Journal Papers
60) M. Billah and P. Acar, "Design of polycrystalline metallic alloys under multi-scale uncertainty by connecting atomistic to meso-scale properties", Acta Materialia, Vol. 270, 119879, May 2024; doi: 10.1016/j.actamat.2024.119879.
59) E. Eger and P. Acar, "Uncertainty Analysis for Ferromagnetic-Paramagnetic Phase Transition Behavior of Magnetic Materials", JOM, in press, 2024; doi: 10.1007/s11837-024-06502-9.
58) M. Hasan, E. Eger, A. Senthilnathan and P. Acar, "Microstructure-Sensitive Deformation Modeling and Materials Design with Physics-Informed Neural Networks", AIAA Journal, in press, 2024; doi: 10.2514/1.J062708 .
57) S. Liu and P. Acar, "Generative Adversarial Networks for the Inverse Design of 2D Spinodoid Metamaterials", AIAA Journal, in press, 2024; doi: 10.2514/1.J063697.
56) A. M. Roy, S. Ganesan, P. Acar, R. Arroyave and V. Sundararaghavan, "Combining crystal plasticity and phase field model for predicting texture evolution and the influence of nuclei clustering on recrystallization path kinetics in Ti-alloys", Acta Materialia, Vol. 266, 119645, March 2024; doi:10.1016/j.actamat.2023.119645.
55) (invited) E. Eger and P. Acar, "Uncertainty Quantification of Phase Transitions in Magnetic Materials Lattices", Applied Physics Letters, Vol. 124, 020501, January 2024; doi:10.1063/5.0183844 (Editor's Pick Perspective Article).
54) S. Liu and P. Acar, "Mapping Material-Property Space of Cellular Metamaterials under Uncertainty", Computational Materials Science, Vol. 233, 112716, January 2024; doi: 10.1016/j.commatsci.2023.112716.
53) M. Elleithy, H. Zhao and P. Acar, "Sensitivity Assessment on Homogenized Stress-Strain Response of Ti-6Al-4V Alloy", JOM, in press, doi: 10.1007/s11837-023-06188-5 .
52) M. Billah, M. S. Rabbi, K. A. Rahman and P. Acar, "Temperature and Strain Rate Dependent Tensile Properties of Titanium Carbide/Nitride MXenes", Materials Chemistry and Physics, Vol. 312, 128581, 2024; doi: 10.1016/j.matchemphys.2023.128581.
51) J. Lin, M. Hasan, P. Acar, J. Blanchet and V. Tarokh, "Neural Network Accelerated Process Design of Polycrystalline Microstructures", Materials Today Communications, Vol. 36, 106884, 2023; doi: 10.1016/j.mtcomm.2023.106884 (pre-print available in ArXiv. /abs/2305.00003, 2023; doi: 10.48550/arXiv.2305.00003).
50) A. Senthilnathan, P. Acar and B. Raeymaekers, "Reconstructing synthetic surface topography maps from an experimental measurement using a Markov random field graphical network", Tribology Letters, Vol. 71, Article No. 85, 2023; doi: 10.1007/s11249-023-01758-9.
49) Y. Mao, M. Hasan, A. Paul, V. Gupta, K. Choudhary, F. Tavazza, W. K. Liao, A. Choudhary, P. Acar and A. Agrawal, "An AI-Driven Microstructure Optimization Framework for Elastic Properties of Titanium Beyond Cubic Crystal Systems", npj Computational Materials, Vol. 9, Article No. 111, 2023; doi: 10.1038/s41524-023-01067-8 .
48) S. Liu and P. Acar, "Parameter Space Exploration of Cellular Mechanical Metamaterials Using Genetic Algorithms", AIAA Journal, Vol. 61, No. 8, pp: 3633-3643 , 2023; doi: 10.2514/1.J062864.
47) E. Chaturvedi, P. Acar and C. Sandu, "Multi-objective macrogeometry optimization of gears: Comparison between sequential quadratic programming and genetic algorithm", Mechanics Based Design of Structures and Machines, Vol. 51, No. 1, pp: 97-112, 2022; doi: 10.1080/15397734.2022.2146710 .
46) P. Acar, A. Tran, M. Nikbay and S. Mahadevan, "Editorial: Uncertainty quantification in characterization, modelling, and design of materials", Frontiers in Materials, Vol. 9, 1111499, December 2022; doi: 10.3389/fmats.2022.1111499.
45) M. Hasan and P. Acar, "Microstructure-Sensitive Stochastic Design of Polycrystalline Materials for Quasi-Isotropic Properties", AIAA Journal, Vol. 60, No. 12, pp: 6869-6880, 2022; doi: 10.2514/1.J061788.
44) A. Senthilnathan, I. Javaheri, H. Zhao, V. Sundararaghavan, M. De Graef and P. Acar, "Uncertainty Quantification of Metallic Microstructures Using Principal Image Moments", Computational Materials Science, Vol. 215, 111775, 2022; doi: 10.1016/j.commatsci.2022.111775 .
43) A. Senthilnathan and P. Acar, "Multi-Scale Modeling for Texture and Grain Topology of Polycrystalline Microstructures under Uncertainty", AIAA Journal, Vol. 60, No. 8, pp: 4969-4975, 2022; doi: 10.2514/1.J061455.
42) M. Hasan, Y. Mao, K. Choudhary, F. Tavazza, A. Choudhary, A. Agrawal, and P. Acar, "Data-Driven Multi-Scale Modeling and Optimization for Elastic Properties of Cubic Microstructures", Integrating Materials and Manufacturing Innovation, Vol.11, pp: 230-240, 2022; doi: 10.1007/s40192-022-00258-3.
