Publications

If you want to cite OpenMDAO, please use this citation:

J. S. Gray, J. T. Hwang, J. R. R. A. Martins, K. T. Moore, and B. A. Naylor, “OpenMDAO: An Open-Source Framework for Multidisciplinary Design, Analysis, and Optimization,” Structural and Multidisciplinary Optimization, 2019.

@article{Gray2019a,
    Author = {Justin S. Gray and John T. Hwang 
              and Joaquim R. R. A. Martins 
              and Kenneth T. Moore and Bret A. Naylor},
    Doi = {10.1007/s00158-019-02211-z},
    Journal = {Structural and Multidisciplinary Optimization},
    Month = {April},
    Number = {4},
    Pages = {1075--1104},
    Title = {{OpenMDAO}: An open-source framework 
            for multidisciplinary design, analysis, 
            and optimization},
    Volume = {59},
    Year = {2019}
}

Journal Papers

E. S. Hendricks and J. S. Gray, “Pycycle: a tool for efficient optimization of gas turbine engine cycles,” Aerospace, vol. 6, iss. 87, 2019.
[Bibtex]

@article{Hendricks2019,
author="Eric S. Hendricks and Justin S. Gray" ,
title = "pyCycle: A Tool for Efficient Optimization of Gas Turbine Engine Cycles",
journal = "Aerospace",
year = "2019",
day = "8",
month = "August",
volume = {6},
number = {87},
doi = {10.3390/aerospace6080087},
pdf = {https://www.mdpi.com/2226-4310/6/8/87/pdf}
}

S. Roy, W. A. Crossley, K. T. Moore, J. S. Gray, and J. R. R. A. Martins, “Monolithic approach for next-generation aircraft design considering airline operations and economics,” Journal aircraft, 2019.
[Bibtex]

@article{roy2019,
author="Roy, Satadru and Crossley, William A. and Moore, Kenneth T. and Gray, Justin S. and Martins, Joaquim R. R. A." ,
title = "Monolithic Approach for Next-Generation Aircraft Design Considering Airline Operations and Economics",
journal = "Journal Aircraft",
year = "2019",
day = "3",
month = "July",
doi = {10.2514/1.C035312},
pdf = {http://openmdao.org/pubs/roy_amiego_2019.pdf}
}

H. Chung, J. T. Hwang, J. S. Gray, and A. H. Kim, “Topology optimization in openmdao,” Structural and multidisciplinary optimization, 2019.
[Bibtex]

@article{Chung2019,
author="Chung, Hayoung and Hwang, John T. and Gray, Justin S. and Kim, H. Alicia",
title="Topology optimization in OpenMDAO",
journal="Structural and Multidisciplinary Optimization",
year="2019",
month="Feb",
day="14",
issn="1615-1488",
doi="10.1007/s00158-019-02209-7",
pdf="http://openmdao.org/pubs/chung_top_opt_openmdao_2019_smo.pdf"
}

J. S. Gray, J. T. Hwang, J. R. R. A. Martins, K. T. Moore, and B. A. Naylor, “OpenMDAO: an open-source framework for multidisciplinary design, analysis, and optimization,” Structural and multidisciplinary optimization, vol. 59, iss. 4, p. 1075–1104, 2019.
[Bibtex]

@article{Gray2019a,
Author = {Justin S. Gray and John T. Hwang and Joaquim R. R. A. Martins and Kenneth T. Moore and Bret A. Naylor},
Doi = {10.1007/s00158-019-02211-z},
Journal = {Structural and Multidisciplinary Optimization},
Month = {April},
Number = {4},
Pages = {1075--1104},
Title = {{OpenMDAO}: An open-source framework for multidisciplinary design, analysis, and optimization},
Volume = {59},
Year = {2019},
pdf = {https://link.springer.com/article/10.1007/s00158-019-02211-z}
}

J. S.Gray and J. R. R. A. Martins, “Coupled Aeropropulsive Design Optimization of a Boundary Layer Ingestion Propulsor,” The Aeronautical Journal, vol. 123, p. 121–137, 2018.
[Bibtex]

@article{GrayBLIOpt2018,
Author={Justin S.Gray and Joaquim R. R. A. Martins},
Title="{Coupled Aeropropulsive Design Optimization of a Boundary Layer Ingestion Propulsor}",
Journal="{The Aeronautical Journal}",
Year={2018},
Publisher={Royal Aeronautical Society},
pdf={http://openmdao.org/pubs/gray_bli_opt_2018.pdf},
doi={10.1017/aer.2018.120},
volume={123},
issue={1259},
pages={121--137}
}

J. S.Gray, C. A. Mader, G. K. W. Kenway, and J. R. R. A. Martins, “Modeling Boundary Layer Ingestion Using a Coupled Aeropropulsive Analysis,” AIAA Journal of Aircraft, vol. 55, p. 1191–1199, 2018.
[Bibtex]

@article {GrayBLI2018,
Author={Justin S.Gray and Charles A. Mader and Gaetan K. W. Kenway and Joaquim R. R. A. Martins},
Title="{Modeling Boundary Layer Ingestion Using a Coupled Aeropropulsive Analysis}",
Journal="{AIAA Journal of Aircraft}",
Year={2018},
volume={55},
pages={1191--1199},
Publisher={American Institute of Aeronautics and Astronautics},
pdf={http://openmdao.org/pubs/gray_bli_2017.pdf},
doi={10.2514/1.C034601}
}

J. S. Gray, J. Chin, T. Hearn, E. Hendricks, T. Lavelle, and J. R. R. A. Martins, “Chemical Equilibrium Analysis with Adjoint Derivatives for Propulsion Cycle Analysis,” Journal of Propulsion and Power, vol. 33, iss. 5, p. 1041–1052, 2017.
[Bibtex]

