Publications

57 entries « 1 of 2 »

2019

Chin, Ting Wei; Leader, Mark L; Kennedy, Graeme J

A Scalable Framework for Large-Scale 3D Multimaterial Topology Optimization with Octree-based Mesh Adaptation Journal Article

Advances in Engineering Software, 135 , 2019.

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Brooks, Timothy R; Martins, Joaquim R R A; Kennedy, Graeme J

High-fidelity aerostructural optimization of tow-steered composite wings Journal Article

Journal of Fluids and Structures, 88 , pp. 122-147, 2019.

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Kiviaho, Jan; Kennedy, Graeme J

Efficient and Robust Load and Displacement Transfer Scheme Using Weighted Least-Squares Journal Article

AIAA Journal, 57 (5), 2019.

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Jacobson, Kevin E; Kiviaho, Jan F; Kennedy, Graeme J; Smith, Marilyn J

Evaluation of Time-domain Damping Identification Methods for Flutter-constrained Optimization Journal Article

Journal of Fluids and Structures, 87 , pp. 174-188, 2019.

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Kiviaho, Jan F; Jacobson, Kevin E; Kennedy, Graeme J

Flutter boundary identification from time-domain simulations using the matrix pencil method Journal Article

AIAA Journal, 2019.

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Leader, Mark K; Chin, Ting Wei; Kennedy, Graeme J

High-Resolution Topology Optimization with Stress and Natural Frequency Constraints Journal Article

AIAA Journal, 2019.

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Boopathy, Komahan; Kennedy, Graeme J

Parallel Finite Element Framework for Rotorcraft Multibody Dynamics and Discrete Adjoint Sensitivities Journal Article

AIAA Journal, 2019.

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Kennedy, Graeme J; Chi, Ting Wei

A sequential convex optimization method for multimaterial compliance design problems Journal Article

Computers & Structures, 212 , pp. 110 - 124, 2019, ISSN: 0045-7949.

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2018

Kiviaho, Jan F; Jacobson, Kevin; Smith, Marilyn J; Kennedy, Graeme

Application of a Time-Accurate Aeroelastic Coupling Framework to Flutter-Constrained Design Optimization Inproceedings

19th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, AIAA Aviation Forum, 2018, (AIAA AIAA 2018-2932).

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Jacobson, Kevin; Kiviaho, Jan F; Smith, Marilyn J; Kennedy, Graeme

An Aeroelastic Coupling Framework for Time-accurate Analysis and Optimization Inproceedings

2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciŦech Forum, 2018, (AIAA 2018-0100).

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Leader, Mark; Chin, Ting~Wei; Kennedy, Graeme J

High Resolution Topology Optimization of Aerospace Structures with Stress and Frequency Constraints Inproceedings

AIAA Aviation 2018, 2018, (AIAA 2018-4056).

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Chin, Ting~Wei; Kennedy, Graeme J

Multimaterial Thermoelastic Stress-constrained Topology Optimization of Structures with Adaptive Mesh Refinement Inproceedings

2018 Multidisciplinary Analysis and Optimization Conference, AIAA Aviation 2018, 2018, (AIAA 2018-4054).

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2017

Martins, Joaquim R R A; Kenway, Gaetan K W; Burdette, David; Jonsson, Eirikur; Kennedy, Graeme J

High-fidelity Multidisciplinary Design Optimization of Aircraft Configurations Technical Report

NASA, Washington DC (2017--219647), 2017.

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Kiviaho, Jan F; Jacobson, Kevin; Smith, Marilyn J; Kennedy, Graeme

A Robust and Flexible Coupling Framework for Aeroelastic Analysis and Optimization Inproceedings

18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, AIAA Aviation Forum, 2017, (AIAA 2017-4144).

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Lambe, Andrew B; Kennedy, Graeme J; Martins, Joaquim R R A

An evaluation of constraint aggregation strategies for wing box mass minimization Journal Article

Structural and Multidisciplinary Optimization, 55 (1), pp. 257–277, 2017.

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Boopathy, Komahan; Kennedy, Graeme

Adjoint-based derivative evaluation methods for flexible multibody systems with rotorcraft applications Inproceedings

55th AIAA Aerospace Sciences Meeting, Grapevine, TX, 2017.