41) M. Hasan, A. Senthilnathan and P. Acar, "Uncertainty Dominated Phase Transitions of 2-D Magnetic Materials", AIAA Journal, Vol. 60, No. 5, pp: 3357-3363, 2022; doi:10.2514/1.J061465 .
40) M. Hasan and P. Acar, "Machine Learning Reinforced Microstructure-Sensitive Prediction of Material Property Closures", Computational Materials Science, Vol. 210, 110930, 2022; doi: 10.1016/j.commatsci.2021.110930 .
39) K. McMillan and P. Acar, "Database Development and Component Design with 2D-Trusslike Microstructures", AIAA Journal, Vol. 60, No. 1, pp: 520-525, 2022; doi: 10.2514/1.J060892 .
38) M. Hasan and P. Acar, "Uncertainty Quantification of the Metallic Microstructures with Analytical and Machine Learning Based Approaches", AIAA Journal, Vol. 60, No. 1, pp: 461-472, 2022; doi: 10.2514/1.J060372 .
37) A. Senthilnathan, P. Acar and M. De Graef, "Markov Random Field based microstructure reconstruction using the principal image moments", Materials Characterization, Vol. 178, 111281, August 2021; doi:10.1016/j.matchar.2021.111281
36) J. Yang, S. Harish, C. Li, H. Zhao, B. Antous and P. Acar, "Deep Reinforcement Learning for Multi-Phase Microstructure Design", Computers, Materials & Continua, Vol. 68, No. 1, pp: 1285-1302, 2021; doi: 10.32604/cmc.2021.016829.
35) (invited) P. Acar, "Recent Progress of Uncertainty Quantification in Small-Scale Materials Science", Progress in Materials Science, Vol. 117, April 2021, 100723; doi: 10.1016/j.pmatsci.2020.100723.
34) P. Acar, "Computational Design of Microstructures with Stochastic Property Closures", Journal of Engineering Materials and Technology, Vol. 143, 011008-1, 2021; doi: 10.1115/1.4048281
33) K. Choudhary, K. Garrity, A. Reid, B. DeCost, A. Biacchi, A. H. Walker, Z. Trautt, J. Hattrick-Simpers, A. G. Kusne, A. Centrone, A. Davydov, J. Jiang, R. Pachter, G. Cheon, E. Reed, A. Agrawal, X. Qian, V. Sharma, H. Zhuang, S. Kalinin, B. Sumpter, G. Pilania, P. Acar, S. Mandal, K. Haule, D. Vanderbilt, K. Rabe, and F. Tavazza, "The joint automated repository for various integrated simulations (JARVIS) for data-driven materials design", npj Computational Materials, Vol. 6, Article Number: 173, 2020; doi: 10.1038/s41524-020-00440-1 .
32) P. Acar, "Machine Learning Reinforced Crystal Plasticity Modeling under Experimental Uncertainty", AIAA Journal, Vol. 58, No. 8, pp: 3569-3576, 2020; doi:10.2514/1.J059233.
31) S. Callioglu and P. Acar, "Design of Galfenol and Alfenol Microstructures for Bending Mode Energy Harvesters", Journal of Materials Science, Vol. 55, pp: 12127–12138, 2020; doi:10.1007/s10853-020-04832-y.
30) S. Callioglu and P. Acar, "Design of Beta-Titanium Microstructures for Implant Materials", Materials Science and Engineering C, Vol. 110, p. 110715, 2020; doi: 10.1016/j.msec.2020.110715.
29) P. Acar, "A New Sampling Approach for Multi-Scale Design of Metallic Materials", Journal of Mechanical Design, Vol. 142, No. 8, 081702, 2020; doi:10.1115/1.4045800.
28) P. Acar, "Integrating an Analytical Uncertainty Quantification Approach to Multi-Scale Modeling of Nanocomposites", Journal of Engineering Materials and Technology, Vol. 142, No. 1, 011011, 2020; doi:10.1115/1.4044776
27) P. Acar, "Uncertainty Quantification for Ti-7Al Alloy Microstructure with an Inverse Analytical Model (AUQLin)", Materials, Vol. 12, No. 11, 1773, 2019; doi: 10.3390/ma12111773.
26) P. Acar, "Machine Learning Approach for Identification of Microstructure-Process Linkages", AIAA Journal, Vol. 57, No. 8, pp: 3608-3614, 2019; doi: 10.2514/1.J058244.
25) (invited) R. Catania, A. Diraz, D. Maier, A. Tagle and P. Acar, "Mathematical Strategies for Design Optimization of Multi-Phase Materials", Mathematical Problems in Engineering, Vol. 2019, Article ID 4024637, 2019; doi: 10.1155/2019/4024637.
24) (invited) P. Acar, "Multi-Scale Computational Modeling of Lightweight Aluminum-Lithium Alloys", Heliyon, Vol. 5, No. 3, e01225, 2019; doi: 10.1016/j.heliyon.2019.e01225
23) A. Paul, P. Acar, W. Liao, A. Choudhary, V. Sundararaghavan, A. Agrawal, "Microstructure Optimization with Constrained Design Objectives using Machine Learning-Based Feedback-Aware Data-Generation", Computational Materials Science, Vol. 160, pp: 334-351, 2019; doi: 10.1016/j.commatsci.2019.01.015.
22) P. Acar, "Eliminating mesh sensitivities in microstructure design with an adjoint algorithm", Finite Elements in Analysis and Design, Vol. 154, pp: 22-29, February 2019; doi: 10.1016/j.finel.2018.10.001.
21) P. Acar and V. Sundararaghavan, "Do Epistemic Uncertainties Allow for Replacing Microstructural Experiments with Reconstruction Algorithms?", AIAA Journal, Vol. 57, No. 3, pp: 1078-1091, 2019; doi: 10.2514/1.J057488.