@article{gray_chemeq_jpp_2017,
Author = {Justin S. Gray and Jeffrey Chin and Tristan Hearn and Eric Hendricks and Thomas Lavelle and Joaquim R. R. A. Martins},
Date-Added = {2016-02-18 18:25:10 +0000},
Date-Modified = {2017-09-05 14:21:22 +0000},
Doi = {10.2514/1.B36215},
Journal = "{Journal of Propulsion and Power}",
Month = {September},
Number = {5},
Pages = {1041--1052},
Title = "{Chemical Equilibrium Analysis with Adjoint Derivatives for Propulsion Cycle Analysis}",
Volume = {33 },
Year = {2017},
pdf = {http://openmdao.org/pubs/gray_pycycle_thermodynamics_jpp_2017.pdf}
}

J. S. Gray, K. T. Moore, T. A. Hearn, and B. A. Naylor, “Standard Platform for Benchmarking Multidisciplinary Design Analysis and Optimization Architectures,” AIAA Journal, vol. 51, iss. 10, p. 2380–2394, 2013.
[Bibtex]

@article{GrayBenmarking2013,
Author={Gray, Justin S. and Moore, Kenneth T. and Hearn, Tristan A. and Naylor, Bret A.},
Title="{Standard Platform for Benchmarking Multidisciplinary Design Analysis and Optimization Architectures}",
Journal="{AIAA Journal}",
Year={2013},
Month={Oct},
Day={01},
Publisher={American Institute of Aeronautics and Astronautics},
Volume={51},
Number={10},
Pages={2380--2394},
Issn={0001-1452},
pdf={http://openmdao.org/pubs/Gray_Moore_Hearn_Naylor-_2013_-Benchmarking.pdf}
}

D. Pate, J. S. Gray, and B. German, “A Graph Theoretic Approach to Problem Formulation for Multidisciplinary Design Analysis and Optimization,” Structural and Multidisciplinary Optimization, vol. 51, iss. 5, pp. 743-760, 2013.
[Bibtex]

@article{OpenMDAOGraph2013,
Author = {Pate, DavidJ. and Gray, Justin S. and German, BrianJ.},
Issn = {1615-147X},
Journal = "{Structural and Multidisciplinary Optimization}",
Keywords = {Graph theory; Multidisciplinary design optimization; Problem formulation},
Language = {English},
Pages = {743-760},
Volume={51},
Number={5},
Publisher = {Springer Berlin Heidelberg},
Title = "{A Graph Theoretic Approach to Problem Formulation for Multidisciplinary Design Analysis and Optimization}",
Year = {2013},
doi = {10.1007/s00158-013-1006-6},
pdf = {http://openmdao.org/pubs/Pate_Gray_German-_2013_-Graph_Problem_Formulation_SMO.pdf}
}

PhD Theses

J. S. Gray, “Design Optimization of a Boundary Layer Ingestion Propulsor Using a Coupled Aeropropulsive Model,” PhD Thesis, 2018.
[Bibtex]

@phdthesis{GrayThesis2018,
Author = {Justin S. Gray},
School = {University of Michigan},
Title = "{Design Optimization of a Boundary Layer Ingestion Propulsor Using a Coupled Aeropropulsive Model}",
Year = {2018},
pdf={http://openmdao.org/pubs/gray_phd_thesis_2018.pdf}
}

E. S. Hendricks, “A multi-level multi-design point approach for gas turbine cycle and turbine conceptual design,” PhD Thesis, 2017.
[Bibtex]

@phdthesis{HendricksThesis2017,
Author = {Eric S. Hendricks},
School = {Georgia Institute of Technology},
Title = "{A multi-level multi-design point approach for gas turbine cycle and turbine conceptual design}",
Year = {2017},
pdf = {https://smartech.gatech.edu/handle/1853/58212},
doi = {http://hdl.handle.net/1853/58212}
}

Conference Papers

B. J. Brelje, J. P. Jasa, J. R. R. A. Martins, and J. S. Gray, “Development of a conceptual-level thermal management system design capability in openconcept,” in Nato research symposium on hybrid/electric aero-propulsion systems for military applications (avt-rsy-323), Trondheim, NO, 2019.
[Bibtex]

@inproceedings{Brelje2019d,
Address = {Trondheim, NO},
Author = {Benjamin J. Brelje and John P. Jasa and Joaquim R. R. A. Martins and Justin S. Gray},
Booktitle = {NATO Research Symposium on Hybrid/Electric Aero-Propulsion Systems for Military Applications (AVT-RSY-323)},
Institution = {NATO Research and Technology Organization},
Doi = {10.14339/STO-MP-AVT-323},
Keywords = {OpenMDAO, OpenConcept},
Month = {October},
Title = {Development of a Conceptual-Level Thermal Management System Design Capability in OpenConcept},
Year = {2019},
Bdsk-Url-1 = {https://doi.org/10.14339/STO-MP-AVT-323}
}

E. S. Hendricks, E. Aretskin-Hariton, J. W. Chapman, J. S. Gray, and R. D. Falck, “Propulsion System Optimization for a Turboelectric Tiltwing Urban Air Mobility Aircraft,” in Isabe 2019, Canberra, Australia, 2019.
[Bibtex]

@inproceedings{hendricks_UAM_engine_opt_2019,
author = {Eric S. Hendricks and Eliot Aretskin-Hariton and Jeffryes W. Chapman and Justin S. Gray and Robert D. Falck},
title = "{Propulsion System Optimization for a Turboelectric Tiltwing Urban Air Mobility Aircraft}",
booktitle = {ISABE 2019},
publisher = {ISABE},
year = {2019},
address = {Canberra, Australia},
notes = {ISABE-2019-24365},
pdf={http://openmdao.org/pubs/ISABE_final.pdf}
}