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2016

Kennedy, Graeme J

A Full-space Barrier Method for Stress-constrained Discrete Material Design Optimization Journal Article

Structural and Multidisciplinary Optimization, 2016, (Accepted).

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Dener, Alp; Meng, Pengfei; Hicken, Jason E; Kennedy, Graeme J; Hwang, John; Gray, Justin S

Kona: A Parallel Optimization Library for Engineering-Design Problems Inproceedings

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech, 2016.

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Brooks, Timothy R; Kennedy, Graeme J; Martins, Joaquim R R A

High-fidelity Aerostructural Optimization of a High Aspect Ratio Tow-steered Wing Inproceedings

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech, 2016.

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Chin, Ting~Wei; Kennedy, Graeme J

Large-Scale Compliance-Minimization and Buckling Topology Optimization of the Undeformed Common Research Model Wing Inproceedings

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech, 2016.

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Kennedy, Graeme J; Boopathy, Komahan

A Scalable Adjoint Method for Coupled Flexible Multibody Dynamics Inproceedings

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech, 2016.

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Chin, Ting~Wei; Kennedy, Graeme J

Efficient Large-Scale Thermoelastic Topology Optimization of CAD Geometry with Automated Adaptive Mesh Generation Inproceedings

59th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech, 2016.

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Kennedy, Graeme J

Adjoint-based Mesh Adaptation Techniques for Aggregation Functionals in Structural Design Optimization Inproceedings

17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, AIAA Aviation, 2016, (AIAA 2016-4127).

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2015

Kennedy, Graeme J

A Full-Space Method with Matrix Aggregates for Stress-Constrained Structural Optimization Inproceedings

16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Dallas, TX, 2015.

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Kennedy, Graeme J

Discrete thickness optimization via piecewise constraint penalization Journal Article

Structural and Multidisciplinary Optimization, 51 (6), pp. 1247-1265, 2015.

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Kennedy, Graeme J; Hicken, Jason E

Improved Constraint-Aggregation Methods Journal Article

Computer Methods in Applied Mechanics and Engineering, 289 , pp. 332-354, 2015.

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Kennedy, Graeme J

Strategies for adaptive optimization with aggregation constraints using interior-point methods Journal Article

Computers & Structures, 153 , pp. 217-229, 2015.

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Kennedy, Graeme J

Large-Scale Multimaterial Topology Optimization for Additive Manufacturing Inproceedings

56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Kissimmee, FL, 2015.

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2014

James, Kai A; Kennedy, Graeme J; Martins, Joaquim R R A

Concurrent aerostructural topology optimization of a wing box Journal Article

Computers & Structures, 134 , pp. 1 - 17, 2014, ISSN: 0045-7949.

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Kenway, Gaetan K W; Kennedy, Graeme J; Martins, Joaquim R R A

Scalable parallel approach for high-fidelity steady-state aeroelastic analysis and adjoint derivative computations Journal Article

AIAA Journal, 52 , pp. 935-951, 2014.

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Kennedy, Graeme J; Martins, Joaquim R R A

A parallel aerostructural optimization framework for aircraft design studies Journal Article

Structural and Multidisciplinary Optimization, pp. 1-23, 2014, ISSN: 1615-147X.

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Kennedy, Graeme J; Martins, Joaquim R R A

A parallel finite-element framework for large-scale gradient-based design optimization of high-performance structures Journal Article

Finite Elements in Analysis and Design, 87 (0), pp. 56 - 73, 2014, ISSN: 0168-874X.

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Kennedy, Graeme J; Kenway, Gaetan K W; Martins, Joaquim R R A

High Aspect Ratio Wing Design: Optimal Aerostructural Tradeoffs for the Next Generation of Materials Inproceedings

52nd Aerospace Sciences Meeting, National Harbor, Maryland, 2014, (AIAA 2014-0596).

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Kenway, Gaetan K W; Kennedy, Graeme J; Martins, Joaquim R R A

Aerostructural optimization of the Common Research Model configuration Inproceedings

Aviation 2014, Atlanta, Georgia, 2014.

