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Andrés Tovar
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Proceedings Papers

Multiscale Topology Optimization With Gaussian Process Regression Models

Joel C. Najmon, Homero Valladares, Andres Tovar
Proc. ASME. IDETC-CIE2021, Volume 3B: 47th Design Automation Conference (DAC), V03BT03A001, August 17–19, 2021
Paper No: DETC2021-66758
DOI: https://doi.org/10.1115/DETC2021-66758
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Topics: Optimization, Regression models, Topology
Journal Articles

Mechatronic Design and Active Disturbance Rejection Control of a Bag Valve-Based Mechanical Ventilator

Jaime Arcos-Legarda, Andres Tovar
Journal: Journal of Medical Devices
Article Type: Research-Article
J. Med. Devices. September 2021, 15(3): 031006.
Paper No: MED-20-1176
DOI: https://doi.org/10.1115/1.4051064
Published Online: May 27, 2021
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Topics: Design, Pressure, Valves, Ventilation, Lung, Engineering prototypes, Actuators, Compression, Hardware
Proceedings Papers

A Simple and Effective Methodology to Perform Multi-Objective Bayesian Optimization: An Application in the Design of Sandwich Composite Armors for Blast Mitigation

Homero Valladares, Andres Tovar
Proc. ASME. IDETC-CIE2020, Volume 11A: 46th Design Automation Conference (DAC), V11AT11A056, August 17–19, 2020
Paper No: DETC2020-22564
DOI: https://doi.org/10.1115/DETC2020-22564
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Topics: Composite materials, Design, Optimization
Proceedings Papers

A Parametric Study on the Effects of Reynolds Number on the Topology Optimization of Navier-Stokes Flows

Joel C. Najmon, Tong Wu, Andres Tovar
Proc. ASME. IDETC-CIE2020, Volume 11A: 46th Design Automation Conference (DAC), V11AT11A059, August 17–19, 2020
Paper No: DETC2020-22690
DOI: https://doi.org/10.1115/DETC2020-22690
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Topics: Darcy's law, Flow (Dynamics), Optimization, Reynolds number, Sensitivity analysis, Topology
Proceedings Papers

Topology Optimization of Plastic Parts for Injection Molding

Kathryn Oliver, Sohel Anwar, Andres Tovar
Proc. ASME. IMECE2019, Volume 14: Design, Systems, and Complexity, V014T14A021, November 11–14, 2019
Paper No: IMECE2019-11069
DOI: https://doi.org/10.1115/IMECE2019-11069
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Topics: Injection molding, Manufacturing, Optimization, Topology, Casting, Extruding, Additive manufacturing, Conceptual design, Design, Finite element analysis
Proceedings Papers

Optimal Design for Deployable Structures Using Origami Tessellations

Carolina Cardona, Andres Tovar, Sohel Anwar
Proc. ASME. IMECE2019, Volume 4: Dynamics, Vibration, and Control, V004T05A021, November 11–14, 2019
Paper No: IMECE2019-11062
DOI: https://doi.org/10.1115/IMECE2019-11062
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Topics: Design, Optimization, Algorithms, Design methodology, Natural disasters, Origami-inspired design, Theorems (Mathematics), Tiles, Topology
Proceedings Papers

Thermomechanical Topology Optimization of Lattice Heat Transfer Structure Including Natural Convection and Design Dependent Heat Source

Tong Wu, Joel C. Najmon, Andres Tovar
Proc. ASME. IDETC-CIE2019, Volume 2A: 45th Design Automation Conference, V02AT03A056, August 18–21, 2019
Paper No: DETC2019-97628
DOI: https://doi.org/10.1115/DETC2019-97628
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Topics: Design, Heat, Heat transfer, Natural convection, Optimization, Thermomechanics, Topology
Journal Articles

Design for Crashworthiness of Categorical Multimaterial Structures Using Cluster Analysis and Bayesian Optimization

Kai Liu, Tong Wu, Duane Detwiler, Jitesh Panchal, Andres Tovar
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. December 2019, 141(12): 121701.
Paper No: MD-19-1029
DOI: https://doi.org/10.1115/1.4044838
Published Online: September 26, 2019
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Topics: Design, Optimization, Conceptual design, Algorithms, Structural optimization
Proceedings Papers

Optimal Mechatronic Design of a Quadruped Robot With Compliant Legs

Jaime Arcos-Legarda, Khunsa Hisham, Sohel Anwar, Andres Tovar
Proc. ASME. IMECE2018, Volume 4A: Dynamics, Vibration, and Control, V04AT06A032, November 9–15, 2018
Paper No: IMECE2018-88055
DOI: https://doi.org/10.1115/IMECE2018-88055
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Topics: Design, Robots, Actuators, Generators, Feedback, Additive manufacturing, Control systems, Degrees of freedom, Kinematics, Polynomials
Proceedings Papers

Design for Additive Manufacturing of Conformal Cooling Channels Using Thermal-Fluid Topology Optimization and Application in Injection Molds

Tong Wu, Andres Tovar
Proc. ASME. IDETC-CIE2018, Volume 2B: 44th Design Automation Conference, V02BT03A007, August 26–29, 2018
Paper No: DETC2018-85511
DOI: https://doi.org/10.1115/DETC2018-85511
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Topics: Additive manufacturing, Cooling, Design, Optimization, Thermofluids, Topology, Conceptual design, Cooling systems, Flow (Dynamics), Algorithms
Journal Articles

