paper
PDF
Topics: Constitutive equations, Shape memory alloys, Deformation, Actuators, Torque, Active materials, Alloys, Creep, Density, Intermetallic compounds
Proceedings Papers

Engineering Design Tools for Shape Memory Alloy Actuators: CASMART Collaborative Best Practices and Case Studies

Robert W. Wheeler, Othmane Benafan, Xiujie Gao, Frederick T. Calkins, Zahra Ghanbari, Garrison Hommer, Dimitris Lagoudas, Andrew Petersen, Jennifer M. Pless, Aaron P. Stebner, Travis L. Turner
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T04A010, September 28–30, 2016
Paper No: SMASIS2016-9183
DOI: https://doi.org/10.1115/SMASIS2016-9183
View Paper
PDF
Topics: Actuators, Engineering design, Shape memory alloys, Design, Modeling, Stress, Solar cell arrays, Deformation, Engineering models, Engineering prototypes
Proceedings Papers

Design of a Reconfigurable SMA-Based Solar Array Deployment Mechanism

Robert Wheeler, Robert Saunders, Kelli Pickett, Cullen Eckert, Hannah Stroud, Tyler Fink, Kanika Gakhar, James Boyd, Dimitris Lagoudas
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T02A010, September 21–23, 2015
Paper No: SMASIS2015-9040
DOI: https://doi.org/10.1115/SMASIS2015-9040
View Paper
PDF
Topics: Design, Solar cell arrays, Actuators, Weight (Mass), Deformation, Metals, Phase transitions, Shape memory alloys, Solar energy, Stress
Proceedings Papers

Design and Analysis of a Self-Folding SMA-SMP Composite Laminate

Robert Saunders, Darren Hartl, Richard Malak, Dimitris Lagoudas
Proc. ASME. IDETC-CIE2014, Volume 5B: 38th Mechanisms and Robotics Conference, V05BT08A048, August 17–20, 2014
Paper No: DETC2014-35151
DOI: https://doi.org/10.1115/DETC2014-35151
View Paper
PDF
Topics: Composite materials, Design, Laminates, Shapes, Wire, Deflection, Deformation, Glass transition, Materials properties, Particle filtering (numerical methods)
Proceedings Papers

Effect of Processing and Loading on Equiatomic NiTi Fatigue Life and Localized Failure Mechanisms

Robert Wheeler, Judy Santa-Cruz, Darren Hartl, Dimitris Lagoudas
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A010, September 16–18, 2013
Paper No: SMASIS2013-3163
DOI: https://doi.org/10.1115/SMASIS2013-3163
View Paper
PDF
Topics: Failure mechanisms, Fatigue life, Nickel titanium alloys, Fatigue, Heat, Stress, Aerospace industry, Actuators, Computer software, Cooling
Proceedings Papers

Numerical Evaluation of the Effect of Ni 4 Ti 3 Precipitates on the Overall Thermo-Mechanical Response of NiTi Shape Memory Alloys

Austin Cox, Theocharis Baxevanis, Dimitris Lagoudas
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A012, September 16–18, 2013
Paper No: SMASIS2013-3183
DOI: https://doi.org/10.1115/SMASIS2013-3183
View Paper
PDF
Topics: Nickel titanium alloys, Thermomechanics
Proceedings Papers

On the Energy Release Rate During Global Thermo-Mechanically-Induced Phase Transformation in Shape Memory Alloys

Antonino Parrinello, Theocharis Baxevanis, Dimitris Lagoudas
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A014, September 16–18, 2013
Paper No: SMASIS2013-3187
DOI: https://doi.org/10.1115/SMASIS2013-3187
View Paper
PDF
Topics: Fracture (Materials), Phase transitions, Shape memory alloys
Proceedings Papers

Modeling of Shape Memory Alloy Wire Meshes Using Effective Lamina Properties for Improved Analysis Efficiency

Edwin Peraza-Hernandez, Darren Hartl, Dimitris Lagoudas
Proc. ASME. SMASIS2013, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation, V001T01A009, September 16–18, 2013
Paper No: SMASIS2013-3094
DOI: https://doi.org/10.1115/SMASIS2013-3094
View Paper
PDF
Topics: Modeling, Shape memory alloys, Wire, Finite element analysis, Laminates, Wire mesh, Calibration, Constitutive equations, Dimensions, Engineering simulation
Proceedings Papers

A Finite Element Study of Stable Crack-Growth in Superelastic Shape Memory Alloys

Antonino Parrinello, Theocharis Baxevanis, Dimitris Lagoudas, Austin Cox
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 1-7, September 19–21, 2012
Paper No: SMASIS2012-7912
DOI: https://doi.org/10.1115/SMASIS2012-7912
View Paper
PDF
Topics: Finite element analysis, Fracture (Materials), Phase transitions, Shape memory alloys
Proceedings Papers

Analytical Solution for Pseudoelastic Response of a Shape Memory Alloy Thick-Walled Cylinder Under Internal Pressure