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Kennedy, Graeme J; Kenway, Gaetan K W; Martins, Joaquim R R A

Towards Gradient-Based Design Optimization of Flexible Transport Aircraft with Flutter Constraints Inproceedings

Aviation 2014, Atlanta, Georgia, 2014.

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Lambe, Andrew B; Kennedy, Graeme J; Martins, Joaquim R R A

Multidisciplinary Design Optimization of an Aircraft Wing via a Matrix-Free Approach Inproceedings

15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Atlanta, GA, 2014.

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2013

Kennedy, Graeme J; Martins, Joaquim R R A

A laminate parametrization technique for discrete ply-angle problems with manufacturing constraints Journal Article

Structural and Multidisciplinary Optimization, pp. 1-15, 2013, ISSN: 1615-147X.

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Kennedy, Graeme J; Martins, Joaquim R R A

Hybrid-parallel Methods for Large-scale Gradient-based Structural Design Optimization Inproceedings

10th World Congress on Structural and Multidisciplinary Optimization, Orlando, FA, 2013.

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Kennedy, Graeme J; Martins, Joaquim R R A

An Adjoint-based Derivative Evaluation Method for Time-dependent Aeroelastic Optimization of Flexible Aircraft Inproceedings

Proceedings of the 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Boston, MA, 2013.

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2012

Kennedy, Graeme J; Martins, Joaquim R R A

A homogenization-based theory for anisotropic beams with accurate through-section stress and strain prediction Journal Article

International Journal of Solids and Structures, 49 (1), pp. 54 - 72, 2012, ISSN: 0020-7683.

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Kenway, Gaetan K W; Kennedy, Graeme J; Martins, Joaquim R R A

A Scalable Parallel Approach for High-Fidelity Aerostructural Analysis and Optimization Inproceedings

53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, 2012, (AIAA-2012-1922).

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Kennedy, Graeme J; Martins, Joaquim R R A

A Comparison of Metallic and Composite Aircraft Wings Using Aerostructural Design Optimization Inproceedings

14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Indianapolis, IN, 2012.

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Kennedy, Graeme J; Martins, Joaquim R R A

A Regularized Discrete Laminate Parametrization Technique with Applications to Wing-Box Design Optimization Inproceedings

53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, 2012, (AIAA-2012-1519).

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2011

Kennedy, Graeme J; Martins, Joaquim R R A

Aerostructural design optimization of composite aircraft with stress and local buckling constraints using an implicit structural parametrization Inproceedings

Proceedings of CASI AERO 2011, Montreal, Quebec, 2011.

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James, Kai A; Kennedy, Graeme J; Martins, Joaquim R R A

Aerostructural topology optimization of an aircraft wingbox Inproceedings

Proceedings of CASI AERO 2011, Montreal, Quebec, 2011.

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Kennedy, Graeme J; Hansen, Jorn S; Martins, Joaquim R R A

A Timoshenko beam theory with pressure corrections for layered orthotropic beams Journal Article

International Journal of Solids and Structures, 48 (16-17), pp. 2373 - 2382, 2011, ISSN: 0020-7683.

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2010

Kenway, Gaetan K W; Kennedy, Graeme J; Martins, Joaquim R R A

A CAD-free approach to high-fidelity aerostructural optimization Inproceedings

13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Forth Worth, TX, AIAA-2010-9231 2010.

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Kennedy, Graeme J; Hansen, Jorn S

The hybrid-adjoint method: A semi-analytic gradient evaluation technique applied to composite cure cycle optimization Journal Article

Optimization and Engineering, 11 , pp. 23-43, 2010.

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Kennedy, Graeme J; Martins, Joaquim R R A

Parallel solution methods for aerostructural analysis and design optimization Inproceedings

Proceedings of the 13th AIAA/ISSMO Multidisciplinary Analysis Optimization Conference, Fort Worth,~TX, 2010, (AIAA 2010-9308).

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2008

Kennedy, Graeme J; Martins, Joaquim R R A; Hansen, Jorn S

Aerostructural optimization of aircraft structures using asymmetric subspace optimization Inproceedings

12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Victoria, BC, AIAA 2008, (AIAA-2008-5847).

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57 entries « 1 of 2 »