20) P. Acar and V. Sundararaghavan, "Stochastic Design Optimization of Microstructural Features using Linear Programming for Robust Material Design", AIAA Journal, Vol. 57, No. 1, pp: 448-455, 2019; doi: 10.2514/1.J057377.
19) P. Acar, "Crystal Plasticity Model Calibration for Ti-7Al Alloy with a Multi-Fidelity Computational Scheme", Integrating Materials and Manufacturing Innovation, Vol. 7, No. 4, pp: 186-194, 2018; doi: 10.1007/s40192-018-0120-0
18) P. Acar, "Reliability Based Design Optimization of Microstructures with Analytical Formulation", Journal of Mechanical Design, Vol. 140, No. 11, 111402, 2018; doi: 10.1115/1.4040881.
17) P. Acar, V. Sundararaghavan and M. De Graef, "Computational Modeling of Crystallographic Texture Evolution over Cubochoric Space", Modelling and Simulation in Materials Science and Engineering, Vol. 26, No. 6, 065012, 2018; doi: 10.1088/1361-651X/aad20b
16) P. Acar and V. Sundararaghavan, "Reduced Order Modeling Approach for Materials Design with a Sequence of Processes", AIAA Journal, Vol. 56, No. 12, pp: 5041-5044, 2018; doi: 10.2514/1.J057221.
15) P. Acar, V. Sundararaghavan and N. Fasanella, "Multi-Scale Optimization of Nanocomposites with Probabilistic Feature Descriptors", AIAA Journal, Vol. 56, No. 7, pp: 2936-2941, 2018; doi: 10.2514/1.J056791
14) A. Paul, P. Acar, R. Liu, W-K. Liao, A. Choudhary, V. Sundararaghavan, A. Agrawal, "Data Sampling Schemes for Microstructure Design with Vibrational Tuning Constraints", AIAA Journal, Vol. 56, No. 3, pp: 1239-1250, 2018; doi: 10.2514/1.J056170.
13) P. Acar, A. Ramazani, V. Sundararaghavan, "Crystal Plasticity Modeling and Experimental Validation with an Orientation Distribution Function for Ti-7Al Alloy", Metals, Vol. 7, No. 11, 459, 2017; doi: 10.3390/met7110459
12) P. Acar, S. Srivastava and V. Sundararaghavan, "Stochastic Design Optimization of Microstructures with Utilization of a Linear Solver", AIAA Journal, Vol. 55, No: 9, pp: 3161-3168, 2017; doi: 10.2514/1.J056000.
11) P. Acar and V. Sundararaghavan, "Uncertainty Quantification of Microstructural Properties due to Experimental Variations", AIAA Journal, Vol. 55, No: 8, pp: 2824-2832, 2017; doi: 10.2514/1.J055689.
10) P. Acar and V. Sundararaghavan, "Uncertainty Quantification of Microstructural Properties due to Variability in Measured Pole Figures", Acta Materialia, Vol. 124, pp: 100-108, 2017; doi: 10.1016/j.actamat.2016.10.070.
9) P. Acar, A. A. Vijayachandran, V. Sundararaghavan and A. M. Waas, "Fiber Path Optimization of a Symmetric Laminate with a Cutout for Thermal Buckling", Journal of Aircraft, Vol. 54, No.1, pp: 54-61, 2017; doi: 10.2514/1.C033866
8) P. Acar and V. Sundararaghavan, "A Markov Random Field Approach for Modeling Spatio-Temporal Evolution of Microstructures", Modelling and Simulation in Materials Science and Engineering, Vol. 24, No. 7, 075005, 2016; doi: 10.1088/0965-0393/24/7/075005
7) P. Acar and V. Sundararaghavan, "Linear solution scheme for microstructure design with process constraints", AIAA Journal, Vol. 54, No. 12, pp: 4022-4031, 2016; doi: 10.2514/1.J055247
6) P. Acar and V. Sundararaghavan, "Utilization of a Linear Solver for Multiscale Design and Optimization of Microstructures", AIAA Journal, Vol. 54, No. 5, pp: 1751-1759, 2016; doi: 10.2514/1.J054822
5) M. Nikbay and P. Acar, "Aeroelastic predictions for steady and unsteady flow characteristics of the HIRENASD wing", Progress in Computational Fluid Dynamics, Vol. 16 No.1, pp: 26-37, 2016; doi: 10.1504/PCFD.2016.074253
4) P. Acar, A. A. Vijayachandran, V. Sundararaghavan, A. M. Waas and M. Rassaian, "Optimization of Spatially Varying Fiber Paths for a Symmetric Laminate with a Circular Cutout under Remote Uniaxial Tension", SAE Int. J. Mater. Manf., Vol. 9, No. 1, pp: 75-80, 2016; doi: 10.4271/2015-01-2609
3) M. Nikbay and P. Acar, "Reduced order modelling for static and dynamic aeroelastic predictions with multidisciplinary approach", CEAS Aeronautical Journal, Vol. 6, No. 3, pp: 455-469, 2015; doi: 10.1007/s13272-015-0154-3
2) M. Nikbay, P. Acar and A. R. Aslan, "Development of a Nanosatellite De-Orbiting System by Reliability Based Design Optimization", Acta Astronautica, Vol.117, pp: 469-483, 2015; doi: 10.1016/j.actaastro.2015.09.002
1) M. Nikbay and P. Acar, "Integrating Analytical Aeroelastic Instability Analysis into Design Optimization of Aircraft Wing Structures", TWMS Journal of Applied and Engineering Mathematics, Vol. 1, No. 2, pp: 237-253, 2011.