S. Kambampati, J. S. Gray, and A. H. Kim, “Level Set Topology Optimization of Load Carrying Heat Dissipation Devices,” in AIAA Aviation 2019 Forum, 2019.
[Bibtex]

@inproceedings{kambampati2019level,
title="{Level Set Topology Optimization of Load Carrying Heat Dissipation Devices}",
author={Kambampati, Sandilya and Gray, Justin S. and Kim, H. Alicia},
booktitle="{AIAA Aviation 2019 Forum}",
year={2019},
doi={10.2514/6.2019-3558},
notes={AIAA 2019-3558},
pdf={http://openmdao.org/pubs/kambampati_level_set_thermal_2019.pdf}
}

R. Thacker and N. Blaesser, “Modeling of a Modern Aircraft Through Calibration Techniques,” in AIAA Aviation 2019 Forum, Dallas, TX, 2019.
[Bibtex]

@inproceedings{Thacker2019,
address = {Dallas, TX},
author = {Thacker, Robert and Blaesser, Nathaniel},
booktitle = "{AIAA Aviation 2019 Forum}",
month = {June},
title = "{Modeling of a Modern Aircraft Through Calibration Techniques}",
year = {2019},
notes = {AIAA 2019-2984},
doi = {10.2514/6.2019-2984},
pdf = {https://arc.aiaa.org/doi/abs/10.2514/6.2019-2984}
}

J. P. Jasa, S. S. Chauhan, J. S. Gray, and J. R. R. A. Martins, “How Certain Physical Considerations Impact Aerostructural Wing Optimization,” in AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Dallas, TX, 2019.
[Bibtex]

@inproceedings{Jasa2019c,
Address = {Dallas, TX},
Author = {John P. Jasa and Shamsheer S. Chauhan and Justin S. Gray and Joaquim R. R. A. Martins},
Booktitle = "{AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Month = {June},
Title = "{How Certain Physical Considerations Impact Aerostructural Wing Optimization}",
Year = {2019},
notes = {AIAA 2019-3242},
Doi = {10.2514/6.2019-3242},
pdf = {http://openmdao.org/pubs/jasa_aviation_2019.pdf}
}

J. S. Gray, T. A. Hearn, and B. A. Naylor, “Using Graph Coloring To Compute Total Derivatives More Efficiently in OpenMDAO,” in Aiaa aviation 2019 forum, Dallas, TX, 2019.
[Bibtex]

@inproceedings{gray_bicoloring_2019,
author = {Justin S. Gray and Tristan A. Hearn and Bret A. Naylor},
title = "{Using Graph Coloring To Compute Total Derivatives More Efficiently in OpenMDAO}",
booktitle = {AIAA Aviation 2019 Forum},
publisher = {AIAA},
year = {2019},
address = {Dallas, TX},
notes = {AIAA 2019-3108},
doi = {10.2514/6.2019-3108},
pdf = {http://openmdao.org/pubs/openmdao_bicoloring.pdf}
}

E. S. Hendricks, R. D. Falck, J. S. Gray, E. Aretskin-Hariton, D. Ingraham, J. W. Chapman, S. L. Schnulo, J. Chin, J. P. Jasa, and J. D. Bergeson, “Multidisciplinary Optimization of a Turboelectric Tiltwing Urban Air Mobility Aircraft,” in Aiaa aviation 2019 forum, Dallas, TX, 2019.
[Bibtex]

@inproceedings{hendricks_UAM_opt_2019,
author = {Eric S. Hendricks and Robert D. Falck and Justin S. Gray and Eliot Aretskin-Hariton and Daniel Ingraham and Jeffryes W. Chapman and Sydney L. Schnulo and Jeff Chin and John P. Jasa and Jennifer D. Bergeson},
title = "{Multidisciplinary Optimization of a Turboelectric Tiltwing Urban Air Mobility Aircraft}",
booktitle = {AIAA Aviation 2019 Forum},
publisher = {AIAA},
year = {2019},
address = {Dallas, TX},
notes = {AIAA 2019-3551},
doi = {10.2514/6.2019-3551},
pdf={http://openmdao.org/pubs/hendricks_UAM_design_2019.pdf}
}

A. Yildirim, J. S. Gray, C. A. Mader, and J. R. R. A. Martins, “Aeropropulsive Design Optimization of a Boundary Layer Ingestion System,” in Aiaa aviation forum, Dallas, TX, 2019.
[Bibtex]

@conference {yildirim_bli_2019,
title = "{Aeropropulsive Design Optimization of a Boundary Layer Ingestion System}",
booktitle = {AIAA AVIATION Forum},
year = {2019},
publisher = {AIAA},
organization = {AIAA},
address = {Dallas, TX},
keywords = {ANK, boundary layer ingestion, STARC--ABL},
doi = {10.2514/6.2019-3455},
author = {Anil Yildirim and Justin S. Gray and Charles A. Mader and Joaquim R. R. A. Martins},
pdf={http://mdolab.engin.umich.edu/sites/default/files/Yildirim2019a-Aeropropulsive%20Design%20Optimization%20of%20a%20Boundary%20Layer%20Ingestion%20System.pdf}
}

J. Chin, S. L. Schnulo, T. Miller, K. Prokopius, and J. S. Gray, “Battery Performance Modeling on SCEPTOR X-57 Subject to Thermal and Transient Considerations ,” in AIAA Scitech 2019 Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings {chin_battery_x57_2019,
title = "{Battery Performance Modeling on SCEPTOR X-57 Subject to Thermal and Transient Considerations }",
booktitle = "{AIAA Scitech 2019 Forum}",
year = {2019},
publisher = {AIAA},
address = {San Diego, CA},
author = {Jeff Chin and Sydney L. Schnulo and Thomas Miller and Kevin Prokopius and Justin S. Gray},
notes={AIAA 2019-0784},
doi={10.2514/6.2019-0784},
pdf={http://openmdao.org/pubs/chin_battery_performance_x57_2019.pdf}
}