Majid Tabesh, Bingfei Liu, James Boyd, Dimitris Lagoudas
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 223-236, September 19–21, 2012
Paper No: SMASIS2012-8187
DOI: https://doi.org/10.1115/SMASIS2012-8187
View Paper
PDF
Topics: Cylinders, Pressure, Shape memory alloys, Displacement, Hardening, Stress
Proceedings Papers

Influence of the Latent Heat of Transformation and Thermomechanical Coupling on the Performance of Shape Memory Alloy Actuators

Majid Tabesh, Brian Lester, Darren Hartl, Dimitris Lagoudas
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 237-248, September 19–21, 2012
Paper No: SMASIS2012-8188
DOI: https://doi.org/10.1115/SMASIS2012-8188
View Paper
PDF
Topics: Actuators, Design, Latent heat, Shape memory alloys, Thermomechanics
Proceedings Papers

Mode I Steady Crack-Growth in Superelastic Shape Memory Alloys

Theocharis Baxevanis, Dimitris Lagoudas, Chad Landis
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 33-38, September 19–21, 2012
Paper No: SMASIS2012-7934
DOI: https://doi.org/10.1115/SMASIS2012-7934
View Paper
PDF
Topics: Fracture (Materials), Shape memory alloys, Finite element analysis, Numerical analysis, Plane strain, Steady state, Stress, Thermomechanics, Wakes
Proceedings Papers

Design Optimization of a Shape Memory Alloy Actuated Morphing Aerostructure

Stephen Oehler, Darren Hartl, Dimitris Lagoudas, Richard Malak
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 421-429, September 18–21, 2011
Paper No: SMASIS2011-5068
DOI: https://doi.org/10.1115/SMASIS2011-5068
View Paper
PDF
Topics: Design, Optimization, Shape memory alloys, Finite element analysis, Constitutive equations, Deflection, Modeling, Actuators, Aerospace industry, Alloys
Proceedings Papers

On the Path-Dependency of the J -Integral in a Pseudoelastic Shape Memory Alloy

Theocharis Baxevanis, Yves Chemisky, Dimitris Lagoudas
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 347-353, September 18–21, 2011
Paper No: SMASIS2011-5004
DOI: https://doi.org/10.1115/SMASIS2011-5004
View Paper
PDF
Topics: Shape memory alloys, Fracture (Materials), Approximation, Boundary layers, Boundary-value problems, Finite element analysis, Flow (Dynamics), Kinematics, Stress
Proceedings Papers

Numerical Prediction of Effective Transformation Properties of Hybrid SMA-Ceramic Composites

Brian Lester, Yves Chemisky, Dimitris Lagoudas
Proc. ASME. SMASIS2010, ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 97-104, September 28–October 1, 2010
Paper No: SMASIS2010-3748
DOI: https://doi.org/10.1115/SMASIS2010-3748
View Paper
PDF
Topics: Ceramics, Composite materials, Metals, Cermets, Design, Mechanical properties, Phase diagrams, Phase transitions, Shape memory alloys, Stress
Proceedings Papers

Active Length Control of Shape Memory Alloy Wires Via Reinforcement Learning

Kenton Kirkpatrick, John Valasek, Dimitris Lagoudas
Proc. ASME. SMASIS2009, Volume 1: Active Materials, Mechanics and Behavior; Modeling, Simulation and Control, 267-276, September 21–23, 2009
Paper No: SMASIS2009-1430
DOI: https://doi.org/10.1115/SMASIS2009-1430
View Paper
PDF
Topics: Shape memory alloys, Wire, Temperature, Actuators, Algorithms, Computer simulation, Shapes, Aerospace industry, Hardware
Proceedings Papers

Three-Dimensional Modeling of Rate-Dependent Deformation in Shape Memory Alloys at High Temperatures

Darren Hartl, George Chatzigeorgiou, Dimitris Lagoudas
Proc. ASME. SMASIS2009, Volume 1: Active Materials, Mechanics and Behavior; Modeling, Simulation and Control, 309-316, September 21–23, 2009
Paper No: SMASIS2009-1468
DOI: https://doi.org/10.1115/SMASIS2009-1468
View Paper
PDF
Topics: Deformation, High temperature, Shape memory alloys, Three-dimensional modeling, Temperature, Shapes, Adaptive structures, Constitutive equations, Creep, Finite element analysis
Proceedings Papers

Numerically Implemented Constitutive Model for SMA Applications Experiencing General Loads Resulting in Plastic Deformation and Large Rotations

Darren Hartl, Jesse Mooney, Dimitris Lagoudas
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 421-429, October 28–30, 2008
Paper No: SMASIS2008-489
DOI: https://doi.org/10.1115/SMASIS2008-489
View Paper
PDF
Topics: Constitutive equations, Deformation, Stress, Adaptive structures, Algorithms, Computer simulation, Design, Plasticity, Shape memory alloys, Structural elements (Construction)