Conference Proceedings and Meeting Presentations
90) P. Acar, E. Eger, A. Senthilnathan, M. Hasan and M. Elleithy, "Inverse Design for Crystal Plasticity Model Identification via Physics-Informed Neural Networks", 153rd TMS Annual Meeting & Exhibition, 3-7 March 2024, Orlando, FL (Invited Keynote at Frontiers of Materials Award Special Session).
89) S. Liu and P. Acar, "Generative Adversarial Networks for the Inverse Design of 2D Spinodoid Metamaterials", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2024, Orlando, FL.
88) E. Eger and P. Acar, "Eliminating Magnetic Phase Transitions with Microstructural Optimization in 2D Lattices", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2024, Orlando, FL.
87) M. Elleithy and P. Acar, "Sensitivity Analysis and Uncertainty Quantification for Crystal Plasticity Parameters of Ti-6Al-4V Alloy", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2024, Orlando, FL.
86) M. T. Long, A. Senthilnathan and P. Acar, "Quantification of Aleatoric and Epistemic Uncertainty of Microstructures using Experiments and Markov Random Fields", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2024, Orlando, FL.
85) Y. Mao, M. Hasan, C. Lee, M. N. T. Kilic, V. Gupta, W. Liao, A. Choudhary, P. Acar and A. Agrawal, "A deep learning framework for time-series processing-microstructure-property prediction", IEEE 22nd International Conference on Machine Learning and Applications (ICMLA), 15-17 December 2023, Jacksonville, FL.
84) P. Acar, S. Liu, E. Eger, M. Elleithy, H. Zhao and M. Long, "Materials Informatics for Computational and Machine Learning (ML)-Assisted Design: An Overview for Polycrystalline Metals and Mechanical Metamaterials", Materials Research Society (MRS) Fall Meeting, 5-7 December 2023, Virtual (invited).
83) S. Liu and P. Acar, "Inverse Design of Cellular Mechanical Metamaterials with Micro Genetic Algorithm for Parameter Space Exploration", ASME International Mechanical Engineering Congress & Exposition (ASME IMECE), 29 October-2 November 2023, New Orleans, LA, USA.
82) E. Eger and P. Acar, "Inverse Design for Crystal Plasticity Model Calibration of Ti-7Al Alloy with Physics-Informed Machine Learning", ASME International Mechanical Engineering Congress & Exposition (ASME IMECE), 29 October-2 November 2023, New Orleans, LA, USA.
81) M. Elleithy, E. Eger, A. Senthilnathan, M. Hasan and P. Acar, "Physics-Informed Machine Learning for Crystal Plasticity Model Calibration of Ti-7Al Alloy", Materials Science and Technology (MS&T) Technical Meeting and Exhibition, 1-4 October 2023, Columbus, OH.
80) M. Elleithy and P. Acar, "Crystal Plasticity Modeling of Ti-6Al-4V Alloy under Uncertainty with Surrogate Optimization and Experimental Validation", Materials Science and Technology (MS&T) Technical Meeting and Exhibition, 1-4 October 2023, Columbus, OH.
79) E. Eger, A. Senthilnathan, M. Hasan and P. Acar, "Investigating Magnetic Phase Transitions with Ising Models accounting for Long-Range Spin Interactions", 152nd TMS Annual Meeting & Exhibition, 19-23 March 2023, San Diego, CA.
78) M. Hasan, E. Eger, A. Senthilnathan and P. Acar, "Modeling the Phase Transition of 2D Magnetic Materials under the effects of External Parameters Uncertainty", 152nd TMS Annual Meeting & Exhibition, 19-23 March 2023, San Diego, CA.
77) S. Liu and P. Acar, "Exploring Property Spaces of Cellular Mechanical Metamaterials under Uncertainty", AIAA Science and Technology Forum (AIAA SciTech), 23-27 January 2023, National Harbor, MD & Virtual.
76) H. Zhao, A. Senthilnathan, K. Snyder, J. Sions and P. Acar, "Grain Topology Quantification of Additively Manufactured Metallic Microstructures", AIAA Science and Technology Forum (AIAA SciTech), 23-27 January 2023, National Harbor, MD & Virtual.
75) A. Senthilnathan, I. Javaheri, V. Sundararaghavan and P. Acar, "Computational Characterization and Model Verification for 3D Microstructure Reconstruction of Additively-Manufactured Materials", AIAA Science and Technology Forum (AIAA SciTech), 23-27 January 2023, National Harbor, MD & Virtual.
74) M. Hasan, E. Eger, A. Senthilnathan and P. Acar, "Microstructure-Sensitive Material Design with Physics-Informed Neural Networks", AIAA Science and Technology Forum (AIAA SciTech), 23-27 January 2023, National Harbor, MD & Virtual.
73) P. Acar, A. Senthilnathan, S. Liu, M. Hasan, K. McMillan and H. Zhao, "Computational and Data-Driven Design of Materials under Uncertainty", Society of Engineering Science (SES) Annual Meeting, 16-19 October 2022, College Station, TX, (invited talk at Engineering Science Medal Symposium).
72) P. Acar, S. Liu, M. Hasan, A. Senthilnathan and H. Zhao, "AI/ML-Driven Multi-Scale Modeling and Design of Structural Materials", Materials Processing and Fundamental Understanding Based on Machine Learning and Data Informatics — AI-guided Microstructure Study Symposium, Materials Science and Technology (MS&T) Technical Meeting and Exhibition, 9-12 October 2022, Pittsburgh, PA (invited talk).
71) K. McMillan, D. C. S. Ozturk and P. Acar, "Design of 2D-Mechanical Metamaterials with Spinodal Topologies", 151st TMS Annual Meeting & Exhibition, February 27- March 3, 2022, Anaheim, CA & Virtual.