D. J. Ingraham, J. S. Gray, and L. V. Lopes, “Gradient-Based Propeller Optimization with Acoustic Constraints,” in AIAA Scitech 2019 Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings {ingraham_acoustic_opt_2019,
title = "{Gradient-Based Propeller Optimization with Acoustic Constraints}",
booktitle = "{AIAA Scitech 2019 Forum}",
year = {2019},
publisher = {AIAA},
address = {San Diego, CA},
author = {Daniel J. Ingraham and Justin S. Gray and Leonard V. Lopes},
notes={AIAA 2019-1219},
doi={10.2514/6.2019-1219},
pdf={http://openmdao.org/pubs/ingraham_2019_scitech.pdf}
}

J. W. Chapman, “Multi-point Design and Optimization of a Turboshaft Engine for Tiltwing Turboelectric VTOL Air Taxi,” in AIAA Scitech 2019 Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings {chapman_turboshaft_opt_2019,
title = "{Multi-point Design and Optimization of a Turboshaft Engine for Tiltwing Turboelectric VTOL Air Taxi}",
booktitle = "{AIAA Scitech 2019 Forum}",
year = {2019},
publisher = {AIAA},
address = {San Diego, CA},
author = {Jeffryes W. Chapman},
notes={AIAA 2019-1948},
doi={10.2514/6.2019-1948},
pdf={http://openmdao.org/pubs/chapman_turboshaft_opt_2019.pdf}
}

R. D. Falck and J. S. Gray, “Optimal Control within the Context of Multidisciplinary Design, Analysis, and Optimization,” in AIAA Scitech 2019 Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings {falck_dymos_2019,
title = "{Optimal Control within the Context of Multidisciplinary Design, Analysis, and Optimization}",
booktitle = "{AIAA Scitech 2019 Forum}",
year = {2019},
publisher = {AIAA},
address = {San Diego, CA},
author = {Robert D. Falck and Justin S. Gray},
notes={AIAA 2019-0976},
doi={10.2514/6.2019-0976},
pdf={http://openmdao.org/pubs/falck_dymos_2019_scitech.pdf}
}

E. S. Hendricks, J. CHapman, and E. Artskin-Hariton, “Load Flow Analysis with Analytic Derivatives for Electric Aircraft Design Optimization,” in AIAA Scitech 2019 Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings {hendricks_load_flow_2019,
title = "{Load Flow Analysis with Analytic Derivatives for Electric Aircraft Design Optimization}",
booktitle = "{AIAA Scitech 2019 Forum}",
year = {2019},
publisher = {AIAA},
address = {San Diego, CA},
author = {Eric S. Hendricks and Jeffryes CHapman and Eliot Artskin-Hariton},
notes={AIAA 2019-1220},
doi={10.2514/6.2019-1220},
pdf={http://openmdao.org/pubs/hendricks_load_flow_2019.pdf}
}

S. Roy, Willam A. Crossley, B. K. Stanford, K. T. Moore, and J. S. Gray, “A Mixed Integer Efficient Global Optimization Algorithm with Multiple Infill Strategy – Applied to a Wing Topology Optimization Problem,” in AIAA SciTech Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings{Roy2019,
Address = {San Diego, CA},
Author = {Satadru Roy and Willam A. Crossley, and Bret K. Stanford and Kenneth T. Moore and Justin S. Gray},
Title = "{A Mixed Integer Efficient Global Optimization Algorithm with Multiple Infill Strategy - Applied to a Wing Topology Optimization Problem}",
Booktitle = "{AIAA SciTech Forum}",
Keywords = {OpenMDAO},
Month = {January},
Year = {2019},
pdf={http://openmdao.org/pubs/roy_scitech_2019_submitted.pdf}
}

J. P. Jasa, J. S. Gray, J. A. Seidel, C. A. Mader, and J. R. R. A. Martins, “Multipoint Variable Cycle Engine Design Using Gradient-based Optimization,” in AIAA SciTech Forum, San Diego, CA, 2019.
[Bibtex]

@inproceedings{Jasa2019,
Address = {San Diego, CA},
Author = {John P. Jasa and Justin S. Gray and Jonathan A. Seidel and Charles A. Mader and Joaquim R. R. A. Martins},
Title = "{2019 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
Booktitle = "{AIAA SciTech Forum}",
Date-Added = {2018-12-03 12:23:56 -0500},
Date-Modified = {2018-12-13 12:51:31 -0500},
Doi = {10.2514/6.2019-0172},
Keywords = {OpenMDAO},
Month = {January},
Title = "{Multipoint Variable Cycle Engine Design Using Gradient-based Optimization}",
Year = {2019},
pdf={http://openmdao.org/pubs/jasa_scitech_2019_submitted.pdf}
}

J. S. Gray, “Design Optimization of a Boundary Layer Ingestion Propulsor Using a Coupled Aeropropulsive Model,” PhD Thesis, 2018.
[Bibtex]

@phdthesis{GrayThesis2018,
Author = {Justin S. Gray},
School = {University of Michigan},
Title = "{Design Optimization of a Boundary Layer Ingestion Propulsor Using a Coupled Aeropropulsive Model}",
Year = {2018},
pdf={http://openmdao.org/pubs/gray_phd_thesis_2018.pdf}
}

