Student Bio: Oliver Giraldo-Londoño

Oliver Giraldo-Londoño
Graduate Research Assistant
4132 Jesse W. Mason Building
790 Atlantic Drive NW
Atlanta, GA, 30318
e-mail: ogiraldo6@princeton.edu
Education
| Graduate | |||
| Doctor of Philosophy, Civil Engineering | Aug 2016 - present | ||
| School of Civil and Environmental Engineering | |||
| Georgia Institute of Technology - Atlanta, GA | |||
| PhD Student, Civil Engineering | Aug 2014 - Jul 2016 | ||
| Department of Civil and Environmental Engineering | |||
| University of Illinois - Urbana-Champaign, Illinois | |||
| Master of Science in Civil Engineering | Mar 2012 - May 2014 | ||
| Department of Civil Engineering | |||
| Ohio University - Athens, Ohino | |||
| Undergraduate | |||
| Bachelor of Science in Civil Engineering | Aug 2004 - Mar 2010 | ||
| Department of Civil Engineering | |||
| National University of Colombia - Medellin, Colombia | |||
Research Interests
Topology Optimization
- Stress-constrained topology optimization
- Multi-physics topology optimization
- Single- and multi-material topology optimization of nonlinear structures
- Topology optimization of multi-material viscoelastic microstructures and soft materials
- Multi-scale topology optimization
Fracture Mechanics
- Cohesive zone modeling
- Computational fracture analysis of rate-dependent materials
- Fractional calculus-based constitutive models for fracture simulation of soft materials
Nonlinear Mechanics
- Buckling and post-buckling analysis of Timoshenko beam-columns
- Nonlinear analysis of structures with initial geometric imperfections and semi-rigid connections
- Large-deflection analysis of structures subjected to high temperatures
Research Experience
| Graduate Research Assistant | Aug 2016 - present | |
| School of Civil and Environmental Engineering | ||
| Georgia Institute of Technology | ||
| Graduate Research Assistant | Aug 2014 - Aug 2016 | |
| Department of Civil and Environmental Engineering | ||
| University of Illinois at Urbana-Champaign | ||
| Graduate Research Assistant | June 2012 - Aug 2014 | |
| Department of Civil Engineering | ||
| Ohio University at Athens | ||
| Undergraduate Research Assistant | Mar 2010 - Mar 2012 | |
| Department of Civil Engineering | ||
| National University of Colombia | ||
Teaching Experience
| Instructor of Numerical Methods | Jan 2012 - Apr 2012 | |
| School of Environmental Engineering | ||
| Universidad de Antioquia (Colombia) | ||
| Instructor of Statics of Structures | Feb 2011 - Apr 2012 | |
| School of Environmental Engineering | ||
| Universidad de Antioquia (Colombia) | ||
| Undergraduate Teaching Assistant and Instructor of Calculus | Jul 2006 - Nov 2009 | |
| School of Mathematics | ||
| National University of Colombia | ||
Publications
| Giraldo-Londoño, O., and Paulino, G. H. (2019). Fractional topology optimization of periodic multi-material viscoelastic microstructures with tailored energy dissipation. (under review). | ||
| Giraldo-Londoño, O., Mirabella, L., Dalloro, L., and Paulino, G. H. (2019). Multi-material thermomechanical topology optimization with applications to additive manufacturing: Design of main composite structure and support structure. (under review). | ||
| Vasconcelos da Senhora, F., Giraldo-Londoño, O., Menezes, I. F. M., and Paulino, G. H. (2019). Topology optimization with local stress constraints: An aggregation-free approach. (under review). | ||
| Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2019). Fractional calculus derivation of a rate-dependent PPR-based cohesive fracture model: Theory, implementation, and numerical results. International Journal of Fracture, 216(1):1-29. (PDF) | ||
| Giraldo-Londoño, O., Spring, D. W., Paulino, G. H., and Buttlar, W. G. (2018). An efficient mixed-mode rate-dependent cohesive fracture model using sigmoidal functions. Engineering Fracture Mechanics, 192:307-327. (PDF) | ||
| Hill, B. C., Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2017). Inverse estimation of cohesive fracture properties of asphalt mixtures using an optimization approach. Experimental Mechanics, 57(4):637-648. (PDF) | ||
| Monsalve-Giraldo, J.S., Giraldo-Londoño, O., Colorado-Urrea, G. J., and Aristizábal-Ochoa, J. D. (2017). Second-order analysis of an imperfect corroded tubular member on a two-parameter elastic foundation. Engineering Structures, 137:223-235. (View Online) | ||
| Spring, D. W., Giraldo-Londoño, O., and Paulino, G. H. (2016). A study on the thermodynamic consistency of the Park-Paulino-Roesler (PPR) cohesive fracture model. Mechanics Research Communications, 78:100-109. (Appeared in the top most downloaded MRC artices in 2016). (PDF) | ||
| Giraldo-Londoño, O., Monslave-Giraldo, J. S., and Aristizábal-Ochoa, J. D. (2015). Large-deflection and postbuckling of beam-columns with non-linear semi-rigid connections including shear and axial effects. International Journal of Nonlinear Mechanics, 77:85-95. (Appeared in Science Direct Top 25 hottest articles in 2015 and in the Most Downloaded NLM Articles in 2016 and 2017). (View Online) | ||
| Giraldo-Londoño, O., and Aristizábal-Ochoa, J. D. (2014). Dynamic stability of slender columns with semi-rigid connections under periodic axial load: Theory. Dyna, 81(185):56-65. (View Online) | ||
