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Proceedings Papers

Optimum Reinforcement of Damaged Structures Using a Homogenization Method

Ciro A. Soto, Alejandro R. Díaz, Noboru Kikuchi
Proc. ASME. DETC91, 17th Design Automation Conference: Volume 1 — Design Automation and Design Optimization, 257-264, September 22–25, 1991
Publisher: American Society of Mechanical Engineers
Paper No: DETC1991-0095
https://doi.org/10.1115/DETC1991-0095
View Paper titled, Optimum Reinforcement of Damaged Structures Using a Homogenization Method
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Topics: Damage, Shape optimization, Shapes
Proceedings Papers

Layout of Plate Structures for Improved Dynamic Response Using a Homogenization Method

Ciro A. Soto, Alejandro R. Diaz
Proc. ASME. DETC93, 19th Design Automation Conference: Volume 1 — Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization, 667-674, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0358
https://doi.org/10.1115/DETC1993-0358
View Paper titled, Layout of Plate Structures for Improved Dynamic Response Using a Homogenization Method
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Topics: Dynamic response, Plates (structures), Automotive industry, Computation, Engineering design processes, Optimization, Shapes
Proceedings Papers

On the Prediction of Extremal Material Properties and Optimal Material Distribution for Multiple Loading Conditions

Martin P. Bendsøe, Alejandro R. Díaz, Robert Lipton, John E. Taylor
Proc. ASME. DETC94, 20th Design Automation Conference: Volume 2 — Robust Design Applications; Decomposition and Design Optimization; Optimization Tools and Applications, 213-220, September 11–14, 1994
Publisher: American Society of Mechanical Engineers
Paper No: DETC1994-0130
https://doi.org/10.1115/DETC1994-0130
View Paper titled, On the Prediction of Extremal Material Properties and Optimal Material Distribution for Multiple Loading Conditions
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Topics: Materials properties, Tensors, Optimization, Structural optimization
Proceedings Papers

Hierarchical Solution of Large-Scale Three-Dimensional Topology Optimization Problems

Giuseppe C. A. DeRose, Jr., Alejandro R. Díaz
Proc. ASME. DETC-CIE96, Volume 3: 22nd Design Automation Conference, V003T03A074, August 18–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-DETC/DAC-1486
https://doi.org/10.1115/96-DETC/DAC-1486
View Paper titled, Hierarchical Solution of Large-Scale Three-Dimensional Topology Optimization Problems
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Topics: Optimization, Topology, Elasticity, Approximation, Finite element analysis, Octrees
Proceedings Papers

Solving Topology Optimization Problems Using Wavelet Approximations

Giuseppe C. A. DeRose, Jr., Alejandro R. Díaz
Proc. ASME. DETC98, Volume 2: 24th Design Automation Conference, V002T02A078, September 13–16, 1998
Publisher: American Society of Mechanical Engineers
Paper No: DETC98/DAC-5618
https://doi.org/10.1115/DETC98/DAC-5618
View Paper titled, Solving Topology Optimization Problems Using Wavelet Approximations
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Topics: Approximation, Optimization, Topology, Wavelets
Proceedings Papers

Fictitious Domain Solution of Frequency Response Problems

Sudarsanam Chellappa, Giuseppe C. A. DeRose, Jr., Alejandro R. Diaz
Proc. ASME. DETC99, Volume 1: 25th Design Automation Conference, 715-721, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/DAC-8583
https://doi.org/10.1115/DETC99/DAC-8583
View Paper titled, Fictitious Domain Solution of Frequency Response Problems
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Topics: Frequency response
Proceedings Papers

Basic Models for Topology Design Optimization in Crashworthiness Problems

Ciro A. Soto, Alejandro R. Diaz
Proc. ASME. DETC99, Volume 1: 25th Design Automation Conference, 1055-1064, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/DAC-8591
https://doi.org/10.1115/DETC99/DAC-8591
View Paper titled, Basic Models for Topology Design Optimization in Crashworthiness Problems
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Topics: Crashworthiness, Design, Optimization, Topology, Deformation, Structural elements (Construction), Trusses (Building), Vehicles
Proceedings Papers

On Improving the Accuracy of Lattice Models in Crashworthiness Analysis

Cori L. Ignatovich, Alejandro R. Diaz, Ciro A. Soto
Proc. ASME. IDETC-CIE2000, Volume 2: 26th Design Automation Conference, 937-943, September 10–13, 2000
Publisher: American Society of Mechanical Engineers
Paper No: DETC2000/DAC-14244
https://doi.org/10.1115/DETC2000/DAC-14244
View Paper titled, On Improving the Accuracy of Lattice Models in Crashworthiness Analysis
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Topics: Crashworthiness, Optimization, Design, Signals, Wavelet transforms
Proceedings Papers

Twinkling Phenomena in Snap-Through Oscillators

Brian F. Feeny, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2393-2398, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21584
https://doi.org/10.1115/DETC2001/VIB-21584
View Paper titled, Twinkling Phenomena in Snap-Through Oscillators
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Topics: Bifurcation, Chain, Equilibrium (Physics), Stiffness, Transients (Dynamics)
Proceedings Papers