J. S. Gray, G. K. W. Kenway, C. A. Mader, and J. R. R. A. Martins, “Aeropropulsive Design Optimization of a Turboelectric Boundary Layer Ingestion Propulsion,” in 2018 Aviation Technology, Integration, and Operations Conference, Atlanta, GA, 2018.
[Bibtex]

@inproceedings {gray_bli_2018,
title = "{Aeropropulsive Design Optimization of a Turboelectric Boundary Layer Ingestion Propulsion}",
booktitle = "{2018 Aviation Technology, Integration, and Operations Conference}",
year = {2018},
month = {6},
publisher = {AIAA},
address = {Atlanta, GA},
author = {Justin S. Gray and Gaetan K. W. Kenway and Charles A. Mader and Joaquim R. R. A. Martins},
notes={AIAA 2018-3976},
doi={10.2514/6.2018-3976},
pdf={http://openmdao.org/pubs/gray_bli_distortion_2018.pdf}
}

R. D. Falck, D. Ingraham, and E. Aretskin-Hariton, “Multidisciplinary Optimization of Urban-Air-Mobility Class Aircraft Trajectories with Acoustic Constraints,” in AIAA/IEEE Electric Aircraft Technologies Symposium, AIAA Propulsion and Energy Forum, 2018.
[Bibtex]

@inproceedings {falck_eats_2018,
title = "{Multidisciplinary Optimization of Urban-Air-Mobility Class Aircraft Trajectories with Acoustic Constraints}",
booktitle = "{AIAA/IEEE Electric Aircraft Technologies Symposium, AIAA Propulsion and Energy Forum}",
year = {2018},
publisher = {AIAA},
author = {Robert D. Falck and Daniel Ingraham and Eliot Aretskin-Hariton},
notes={AIAA 2018-4985},
doi={10.2514/6.2018-4985},
pdf={http://openmdao.org/pubs/falck_eats_2018.pdf}
}

S. L. Schnulo, R. F. D. Jeff Chin, J. S. Gray, K. V. Papathakis, S. C. Clarke, N. Reid, and N. K. Borer, “Development of a Multi-Segment Mission Planning Tool for SCEPTOR X-57,” in 2018 Multidisciplinary Analysis and Optimization Conference, Atlanta, GA, 2018.
[Bibtex]

@inproceedings {schnulo_x57_2018,
title = "{Development of a Multi-Segment Mission Planning Tool for SCEPTOR X-57}",
booktitle = "{2018 Multidisciplinary Analysis and Optimization Conference}",
year = {2018},
month = {6},
publisher = {AIAA},
address = {Atlanta, GA},
author = {Sydney L. Schnulo and Jeff Chin, Robert D. Falck and Justin S. Gray and Kurt V. Papathakis and Sean C. Clarke and Nickelle Reid and Nicholas K. Borer},
notes={AIAA 2018-3976},
doi={10.2514/6.2018-3738},
pdf={http://openmdao.org/pubs/x57_mpt_2018.pdf}
}

J. P. Jasa, J. T. Hwang, and J. R. R. A. Martins, “Design and Trajectory Optimization of a Morphing Wing Aircraft,” in 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2018.
[Bibtex]

@inproceedings {Jasa2018a,
title = "{Design and Trajectory Optimization of a Morphing Wing Aircraft}",
booktitle = "{2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
year = {2018},
month = {01},
publisher = {AIAA},
organization = {AIAA},
address = {Kissimmee, FL},
author = {John P. Jasa and John T. Hwang and Joaquim R. R. A. Martins},
notes={AIAA 2018-1382},
doi={10.2514/6.2018-1382},
pdf={http://mdolab.engin.umich.edu/sites/default/files/Jasa_morphing_mission_SciTech_submitted.pdf}
}

J. T. Hwang and D. W. Munster, “Solution of Ordinary Differential Equations in Gradient-Based Multidisciplinary Design Optimization,” in 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2018.
[Bibtex]

@inproceedings {hwang_ode_mdo_2018,
title = "{Solution of Ordinary Differential Equations in Gradient-Based Multidisciplinary Design Optimization}",
booktitle = "{2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
year = {2018},
month = {1},
publisher = {AIAA},
organization = {AIAA},
address = {Kissimmee, FL},
author = {John T. Hwang and Drayton W. Munster},
notes={AIAA 2018-1646},
doi={10.2514/6.2018-1646},
pdf={http://openmdao.org/pubs/hwang_munster_ode_2018.pdf}
}

J. T. Hwang and A. Ning, “Large-Scale Multidisciplinary Optimization of an Electric Aircraft for On-Demand Mobility,” in 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2018.
[Bibtex]

@inproceedings {hwang_ctol_mdo_2018,
title = "{Large-Scale Multidisciplinary Optimization of an Electric Aircraft for On-Demand Mobility}",
booktitle = "{2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
year = {2018},
month = {1},
publisher = {AIAA},
organization = {AIAA},
address = {Kissimmee, FL},
author = {John T. Hwang and Andrew Ning},
notes={AIAA 2018-1384},
doi={10.2514/6.2018-1384},
pdf={http://openmdao.org/pubs/hwang_electric_ctol_mdo.pdf}
}

H. Chung, J. T. Hwang, J. S. Gray, and H. A. Kim, “Implementation of Topology Optimization Using OpenMDAO,” in 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2018.
[Bibtex]

@inproceedings {chung2018a,
title = "{Implementation of Topology Optimization Using OpenMDAO}",
booktitle = "{2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
year = {2018},
month = {1},
publisher = {AIAA},
organization = {AIAA},
address = {Kissimmee, FL},
author = {Hayoung Chung and John T. Hwang and Justin S. Gray and Hyunsun A. Kim},
notes={AIAA 2018-0653},
doi={10.2514/6.2018-0653},
pdf={http://openmdao.org/pubs/chung_topology_2018.pdf}
}