70) M. Hasan, A. Senthilnathan and P. Acar, "Uncertainty Quantification for Ferromagnetic-Paramagnetic Phase Transition Onset by Integrating an Analytical Approach into Ising Models", 151st TMS Annual Meeting & Exhibition, February 27- March 3, 2022, Anaheim, CA & Virtual.
69) A. Senthilnathan and P. Acar, "Development of a New Shape Descriptor for Modeling and Uncertainty Quantification of Microstructures", 151st TMS Annual Meeting & Exhibition, February 27- March 3, 2022, Anaheim, CA & Virtual.
68) A. Senthilnathan and P. Acar, "Multi-fidelity Surrogate Modeling of Epistemic Uncertainty Arising from Microstructure Reconstruction", 151st TMS Annual Meeting & Exhibition, February 27- March 3, 2022, Anaheim, CA & Virtual.
67) M. Hasan, A. Senthilnathan and P. Acar, "Uncertainty Dominated Phase Transitions of 2-D Magnetic Materials", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
66) K. McMillan, D. C. S. Öztürk and P. Acar, "Inverse Design of 2D-Mechanical Metamaterials with Spinodal Topologies under Uncertainty", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual (Received SwRI Best Paper Award in Non-Deterministic Approaches).
65) R. Catania, A. Senthilnathan, J. Sions, K. Snyder, H. Al-Ghaib, B. Zimmerman and P. Acar, "New Methodologies for Grain Boundary Detection in EBSD Data of Microstructures", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
64) S. Liu and P. Acar, "Inverse Multiscale Design of Cellular Mechanical Metamaterials", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
63) M. Hasan and P. Acar, "Microstructure-Sensitive Stochastic Design of Polycrystalline Materials for Quasi-Isotropic Properties with Applications to Aerospace Systems", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
62) A. Senthilnathan and P. Acar, "Multi-Scale Modeling for Texture and Grain Topology of Polycrystalline Microstructures under Uncertainty", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
61) W. Zhao, M. Harrach, R. Kapania and P. Acar, "Thermo-Mechanical Analysis of Residual Stresses and Distortions of Models Fabricated Using Additive Manufacturing", AIAA Science and Technology Forum (AIAA SciTech), 3-7 January 2022, San Diego, CA & Virtual.
60) V. Swamy, Y. Achanta, and P. Acar, "Multi-Objective Design Optimization of a Passenger Quarter Car with Gradient-Based and Gradient-Free Algorithms", ASME International Mechanical Engineering Congress (ASME IMECE 2021), 1-5 November, 2021, (Virtual).
59) S. Liu and P. Acar, "Inverse Multiscale Design of Cellular Mechanical Metamaterials", ASME International Mechanical Engineering Congress (ASME IMECE 2021), 1-5 November, 2021, (Virtual).
58) M. Hasan and P. Acar, "Analytical and Machine Learning Based Uncertainty Quantification of the Metallic Microstructures", 16th U.S. National Congress on Computational Mechanics (USNCCM), 25-29 July 2021, (Virtual).
57) A. Senthilnathan and P. Acar, "Uncertainty Quantification for Microstructure Reconstruction of Additively Manufactured Microstructures", 16th U.S. National Congress on Computational Mechanics (USNCCM), 25-29 July 2021, (Virtual).
55) A. Senthilnathan and P. Acar, "Uncertainty Quantification of Microstructures using Shape Moment Invariants", SIAM Conference on Mathematical Aspects of Materials Science - MS 21, 17-27 May 2021, (Virtual).
54) R. Catania, A. Senthilnathan and P. Acar, "Moment Invariants as Microstructure Topology Descriptors", SIAM Conference on Mathematical Aspects of Materials Science - MS 21, 17-27 May 2021, (Virtual).
53) M. Elleithy and P. Acar, "Design of Composite Fiber Paths under Manufacturing Uncertainties for Improved Mechanical Performance", SIAM Conference on Mathematical Aspects of Materials Science - MS 21, 17-27 May 2021, (Virtual).
52) P. Acar, A. Senthilnathan, M. Hasan, S. Liu, K. McMillan, R. Catania, M. Elleithy and H. Zhao, "Computational and Data-Driven Multi-Scale Design of Materials under Uncertainty: Current and Future Challenges", SIAM Conference on Mathematical Aspects of Materials Science - MS 21, 17-27 May 2021, (Virtual).
51) A. Senthilnathan and P. Acar, "Uncertainty Quantification for Thermo-Mechanical Behavior of Aircraft Engine Materials in Elevated Temperatures", 150th TMS Annual Meeting & Exhibition, 15-18 March 2021, (Virtual).
50) A. Senthilnathan and P. Acar, "Uncertainty Quantification of Microstructures with a New Technique: Shape Moment Invariants", 150th TMS Annual Meeting & Exhibition, 15-18 March 2021, (Virtual).
49) M. Hasan, A. Senthilnathan and P. Acar, "Machine Learning Reinforced Multi-Scale Modeling of Microstructures under Uncertainties", AIAA Science and Technology Forum (AIAA SciTech), 11-15 & 19-21 January 2021, (Virtual).
48) K. McMillan and P. Acar, "Database Development and Topology Optimization for 3D Printed Microstructures", AIAA Science and Technology Forum (AIAA SciTech), 11-15 & 19-21 January 2021, (Virtual).
47) M. Hasan and P. Acar, "Uncertainty Quantification of the Metallic Microstructures with Analytical and Machine Learning Based Approaches", AIAA Science and Technology Forum (AIAA SciTech), 11-15 & 19-21 January 2021, (Virtual).
46) A. Senthilnathan and P. Acar, "Shape Moment Invariants as a New Methodology for Uncertainty Quantification in Microstructures", AIAA Science and Technology Forum (AIAA SciTech), 11-15 & 19-21 January 2021, (Virtual).