| Giraldo-Londoño, O., and Aristizábal-Ochoa, J. D. (2014). Dynamic stability of slender columns with semi-rigid connections under periodic axial load: Verification and examples. Dyna, 81(185):66-72. (View Online) | ||
| Giraldo-Londoño, O., and Aristizábal-Ochoa, J. D. (2013). Axially restrained beam-column with initial imperfections and nonlinear end connections subject to high temperatures. Journal of Engineering Mechanics, 140(4):04014003. (View Online) | ||
Invited Lectures
| "Fractional viscoelastic theory for modeling fracture of time- and rate-dependent media," Department of Civil and Environmental Engineering, University of Missouri, May, 2017. | ||
Conference Proceedings and Presentations
| Giraldo-Londoño, O., Vasconcelos da Senhora, F., Menezes, I. F. M., and Paulino, G. H. (2019). "Topology optimization with local stress constraints: An aggregation-free approach," 2019 Topology Optimization Roundtable, March 11-12, 2019, Albuquerque, NM. | ||
| Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2018). "Fractional viscoelastic mixed-mode fracture: A PPR-based rate-dependent cohesive zone model using fractional calculus," 10th European Solid Mechanics Conference (ESMC), July 2-6, 2018, Bologna, Italy. | ||
| Giraldo-Londoño, O., and Paulino, G. H. (2018). "On topology optimization of periodic multi-material viscoelastic microstructures using a fractional viscoelastic material model," 10th European Solid Mechanics Conference (ESMC), July 2-6, 2018, Bologna, Italy. | ||
| Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2017). "A novel mixed-mode rate-dependent cohesive zone model using fractional viscoelastic theory," Engineering Mechanics Institute (EMI) Conference 2017, June 4-7, 2017, San Diego, CA. Presented at the "Symposium in honor of Professor Zdeněk P. Bažant on the occasion of his 80th birthday (by invitation only)." | ||
| Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2017). "A novel mixed-mode rate-dependent cohesive zone model using fractional viscoelastic theory," Engineering Mechanics Institute (EMI) International Conference 2017, March 19-22, 2017, Rio de Janeiro, Brazil. | ||
| Giraldo-Londoño, O., and Paulino, G. H. (2017). "Fractional viscoelastic material design through topology optimization," Engineering Mechanics Institute (EMI) International Conference 2017, March 19-22, 2017, Rio de Janeiro, Brazil. | ||
| Giraldo-Londoño, O., Paulino, G. H., and Buttlar, W. G. (2016). "A mixed-mode rate-dependent cohesive zone model using fractional viscoelasticity," Engineering Mechanics Institute (EMI) Conference 2016, March 22-25, 2016, Nashville, TN. | ||
| Giraldo-Londoño, O., Hill, B., Paulino, G. H., and Buttlar, W. G. (2015). "Inverse Estimation of Cohesive Fracture Properties of Asphalt Mixtures Using Nonlinear Optimization," Fifteenth Pan-American Congress of Applied Mechanics (PACAM), May 18-21, 2015, Champaign, IL. | ||
| Steinberg, E., Ubbing, J., Giraldo-Londoño, O., and Semendary, A. (2014). "Parametric analysis of adjacent prestressed concrete box-beams with UHPC-dowel shear keys," 2014 PCI Convention and National Bridge Conference, September 6-9, 2014, National Harbor, MD. | ||
| Steinberg, E., Huffman J., Ubbing, J., and Giraldo-Londoño, O. (2013). "Finite element modeling of adjacent prestressed concrete box beams," 2013 PCI Convention and National Bridge Conference, September 21-24, 2013, Grapevine, TX. | ||
Awards and Honors
| COLFUTURO Scholar | 2012-2014 |
| Young Researcher Award, awarded by CONLCIENCIAS (Colombian equivalent to NSF) | 2010-2011 |
| Emilio Robledo Award (best undergraduate student award), awarded by Colombian Society of Engineers | 2009 |
| Top 10 highest scores (ranked 7th) in ECAES test (Colombian equivalent to FE exam) nationwide | 2009 |
Ad Hoc Reviewer
| Journal of the Mechanics and Physics of Solids | 2019-Present |
| Computers and Structures | 2019-Present |
| Journal of Building Engineering | 2019-Present |
| Journal of Optimization Theory and Applications | 2019-Present |
| Computer Methods in Applied Mechanics and Engineering | 2018-Present |
| Journal of Wood Science and Technology | 2018-Present |
| Journal of Engineering Fracture Mechanics | 2018-Present |
| Journal of Applied Mechanics | 2017-Present |
| Journal of Thin-Walled Structures | 2017-Present |
| Journal of the Brazilian Society of Mechanical Sciences and Engineering | 2017-Present |
| Journal of Engineering Structures | 2017-Present |
| Simulation: Transactions of the Society for Modeling and Simulation International | 2017-Present |
| Road Materials and Pavement Design | 2016-Present |
| Materials & Design | 2016-Present |
| International Journal of Solids and Structures | 2016-Present |
| International Journal of Fracture | 2016-Present |
| Journal of Engineering Mechanics | 2016-Present |
| Mechanics Research Communications | 2015-Present |
Skills
| Matlab, Abaqus, LS-DYNA, SAP2000, ETABS, Fortran, Adobe Illustrator, AutoCad, Mathcad, and Mathematica. |
| Academic and communicative fluency in English and Spanish, and basic communicative skills in Portuguese. |
Leadership and Community Activities
| Latino Organization of Graduate Students (LOGRAS) at Georgia Tech (Treasurer) | Mar 2018 - Present |
| EIP LTDA (Colombia) - measured structural parameters and obtained seismic vulnerability maps in underprivileged neighborhoods of Medellin, Colombia (Volunteer) | Dec 2010 - Jan 2011 |