S. Roy, W. A. Crossley, K. T. Moore, J. S. Gray, and J. R. R. A. Martins, “Next Generation Aircraft Design Considering Airline Operations and Economics,” in 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2018.
[Bibtex]

@inproceedings {roy_amiego_2018,
title = "{Next Generation Aircraft Design Considering Airline Operations and Economics}",
booktitle = "{2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference}",
year = {2018},
month = {1},
publisher = {AIAA},
organization = {AIAA},
address = {Kissimmee, FL},
author = {Satadru Roy and William A. Crossley and Kenneth T. Moore and Justin S. Gray and Joaquim R. R. A. Martins},
notes={AIAA 2018-1647},
doi={10.2514/6.2018-1647},
pdf={http://openmdao.org/pubs/roy_amiego_2018.pdf}
}

J. T. Hwang, “Reconfigurable model execution in the openmdao framework,” in 18th aiaa/issmo multidisciplinary analysis and optimization conference, 2017, p. 3821.
[Bibtex]

@inproceedings{hwang2017reconfigurable,
title={Reconfigurable model execution in the OpenMDAO framework},
author={Hwang, John T},
booktitle={18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
pages={3821},
year={2017},
pdf={http://openmdao.org/pubs/hwang_reconfigurability_2017.pdf}
}

E. S. Hendricks, R. D. Falck, and J. S. Gray, “Simultaneous Propulsion System and Trajectory Optimization,” in 18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Denver, CO, 2017.
[Bibtex]

@inproceedings{hendricks_pointer_pycycle_2017,
Address = {Denver, CO},
Author = {Hendricks, Erick S. and Falck, Robert D. and Gray, Justin S.},
Booktitle = "{18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Month = {June},
Title = "{Simultaneous Propulsion System and Trajectory Optimization}",
Year = {2017},
pdf = {http://openmdao.org/pubs/hendricks_pointer_pycycle_2017.pdf}
}

R. D. Falck, J. C. Chin, S. L. Schnulo, J. M. Burt, and J. S. Gray, “Trajectory Optimization of Electric Aircraft Subject to Subsystem Thermal Constraints,” in 18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Denver, CO, 2017.
[Bibtex]

@inproceedings{falck_electric_thermal_2017,
Address = {Denver, CO},
Author = {Falck, Robert D. and Chin, Jeffrey C. and Schnulo, Sydney L. and Burt, Jonathan M. and Gray, Justin S.},
Booktitle = "{18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Month = {June},
Title = "{Trajectory Optimization of Electric Aircraft Subject to Subsystem Thermal Constraints}",
Year = {2017},
pdf = {http://openmdao.org/pubs/falck_traj_opt_electric_2017.pdf}
}

J. S. Gray, C. A. Mader, G. K. W. Kenway, and J. R. R. A. and Martins, “Approach to Modeling Boundary Layer Ingestion Using a Fully-Coupled Propulsion-RANS Model,” in 55th AIAA Aerospace Sciences Meeting (SciTech), Grapevine, TX, 2017.
[Bibtex]

@inproceedings{gray_bli2017,
Address = {Grapevine, TX},
Author = {Justin S. Gray and Charles A. Mader and Gaetan K. W. Kenway and and Joaquim R. R. A. Martins},
Booktitle = "{55th AIAA Aerospace Sciences Meeting (SciTech)}",
Doi = {10.2514/6.2017-1753},
Month = {January},
Title = "{Approach to Modeling Boundary Layer Ingestion Using a Fully-Coupled Propulsion-RANS Model}",
Year = {2017},
pdf = {http://openmdao.org/pubs/gray_bli_2017.pdf}
}

R. D. Falck and J. S. Gray, “Parallel Aircraft Trajectory Optimization with Analytic Derivatives,” in 17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, part of AIAA Aviation 2016 (Washington, DC), 2016.
[Bibtex]

@inproceedings{falck_2016,
Title="{Parallel Aircraft Trajectory Optimization with Analytic Derivatives}",
Author={Robert D. Falck and Justin S. Gray},
Booktitle="{17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, part of AIAA Aviation 2016 (Washington, DC)}",
doi={10.2514/6.2016-3207},
notes={AIAA-2016-3207},
Year={2016},
pdf = {http://openmdao.org/pubs/Falck_Gray-2016-Parallel_Aircraft_Trajectory_Optimization_with_Analytic_Derivatives.pdf}
}

D. T. Hearn, E. Hendricks, J. Chin, J. S. Gray, and D. K. T. Moore, “Optimization of Turbine Engine Cycle Analysis with Analytic Derivatives,” in 17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, part of AIAA Aviation 2016 (Washington, DC), 2016.
[Bibtex]

@inproceedings{hearn_2016,
Title="{Optimization of Turbine Engine Cycle Analysis with Analytic Derivatives}",
Author={Dr. Tristan Hearn and Eric Hendricks and Jeffrey Chin and Justin S. Gray and Dr. Kenneth T. Moore},
Booktitle="{17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, part of AIAA Aviation 2016 (Washington, DC)}",
doi={10.2514/6.2016-4297},
notes={AIAA-2016-4297},
Year={2016},
pdf = {http://openmdao.org/pubs/Hearn_Hendricks_Chin_Gray_Moore-_2016_-Optimization_of_Turbine_Engine_Cycle_Analysis_with_Analytic_Derivatives.pdf}
}

A. Dener, P. Meng, J. Hicken, G. J. Kennedy, J. Hwang, and J. S. Gray, “Kona: A Parallel Optimization Library for Engineering-Design Problems,” in 54th AIAA Aerospace Sciences Meeting, 2016.
[Bibtex]