45) P. Acar, "Multi-Scale Optimization of Metallic Microstructures under Epistemic Uncertainty", 14th World Congress on Computational Mechanics (WCCM) & ECCOMAS Virtual Congress, 11-15 January 2021, (Virtual), (IACM-FRC Best Presentation Award).
44) A. Senthilnathan, P. Acar and M. De Graef, "Microstructure Reconstruction of Additively Manufactured Metallic Materials with Markov Random Fields", 149th TMS Annual Meeting & Exhibition, 23-27 February 2020, San Diego, CA, USA.
43) P. Acar, "Machine Learning Reinforced Crystal Plasticity Modeling of Titanium-Aluminum Alloys under Uncertainty", 149th TMS Annual Meeting & Exhibition, 23-27 February 2020, San Diego, CA, USA.
42) P. Acar, "Machine Learning Reinforced Crystal Plasticity Modeling under Experimental Uncertainty", AIAA Science and Technology Forum (AIAA SciTech), 6-10 January 2020, Orlando, FL, USA.
41) P. Acar, "Design Optimization of Metallic Alloy Microstructures under Epistemic Uncertainty", AIAA Science and Technology Forum (AIAA SciTech), 6-10 January 2020, Orlando, FL, USA.
40) P. Acar and A. Senthilnathan, "Uncertainty Quantification for Microstructure Reconstruction of Additively Manufactured Materials", ASME International Mechanical Engineering Congress & Exposition (IMECE), 11-14 November 2019, Salt Lake City, UT, USA (invited).
39) P. Acar, "Computational Design of Microstructures with Stochastic Property Closures", ASME International Mechanical Engineering Congress & Exposition (IMECE), 11-14 November 2019, Salt Lake City, UT, USA.
38) P. Acar, "Uncertainty Quantification for Microstructural Features of Additively Manufactured Materials", 15th U.S. National Congress on Computational Mechanics, 28 July-1 August 2019, Austin, TX, USA.
37) P. Acar, "A Machine Learning Approach for Crystal Plasticity Modeling of Ti-7Al Alloy under Uncertainties", 5th World Congress on Integrated Computational Materials Engineering (ICME 2019), 21-25 July 2019, Indianapolis, IN, USA.
36) P. Acar, “Multi-Fidelity Crystal Plasticity Modeling of Titanium-Aluminum Alloys”, 16th Pan-American Congress of Applied Mechanics, 20-23 May 2019, Ann Arbor, MI, USA.
35) P. Acar, “A Machine Learning Approach for Process Optimization of Polycrystalline Materials”, 148th TMS Annual Meeting & Exhibition, 10-14 March 2019, San Antonio, TX, USA.
34) M. Ghodrati, P. Acar and R. Mirzaeifar, “A Generalized Nature-Inspired Optimization Method: Additively Manufactured Materials with Superior Mechanical Performance”, 148th TMS Annual Meeting & Exhibition, 10-14 March 2019, San Antonio, TX, USA.
33) P. Acar and V. Sundararaghavan, “Uncertainty Quantification in Microstructural Reconstruction of Additively Manufactured Materials”, 148th TMS Annual Meeting & Exhibition, 10-14 March 2019, San Antonio, TX, USA.
32) P. Acar, "A Transductive Learning Approach for Identification of Microstructure-Process Linkages", AIAA Science and Technology Forum (AIAA SciTech), 7-11 January 2019, San Diego, CA, USA.
31) P. Acar and V. Sundararaghavan, "Uncertainty Quantification and Stochastic Optimization for Spatially Varying Composite Fiber Paths", AIAA Science and Technology Forum (AIAA SciTech), 7-11 January 2019, San Diego, CA, USA.
30) P. Acar, "Integrating an Analytical Uncertainty Quantification Approach to Multi-Scale Modeling of Nanocomposites", ASME International Mechanical Engineering Congress & Exposition (IMECE), 11-14 November 2018, Pittsburgh, PA, USA.
29) A. M. Roy, S. Ganesan, P. Acar, S. Gentry, A. Trump, J. Allison, K. Thornton, V. Sundararaghavan, "Phase-field Approach Coupled with Crystal Plasticity for Three-Dimensional Static Recrystallization in Ti-7Al Alloys and Comparison with Experiment", Materials Science & Technology Technical Meeting and Exhibition, 14-18 October 2018, Columbus, OH, USA.
28) P. Acar, "Multi-Scale Design Optimization of Microstructures Using a Linear Solver", SIAM Conference on Mathematical Aspects of Materials Science, 9-13 July 2018, Portland, OR, USA.
27) A. M. Roy, S. Ganesan, P. Acar, S. Gentry, A. Trump, J. Allison, K. Thornton, V. Sundararaghavan, "Phase Field Approach Coupled with Crystal Plasticity for Three Dimensional Recrystallization in Ti-Al Alloys and Comparison with Experiment", 147th TMS Annual Meeting & Exhibition, 11-15 March 2018, Phoenix, AZ, USA.
26) S. Sundar, P. Acar and V. Sundararaghavan, "Prediction of Single Crystal Properties of Aluminum-Lithium Alloy Using a Stochastic Inverse Model", 147th TMS Annual Meeting & Exhibition, 11-15 March 2018, Phoenix, AZ, USA.
25) P. Acar and V. Sundararaghavan, "Replacing Microstructural Experiments with Reconstruction Algorithms: Do Epistemic Uncertainties Allow?", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2018, Kissimmee, FL, USA.
24) P. Acar, V. Sundararaghavan and N. Fasanella, "Multi-Scale Optimization of Nanocomposites with Probabilistic Feature Descriptors", AIAA Science and Technology Forum (AIAA SciTech), 8-12 January 2018, Kissimmee, FL, USA.