Computational Performance of Wavelet-Based Meshless Methods in the Solution of Very Large Scale Elasticity Problems

Alejandro R. Diaz, Kazuya Yamaura
Proc. ASME. IDETC-CIE2001, Volume 2A: 27th Design Automation Conference, 373-380, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/DAC-21047
https://doi.org/10.1115/DETC2001/DAC-21047
View Paper titled, Computational Performance of Wavelet-Based Meshless Methods in the Solution of Very Large Scale Elasticity Problems
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Topics: Elasticity, Finite element analysis, Wavelets
Proceedings Papers

Optimization of Lattice Infill Distribution in Additive Manufacturing

Francesco Campagna, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2017, Volume 2A: 43rd Design Automation Conference, V02AT03A028, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67582
https://doi.org/10.1115/DETC2017-67582
View Paper titled, Optimization of Lattice Infill Distribution in Additive Manufacturing
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Topics: Additive manufacturing, Optimization, Bearings, Shapes, Stiffness, Stress, Topology
Journal Articles

Harmonic Balance Analysis of Snap-Through Orbits in an Undamped Duffing Oscillator

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. December 2015, 137(6): 064502.
Paper No: VIB-14-1430
https://doi.org/10.1115/1.4030718
Published Online: December 1, 2015
View Article titled, Harmonic Balance Analysis of Snap-Through Orbits in an Undamped Duffing Oscillator
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Topics: Approximation, Equations of motion, Fourier series, Dynamics (Mechanics)
Proceedings Papers

Origami Folding and Bar Frameworks

Alejandro R. Diaz
Proc. ASME. IDETC-CIE2014, Volume 5B: 38th Mechanisms and Robotics Conference, V05BT08A031, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34149
https://doi.org/10.1115/DETC2014-34149
View Paper titled, Origami Folding and Bar Frameworks
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Topics: Computation, Deformation, Eigenvalues, Finite element analysis, Mathematics, Optimization, Sensitivity analysis, Simulation, Stress, Trusses (Building)
Proceedings Papers

Harmonic Balance for Large-Amplitude Vibrations in Snap-Through Structures

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A042, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34264
https://doi.org/10.1115/DETC2014-34264
View Paper titled, Harmonic Balance for Large-Amplitude Vibrations in Snap-Through Structures
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Topics: Vibration, Algorithms, Approximation, Phase space
Journal Articles

“Eclipse” Bifurcation in a Twinkling Oscillator

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. June 2014, 136(3): 034504.
Paper No: VIB-13-1153
https://doi.org/10.1115/1.4026850
Published Online: April 1, 2014
View Article titled, “Eclipse” Bifurcation in a Twinkling Oscillator
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Topics: Bifurcation, Springs, Stiffness
Proceedings Papers

Global “Eclipse” Bifurcation in a Twinkling Oscillator

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A032, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13198
https://doi.org/10.1115/DETC2013-13198
View Paper titled, Global “Eclipse” Bifurcation in a Twinkling Oscillator
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Topics: Bifurcation, Stiffness
Proceedings Papers

Second-Order Perturbation Analysis of Low-Amplitude Traveling Waves in a Periodic Nonlinear Chain

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A099, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13207
https://doi.org/10.1115/DETC2013-13207
View Paper titled, Second-Order Perturbation Analysis of Low-Amplitude Traveling Waves in a Periodic Nonlinear Chain
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Topics: Chain, Periodic structures, Traveling waves
Journal Articles

Degenerate “Star” Bifurcations in a Twinkling Oscillator

Smruti R. Panigrahi, Brian F. Feeny, Alejandro R. Diaz
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2014, 136(2): 021004.
Paper No: VIB-13-1058
https://doi.org/10.1115/1.4025442
Published Online: December 9, 2013
View Article titled, Degenerate “Star” Bifurcations in a Twinkling Oscillator
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Topics: Bifurcation, Equilibrium (Physics), Eigenvalues
Journal Articles

Origami Design by Topology Optimization

Kazuko Fuchi, Alejandro R. Diaz
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. November 2013, 135(11): 111003.
Paper No: MD-13-1242
https://doi.org/10.1115/1.4025384
Published Online: September 24, 2013
View Article titled, Origami Design by Topology Optimization
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Topics: Design, Optimization, Topology
Proceedings Papers

Vibration Suppression in a Tension-Aligned Structure Through Sequential Application and Removal of Constraints

Tingli Cai, Ranjan Mukherjee, Alejandro R. Diaz
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 1293-1300, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-71390
https://doi.org/10.1115/DETC2012-71390
View Paper titled, Vibration Suppression in a Tension-Aligned Structure Through Sequential Application and Removal of Constraints
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Topics: Tension, Vibration suppression, Actuators, Vibration control, Architecture, Compression, Cycles, Damping, Vibration