@inproceedings{dener_kona_2016,
Title="{Kona: A Parallel Optimization Library for Engineering-Design Problems}",
Author={Alp Dener and Pengfei Meng and Jason Hicken and Graeme J. Kennedy and John Hwang and Justin S. Gray},
Booktitle="{54th AIAA Aerospace Sciences Meeting}",
Year={2016},
pdf = {http://openmdao.org/pubs/Dener_Meng_Hicken_Kennedy_Hwang_Gray-_2016_-Kona_AIAA_SciTech_2016.pdf}
}

J. S. Gray, J. Chin, T. Hearn, E. Hendricks, T. Lavelle, and J. R. R. A. Martins, “Thermodynamics of Gas Turbine Cycles With Analytic Derivatives in OpenMDAO,” in 54th AIAA Aerospace Sciences Meeting, 2016.
[Bibtex]

@inproceedings{graypycycle2016,
Title = "{Thermodynamics of Gas Turbine Cycles With Analytic Derivatives in OpenMDAO}",
Author = {Gray, Justin S. and Chin, Jeffrey and Hearn, Tristan and Hendricks, Eric and Lavelle, Thomas and Martins, Joaquim R. R. A.},
Booktitle = "{54th AIAA Aerospace Sciences Meeting}",
Year = {2016},
Month = {January},
pdf = {http://openmdao.org/pubs/Gray-_2016_-PyCycle_Thermodynamics.pdf}
}

J. Chin, J. S. Gray, S. Jones, and J. Berton, “Open-Source Conceptual Sizing Models for the Hyperloop Passenger Pod,” in 2015 AIAA SciTech Conference, 2015.
[Bibtex]

@inproceedings{chinhyperloop2014,
Title = "{Open-Source Conceptual Sizing Models for the Hyperloop Passenger Pod}",
Author = {Jeffrey Chin and Justin S. Gray and Scott Jones and Jeff Berton},
Booktitle = "{2015 AIAA SciTech Conference}",
year = {2015},
Month = {Janurary},
Publisher = {American Institute of Aeronautics and Astronautics},
pdf = {http://openmdao.org/pubs/Chin_Gray_Jones_Berton-_2015_-Hyperloop_Sizing_Thermal.pdf}
}

C. M. Heath, M. A. Park, E. J. Nielsen, J. Carlson, and J. S. Gray, “Aerodynamic Shape Optimization of a Dual-Stream Supersonic Plug Nozzle,” in 2015 AIAA SciTech Conference, 2015.
[Bibtex]

@inproceedings{heathgray2015nozzleopt,
Author = {Christopher M. Heath and Michael A. Park and Eric J. Nielsen and Jan-Renee Carlson and Justin S. Gray},
BookTitle = "{2015 AIAA SciTech Conference}",
Month = {January},
Year = {2015},
Title = "{Aerodynamic Shape Optimization of a Dual-Stream Supersonic Plug Nozzle}",
Publisher = {American Institute of Aeronautics and Astronautics},
pdf = {http://openmdao.org/pubs/Heath_Gray-_2015_-Nozzle_Shape_Optimization.pdf}
}

E. S. Hendricks, S. M. Jones, and J. S. Gray, “Design Optimization of a Variable-Speed Power-Turbine,” in 50TH AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, Ohio, 2014.
[Bibtex]

@inproceedings{hendricks2014design,
Title = "{Design Optimization of a Variable-Speed Power-Turbine}",
Author = {Hendricks, Eric S. and Jones, Scott M. and Gray, Justin S.},
Address = {Cleveland, Ohio},
Booktitle = "{50TH AIAA/ASME/SAE/ASEE Joint Propulsion Conference}",
Note = {AIAA-2014-3445},
Month = {July},
Organization = {AIAA},
Year = {2014},
pdf = {http://openmdao.org/pubs/Hendricks_Jones_Gray-_2014_-OTAC_Turbine_Opt.pdf}
}

J. S. Gray, T. A. Hearn, K. T. Moore, J. Hwang, J. Martins, and A. Ning, “Automatic Evaluation of Multidisciplinary Derivatives Using a Graph-Based Problem Formulation in OpenMDAO,” in 15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2014.
[Bibtex]

@inproceedings{gray2014derivatives,
Author = {Justin S. Gray and Tristan A. Hearn and Kenneth T. Moore and John Hwang and Joaquim Martins and Andrew Ning},
Booktitle = "{15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Doi = {doi:10.2514/6.2014-2042},
Month = {2014/07/08},
Publisher = {American Institute of Aeronautics and Astronautics},
Title = "{Automatic Evaluation of Multidisciplinary Derivatives Using a Graph-Based Problem Formulation in OpenMDAO}",
Url = {http://dx.doi.org/10.2514/6.2014-2042},
Year = {2014},
pdf = {http://openmdao.org/pubs/Gray_Hearn_Moore_EtAl-_2014_-Multidisciplinary_Derivatives.pdf}
}

C. M. Heath and J. S. Gray, “OpenMDAO: Framework for Flexible Multidisciplinary Design, Analysis and Optimization Methods,” in 8th AIAA Multidisciplinary Design Optimization Specialist Conference (MDO), Honolulu, Hawaii, 2012, p. 1–13.
[Bibtex]

@inproceedings{Heath2012,
Address = {Honolulu, Hawaii},
Author = {Heath, Chritopher M. and Gray, Justin S.},
Booktitle = "{8th AIAA Multidisciplinary Design Optimization Specialist Conference (MDO)}",
pdf = {http://openmdao.org/pubs/Heath_Gray-_2012_-OpenMDAO_Frameork_for_Flexible_Multidisciplinary_Design_Analysis_and_Optimization_Methods.pdf},
Pages = {1--13},
Title = {{OpenMDAO: Framework for Flexible Multidisciplinary Design, Analysis and Optimization Methods}},
Year = {2012}
}