23) P. Acar and V. Sundararaghavan, "Uncertainty Quantification of Microstructural Properties due to Experimental Variations", AIAA Science and Technology Forum (AIAA SciTech), 9-13 January 2017, Grapevine, TX, USA.
22) P. Acar, S. Srivastava and V. Sundararaghavan, "Stochastic Design Optimization of Microstructures with Utilization of a Linear Solver", AIAA Science and Technology Forum (AIAA SciTech), 9-13 January 2017, Grapevine, TX, USA.
21) V. Sundararaghavan and P. Acar, "Uncertainty Quantification of Microstructural Variability Using an Analytical Approach", 4th World Congress on Integrated Computational Materials Engineering (ICME), 21-25 May 2017, Ypsilanti, MI, USA.
20) P. Acar and V. Sundararaghavan, "Uncertainty Quantification of Microstructural Properties due to Experimental Variability", 4th Design MURI Team Meeting, 22-23 August 2016, Pasadena, CA, USA.
19) P. Acar and V. Sundararaghavan, "Markov Random Field for Microstructure Synthesis", 4th Design MURI Team Meeting, 22-23 August 2016, Pasadena, CA, USA.
18) P. Acar and V. Sundararaghavan, "Utilization of a Linear Solver for Multiscale Design and Optimization of Microstructures in an Airframe Panel Buckling Problem", AIAA Science and Technology Forum (AIAA SciTech), 4-8 January 2016, San Diego, CA, USA.
17) A. A. Vijayachandran, P. Acar , V. Sundararaghavan and A. M. Waas, "Fiber Path Optimization of a Composite Plate with a Cutout for Thermal Buckling", AIAA Science and Technology Forum (AIAA SciTech) , 4-8 January 2016, San Diego, CA, USA.
16) P. Acar and V. Sundararaghavan, "Optimization of Multi-Scale Microstructure Design to Improve Macro-Level Engineering Performance in Aerospace Applications", The North American modeFRONTIER Users' Meeting , 4 November 2015, Detroit, MI, USA.
15) P. Acar , A. A. Vijayachandran, V. Sundararaghavan, A. M. Waas and M. Rassaian, "Optimization of Spatially Varying Fiber Paths for a Symmetric Laminate with a Circular Cutout under Remote Uniaxial Tension", SAE Aerotech Congress and Exhibition, 22-24 September 2015, Seattle, WA, USA.
14) P. Acar and V. Sundararaghavan, "Sampling methods applied to material optimization problems with multiple microstructural solutions", 3rd Design MURI Team Meeting, 16-17 August 2015, Pittsburgh, PA, USA.
13) P. Acar , A. A. Vijayachandran, V. Sundararaghavan and A. M. Waas, "Optimization of Curvilinear Fiber Paths for an Orthotropic Lamina", 15th Pan-American Congress of Applied Mechanics (PACAM XV) , 18-21 May 2015, Urbana-Champaign, IL, USA.
12) M. Nikbay and P. Acar , "Multidisciplinary Uncertainty Quantification in Aeroelastic Analyses of Semi-Span Supersonic Transport Wing", 16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Aviation Forum, 22 - 26 June 2015, Dallas, TX, USA.
11) P. Acar and M. Nikbay, "Reduced Order Modelling of High-Fidelity Computational Fluid-Structure Interaction Analysis for Aeroelastic Systems", SEECCM III (3rd South-East European Conference on Computational Mechanics-an ECCOMAS and IACM Special Interest Conference), 12-14 June 2013, Kos Island, Greece.
10) P. Acar , M. Nikbay and A. R. Aslan, "Reliability Based Spacecraft Design Optimization: Application to a De-Orbiting Mechanism to Improve System Reliability of a CubeSat", NATO STO CSO AVT-210 Specialists Meeting - Risk and Reliability Assessment and Validation for Small Spacecraft, 13-16 May 2013, Karlstad, Sweden.
9) P. Acar and M. Nikbay, "Steady and Unsteady Aeroelastic Computations of HIRENASD Wing for Low and High Reynolds Numbers", 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 8-11, 2013, Boston, MA, USA.
8) E. Mentes, D. C. S. Ozturk, M. Bayar, P. Acar and M. Nikbay, "Reliability Based Design Optimization of Solar Array Structure for a LEO Nano-Satellite Mission", 7th Ankara International Aerospace Conference, 11-13 September 2013, Ankara, Turkey.
7) M. Nikbay and P. Acar , "Robust Aeroelastic Design Optimization of Wing/Store Configurations Based on Flutter Criteria," 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization (MAO) Conference, 17-19 September 2012, Indianapolis, USA.
6) M. Nikbay, P. Acar , and A. R. Aslan, "Reliability Based Design Optimization of a CubeSat De-Orbiting Mechanism," 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization (MAO) Conference , 17-19 September 2012, Indianapolis, USA.
5) M. Nikbay and P. Acar , "Flutter Based Design Optimization of Aircraft Wings with Analytical Approach," 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference , 23-26 April 2012, Honolulu, HI, USA.
4) M. Nikbay, P. Acar , C. Kilic and Z. Zhang, "Steady and Unsteady Aeroelastic Computations of HIRENASD Wing for Low and High Reynolds Numbers," Aeroelastic Prediction Workshop-1 (AePW-1) , 21-22 April 2012, Honolulu, USA.
3) A. R. Aslan and P. Acar , "Development of a De-Orbiting Mechanism for a 3-Unit Satellite," 63rd International Astronautical Congress (IAC), 1-5 October 2012, Naples, Italy.
2) P. Acar, M. Nikbay and A. R. Aslan, "Design Optimization of a 3-Unit Satellite De-Orbiting Mechanism," ESA Small Satellites Systems and Services the 4S Symposium , 4-8 June 2012, Portoroz, Slovenia.