Special Issue: Design of Engineered Materials and Structures

Raymundo Arroyave, James Guest, Carolyn Conner Seepersad, Andres Tovar, Yan Wang
Journal: Journal of Mechanical Design
Article Type: Editorial
J. Mech. Des. November 2018, 140(11): 110301.
Paper No: MD-18-1625
DOI: https://doi.org/10.1115/1.4041254
Published Online: September 18, 2018
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Topics: Design, Optimization
Journal Articles

Cluster-Based Optimization of Cellular Materials and Structures for Crashworthiness

Kai Liu, Duane Detwiler, Andres Tovar
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. November 2018, 140(11): 111412.
Paper No: MD-18-1219
DOI: https://doi.org/10.1115/1.4040960
Published Online: September 10, 2018
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Topics: Conceptual design, Design, Optimization, Crashworthiness
Proceedings Papers

Towards the Optimal Crown-to-Implant Ratio in Dental Implants

T. J. Sego, Yung-Ting Hsu, Tien-Min Gabriel Chu, Andres Tovar
Proc. ASME. IDETC-CIE2017, Volume 3: 19th International Conference on Advanced Vehicle Technologies; 14th International Conference on Design Education; 10th Frontiers in Biomedical Devices, V003T13A009, August 6–9, 2017
Paper No: DETC2017-67889
DOI: https://doi.org/10.1115/DETC2017-67889
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Topics: Biological tissues, Biomechanics, Deformation, Finite element model, Mechanical stability, Stability
Proceedings Papers

Structural Optimization of Injection Molds With Lattice Cooling

Tong Wu, Namrata Upadhyaya, Douglas Acheson, Andres Tovar
Proc. ASME. IDETC-CIE2017, Volume 2B: 43rd Design Automation Conference, V02BT03A008, August 6–9, 2017
Paper No: DETC2017-67975
DOI: https://doi.org/10.1115/DETC2017-67975
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Topics: Cooling, Structural optimization, Porosity, Additive manufacturing, Convection, Design, Equipment performance, Heat, Bulk modulus, Elasticity
Proceedings Papers

Force Diverting Helmet Liner Achieved Through a Lattice of Multi-Material Compliant Mechanisms

Vaibhav Gokhale, Prasad Tapkir, Andres Tovar
Proc. ASME. IDETC-CIE2017, Volume 2B: 43rd Design Automation Conference, V02BT03A005, August 6–9, 2017
Paper No: DETC2017-67684
DOI: https://doi.org/10.1115/DETC2017-67684
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Topics: Compliant mechanisms, Design, Sports, Stress, Crashworthiness, Engineering simulation, Finite element analysis, Gears, Hinges, Impact testing
Journal Articles

Special Issue: Design of Engineered Materials and Structures

Carolyn Seepersad, Raymundo Arroyave, Guest James, Andres Tovar, Yan Wang
Journal: Journal of Mechanical Design
Article Type: Announcements
J. Mech. Des. December 2017, 139(12): 128001.
Paper No: MD-17-1645
DOI: https://doi.org/10.1115/1.4038057
Published Online: October 12, 2017
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Topics: Design, Simulation, Optimization
Journal Articles

Optimal Design of Nonlinear Multimaterial Structures for Crashworthiness Using Cluster Analysis

Kai Liu, Duane Detwiler, Andres Tovar
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. October 2017, 139(10): 101401.
Paper No: MD-16-1637
DOI: https://doi.org/10.1115/1.4037620
Published Online: August 30, 2017
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Topics: Conceptual design, Design, Optimization
Proceedings Papers

On the Significance and Predicted Functional Effects of the Crown-to-Implant Ratio: A Finite Element Study of Long-Term Implant Stability Using High-Resolution, Nonlinear Numerical Analysis

T. J. Sego, Yung-Ting Hsu, Tien-Min Gabriel Chu, Andres Tovar
Proc. ASME. IMECE2016, Volume 3: Biomedical and Biotechnology Engineering, V003T04A033, November 11–17, 2016
Paper No: IMECE2016-67654
DOI: https://doi.org/10.1115/IMECE2016-67654
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Topics: Bone, Design, Finite element analysis, Finite element model, Fracture (Materials), Fracture (Process), Numerical analysis, Resolution (Optics), Risk, Stability
Proceedings Papers

Multiphase Thermomechanical Topology Optimization of Functionally Graded Lattice Injection Molds

Tong Wu, Kai Liu, Andres Tovar
Proc. ASME. IDETC-CIE2016, Volume 2A: 42nd Design Automation Conference, V02AT03A036, August 21–24, 2016
Paper No: DETC2016-60538
DOI: https://doi.org/10.1115/DETC2016-60538
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Topics: Optimization, Thermomechanics, Topology, Design, Heat conduction, Stiffness, Additive manufacturing, Boundary-value problems, Conceptual design, Degrees of freedom
Proceedings Papers

Design of Self-Supported 3D Printed Parts for Fused Deposition Modeling

Fabian Lischke, Andres Tovar
Proc. ASME. IDETC-CIE2016, Volume 4: 21st Design for Manufacturing and the Life Cycle Conference; 10th International Conference on Micro- and Nanosystems, V004T05A009, August 21–24, 2016
Paper No: DETC2016-60569
DOI: https://doi.org/10.1115/DETC2016-60569
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Topics: Additive manufacturing, Design, Modeling, Simulation, Computer simulation, Deflection, Errors, Collapse, Construction, Deformation