J. S. Gray, K. T. Moore, T. A. Hearn, and B. A. Naylor, “A Standard Platform for Testing and Comparison of MDAO Architectures,” in 8th AIAA Multidisciplinary Design Optimization Specialist Conference (MDO), Honolulu, Hawaii, 2012, p. 1–26.
[Bibtex]

@inproceedings{Gray2012,
Address = {Honolulu, Hawaii},
Author = {Gray, Justin S. and Moore, Kenneth T. and Hearn, Tristan A. and Naylor, Bret A},
Booktitle = "{8th AIAA Multidisciplinary Design Optimization Specialist Conference (MDO)}",
pdf = {http://openmdao.org/pubs/Gray_Moore_Hearn_Naylor-_2012_-A_Standard_Platform_for_Testing_and_Comparison_of_MDAO_Architectures.pdf},
Pages = {1--26},
Title = {{A Standard Platform for Testing and Comparison of MDAO Architectures}},
Year = {2012}
}

R. M. Coroneos and S. Pai, “Deterministic Design Optimization of Structures in OpenMDAO Framework,” in Nasa/tm 217433, 2012.
[Bibtex]

@inproceedings{Coroneos2012,
Author = {R. M. Coroneos, and Pai, Shantaram},
Booktitle = {NASA/TM 217433},
Title = "{Deterministic Design Optimization of Structures in OpenMDAO Framework}",
Month = {April},
Year = {2012},
pdf = {http://openmdao.org/pubs/Coroneos_Pai-_2012_-Deterministic_Design_Optimization_of_Structures_in_OpenMDAO_Framework.pdf}
}

R. M. Coroneos, “Structural Analysis and Optimization of a Composite Fan Blade for Future Aircraft Engine,” in Nasa/tm 217632, 2012.
[Bibtex]

@inproceedings{Coroneos2012,
Author = {Coroneos, Rula M.},
Booktitle = {NASA/TM 217632},
Title = "{Structural Analysis and Optimization of a Composite Fan Blade for Future Aircraft Engine}",
Month = {August},
Year = {2012},
pdf = {http://openmdao.org/pubs/Coroneos-_2012_-Structural_Analysis_and_Optimization_of_a_Composite_Fan_Blade_for_Future_Aircraft_Engine.pdf}
}

K. T. Moore, “Calculation of Sensitivity Derivatives in an MDAO Framework,” in 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Indianapolis, Indiana, 2012.
[Bibtex]

@inproceedings{openmdao_derivatives,
Address = {Indianapolis, Indiana},
Author = {Moore, Kenneth T.},
Booktitle = "{14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Month = {September},
Organization = {AIAA},
Title = "{Calculation of Sensitivity Derivatives in an MDAO Framework}",
Year = {2012},
pdf = {http://openmdao.org/pubs/Moore-_2012_-Calculation_of_Sensitivity_Derivatives_in_an_MDAO_Framework.pdf}
}

J. S. Gray, K. T. Moore, and B. A. Naylor, “OpenMDAO: An Open-Source Framework for Multidisciplinary Analysis and Optimization,” in 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Fort Worth, TX, AIAA, AIAA-2010-9101, Fort Worth, Texas, 2010.
[Bibtex]

@inproceedings{gray_openmdao2010_b,
Address = {Fort Worth, Texas},
Annote = {2010-9101},
Author = {Gray, Justin S. and Moore, Kenneth T. and Naylor, Bret A.},
Booktitle = "{13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Fort Worth, TX, AIAA, AIAA-2010-9101}",
Month = {August},
Organization = {AIAA},
Title = "{OpenMDAO: An Open-Source Framework for Multidisciplinary Analysis and Optimization}",
url = {http://www.aric.or.kr/treatise/journal/content.asp?idx=134451},
Year = {2010},
pdf = {http://openmdao.org/pubs/Gray_Moore_Naylor-_2010_-OPENMDAO_An_Open_Source_Framework_for_Multidisciplinary_Analysis_and_Optimization.pdf}
}

K. T. Moore, B. A. Naylor, and J. S. Gray, “The Development of an Open-Source Framework for Multidisciplinary Analysis and Optimization,” in 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Victoria, Canada, 2008.
[Bibtex]

@inproceedings{openmdao_1,
Address = {Victoria, Canada},
Author = {Moore, K.T. and Naylor, B.A. and Gray, J.S.},
Booktitle = "{10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference}",
Month = {August},
Note = {AIAA 2008-6069},
Organization = {AIAA},
Title = "{The Development of an Open-Source Framework for Multidisciplinary Analysis and Optimization}",
Year = {2008},
pdf = {http://openmdao.org/pubs/Moore_Naylor_Gray-_2008_-The_Development_of_an_Open_Source_Framework_for_Multidisciplinary_Analysis_and_Optimization.pdf}
}

J. S. Gray and J. L. Briggs, “Design of a Model Execution Framework : Repetitive Object-Oriented Simulation Environment,” in 44th AIAA/ASME/SAE/ASSE Joint Propulsion Conference and Exhibit, Hartford, CT, 2008, p. 1–28.
[Bibtex]

@inproceedings{Gray2008,
Address = {Hartford, CT},
Author = {Gray, Justin S and Briggs, Jeffery L},
Booktitle = "{44th AIAA/ASME/SAE/ASSE Joint Propulsion Conference and Exhibit}",
Month = {July},
Pages = {1--28},
Title = {{Design of a Model Execution Framework : Repetitive Object-Oriented Simulation Environment}},
Year = {2008},
pdf = {http://openmdao.org/pubs/Gray_Briggs-_2008_-Design_of_a_Model_Execution_Framework_Repetitive_Object-Oriented_Simulation_Environment.pdf},
}