1) M. Nikbay, M. N. Kuru and P. Acar "A CFD Based Multidisciplinary Optimization of Aeroelastic Systems with Coupled Reliability Constraints," ECCOMAS CFD and Optimization Conference , 23-25 May 2011, Antalya, Turkey.
Invited Talks
24) P. Acar, "Computational and Data-Driven Design of Materials under Uncertainty: An Overview for Metals and Mechanical Metamaterials", Virginia Commonwealth University Spring Seminar, 5 April 2024, Richmond, VA.
23) P. Acar, E. Eger, A. Senthilnathan, M. Hasan and M. Elleithy, "Inverse Design for Crystal Plasticity Model Identification via Physics-Informed Neural Networks", 153rd TMS Annual Meeting & Exhibition, 3-7 March 2024, Orlando, FL (Invited Keynote at Frontiers of Materials Award Special Session).
22) P. Acar, S. Liu, E. Eger, M. Elleithy, H. Zhao and M. Long, "Materials Informatics for Computational and Machine Learning (ML)-Assisted Design: An Overview for Polycrystalline Metals and Mechanical Metamaterials", Materials Research Society (MRS) Fall Meeting, 5-7 December 2023, Virtual.
21) P. Acar, "UNDOPhase: UNcertainty-DOminated Phase Transitions in Magnetic Materials", Lockheed Martin, 14 November 2023.
20) P. Acar, "Computational and Data-Driven Design of Materials under Uncertainty: Applications to Metallic Microstructures and Beyond", The US Association for Computational Mechanics (USACM) Uncertainty Quantification (UQ) Seminar, 19 October 2023.
19) P. Acar, "Data-Driven Process Design for RR1000 Nickel Alloy with Experimental Validation", Virginia Tech/Roll-Royce University Technology Center (VT/R-R UTC) Annual Review Meeting, Virginia Tech, 30 August 2023.
18) P. Acar, "Materials Informatics for Computational and Data-Driven Design: An Overview for Metals and Metamaterials", Sabanci University ME Seminar, Sabanci University, 9 August 2023, Istanbul, Turkey.
17) P. Acar, "Data-Driven Design of Systems under Uncertainty", Algorithms & Machine Learning Seminar Series, Walgreens, 3 February 2023.
16) P. Acar, "Materials Informatics for Computational and Data-Driven Design: An Overview for Metals and Metamaterials", AeroMDO Lab Fall Seminar Series, Istanbul Technical University, 10 January 2023, Istanbul, Turkey.
15) P. Acar, A. Senthilnathan, S. Liu, M. Hasan, K. McMillan and H. Zhao, "Computational and Data-Driven Design of Materials under Uncertainty", Engineering Science Medal Symposium, Society of Engineering Science (SES) Annual Meeting, 16-19 October 2022, College Station, TX.
14) P. Acar, S. Liu, M. Hasan, A. Senthilnathan and H. Zhao, "AI/ML-Driven Multi-Scale Modeling and Design of Structural Materials", Materials Processing and Fundamental Understanding Based on Machine Learning and Data Informatics — AI-guided Microstructure Study Symposium, Materials Science and Technology (MS&T) Technical Meeting and Exhibition, 10 October 2022, Pittsburgh, PA.
13) P. Acar, "Data-Driven Process Design for RR1000 Nickel Alloy with Experimental Validation", Virginia Tech/Roll-Royce University Technology Center (VT/R-R UTC) Annual Review Meeting, Virginia Tech, 17 November 2021.
12) P. Acar, "Computational and Data-Driven Design of Materials: An Overview", Aerospace Engineering Department Seminar, University of Tennessee, 29 September 2021.
11) P. Acar, "Uncertainty Quantification in Computational Science and Engineering", Annual Machine Learning Algorithms for Geomagnetically Induced Currents in Alaska and New Hampshire (MAGICIAN) Meeting, University of Alaska Fairbanks, 27 May 2021.
10) P. Acar, "Computational and Data-Driven Multi-Scale Design of Materials under Uncertainty", Fall Seminar Series, Department of Mechanical Engineering, Virginia Tech, 26 October 2020.
9) P. Acar, "Multi-Scale Computational Design and Optimization of Aerospace Materials under Uncertainty", Structural Optimization Committee of Excellence, The Boeing Company, 13 May 2020.
8) P. Acar, "Multi-Scale Computational Design of Materials under Uncertainty", Department of Biomedical Engineering and Mechanics, Virginia Tech, 18 September 2019, Blacksburg, VA, USA.
7) P. Acar, "Multi-Scale Computational Design of Materials under Uncertainty: Current and Future Challenges", National Institute of Standards and Technology (NIST), 12 August 2019, Gaithersburg, MD, USA.
6) P. Acar, "Multi-Scale Computational Design of Materials: Current and Future Challenges", Texas A&M University, 26 July 2019, College Station, TX, USA.
5) P. Acar, "Multi-Scale Computational Design of Materials: Current Challenges and Future Opportunities", Carnegie Mellon University, 15 November 2018, Pittsburgh, PA, USA.
4) P. Acar, "Multi-Scale Materials Design: Challenges and Future Vision", Istanbul Technical University, 21 June 2018, Istanbul, Turkey.
3) P. Acar, "Multi-Scale Materials Design: Recent Challenges and Future Vision", Koc University, 26 April 2017, Istanbul, Turkey.
2) P. Acar, "Multi-Scale Materials Design: Recent Challenges and Future Vision", Virginia Polytechnic Institute and State University, 11 April 2017, Blacksburg, VA, USA.
1) P. Acar, "Multi-Scale Design of Microstructures", Zonta International District 15 Governor's Summit, 22 October 2016, Roscommon, MI, USA.