Morphing Aerospace Structures
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Bishay, P. L.; Rini, A.; Brambila, M.; Niednagel, P.; Eghdamzamiri, J.; Yousefi, H.; Herrera, J.; Saad, Y.; Bertuch, E.; Black, C.; Hanna, D.; Rodriguez, I.; Arias-Rodas, A. (2024): CGull: a non-flapping bioinspired composite morphing drone. Biomimetics, Vol. 9, No. 527. DOI: 10.3390/biomimetics9090527.
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Brambila, M.; Rini, R.; Eghdamzamiri, J.; Yousefi, H.; Herrera, J.; Hanna, D.; Black, C.; Saad, Y.; Arias-Rodas, A.; Bishay, P. L. (2024): Design of a non-flapping seagull-inspired composite morphing drone. AIAA Regional Student Conference, Santa Clara University, Mar. 22-23, 2024.
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Bishay, P. L.; McKinney, T.; Kline, G.; Manzo, M.; Parian, A.; Bakhshi, D.; Langwald, A.; Ortega, A.; Gagnon, M., Alfaro, G.F. (2024): SCAMORSA-1: a camber-morphing wind turbine blade with sliding composite skin. Journal of Engineering Research, DOI: 10.1016/j.jer.2024.04.006.
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Bishay, P. L.; Brody, M.; Podell, D.; Corte Garcia, F.; Munoz, E.; Minassian, E.; Bradley, K. (2023): 3D-Printed Bio-Inspired Mechanisms for Bird-like Morphing Drones Applied Sciences, Vol. 13(21), 11814, DOI: 10.3390/app132111814.
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Brody, M.; Podell, D.; Corte Garcia, F.; Munoz, E.; Massey, S.; Minassian, E.; Gharibi, N.; Lyon, D.; Sanchez, B.; Bishay, P. L. (2023): MataGull: A lightweight bio-inspired non-flapping bird-like morphing drone. AIAA Regional Student Conference, UC Davis, Mar. 25-16, 2023. DOI: 10.2514/6.2023-72218.
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Bishay, P. L.; McKinney, T.; Kline, G.; Manzo, M.; Parian, A.; Bakhshi, D.; Langwald, A.; Ortega, A.; Gagnon, M., Alfaro, G.F. (2024): SCAMORSA-1: a camber-morphing wind turbine blade with sliding composite skin. To appear in Journal of Engineering Research..
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Bishay, P. L.; Kok, J. S.; Ferrusquilla, L. J.; Espinoza, B. M.; Heness, A.; Buendia, A.; Zadoorian, S.; Lacson, P.; Ortiz, J. D.; Basilio B.; Olvera D. (2022): Design and Analysis of MataMorph-3: A Fully Morphing UAV with Camber-Morphing Wings and Tail Stabilizers Aerospace, Vol. 9(7), 382, DOI: 10.3390/aerospace9070382.
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Bishay, P. L.; Aguilar, C. (2021): Parametric Study of a Composite Skin for a Twist-Morphing Wing. Aerospace, vol. 8(9), article 259. DOI:
10.3390/aerospace8090259. -
Schlup A. E.; MacLennan T. L.; Barajas C.; Talebian B. L.; Thatcher G. C.; Flores R. B.; Perez-Norwood J. D.; Torres C. L.; Kibret K. B.; Guzman E. E.; Bishay, P. L. (2021): MataMorph 2: A new experimental UAV with twist-morphing wings and camber-morphing tail stabilizers. AIAA SciTech Forum, 19-21 January 2021. DOI: 10.2514/6.2021-0584
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Bishay, P. L.; Finden, R.; Recinos, S.; Alas, C.; Lopez, E.; Aslanpour, D.; Flores, D.; Gonzalez, E. (2019): Development of an SMA-based camber morphing UAV tail core design. Smart Materials and Structures, doi:10.1088/1361-665X/ab1143.
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Bishay, P. L.; Burg, E.; Akinwunmi, A.; Phan, R.; Sepulveda, K. (2019): Development of a new span-morphing wing core design. designs, vol. 3, no. 1, art. 12.
Prosthetic Arm Designs and Control
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Bishay, P. L.; Wilgus, J.; Chen, R.; Valenzuela, D.; Medina, V.; Tan, C.; Ittner, T.; Caldera, M.; Rubalcava, C.; Safarian, S.; Alfaro, G.F.; Gonzalez-Martinez, A.; Gosparini, M.; Fuentes-Perez, J.; Lima, A.; Villalobos, J.; Solis A. (2023): Controlling a Below-the-Elbow Prosthetic Arm Using the Infinity Foot Controller Prosthesis, Vol. 5(4), 1206-1231, DOI: 10.3390/prosthesis5040084.
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Bishay, P. L.; Aguilar, C.; Amirbekyan, A.; Vartanian, K.; Arjon-Ramirez, M.; Pucio, D. (2021): Design of a lightweight shape memory alloy stroke-amplification and locking system in a transradial prosthetic arm. 2021 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS) proceedings, SMASIS2021-68248, V001T05A015, DOI: 10.1115/SMASIS2021-68248.
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Bishay, P. L., Fontana J.; Raquipiso, B.; Rodriguez, J.; Borreta, M. J.; Enos, B.; Gay T.; Mauricio K. (2020): Development of a biomimetic transradial prosthetic arm with shape memory alloy muscle wires. Engineering Research Express, vol. 2, no. 3, article: 035041 (15 pages) DOI: 10.1088/2631-8695/abb710.
Novel Numerical Methods
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Bishay, P. L.; Sladek, J.; Fabry, N.; Sladek V.; Zhang, C. (2019): Perturbation finite element solution for chemo-elastic boundary value problems under chemical equilibrium. Acta Mechanica Sinica, vol.35, pp. 981–991.
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Sladek J.; Bishay, P. L.; Repka, M.; Pan, E.; Sladek, V. (2018): Analysis of quantum-dot systems under thermal loads based on gradient elasticity. Smart Materials and Structures, vol. 27, no. 9.
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Tawfik, M. E.; Bishay, P. L.; Sadek, E. A. (2018): Neural Network-Based Second Order Reliability Method (NNBSORM) for Laminated Composite Plates in Free Vibration. CMES: Computer Modeling in Engineering & Sciences, vol. 115, no. 1, pp. 105-129.
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Sofi, A.; Bishay, P. L.; Atluri, S. N. (2017): Explicit tangent stiffness matrix for the geometrically nonlinear analysis of laminated composite frame structures. Composite Structures, vol. 187, pp. 566-578.
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Bishay, P. L.; Sladek, J.; Sladek, V.; X. W. Gao (2016): Analysis of Elastic Media with Voids Using a Mixed-Collocation Finite-Element Method. Journal of Engineering Mechanics, ASCE, 10.1061/(ASCE)EM.1943-7889.0001193, 04016119.
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Sladek, J.; Sladek, V.; Repka, M.; Bishay, P. L. (2016): Static and Dynamic Behavior of Porous Elastic Materials Based on Micro-Dilatation Theory: A Numerical Study Using the MLPG Method. International Journal of Solids and Structures (IJSS), vol. 96, pp. 126-135.
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Bishay, P. L.; Atluri, S. N. (2015): Micromechanical modeling of piezoelectric/piezomagnetic composites using Computational Piezo-Grains (CPGs). Materials Today: Proceedings 3 (2016) pp. 167-172. (Advances in Functional Materials Conference, Stony Brooks University, NY, USA, June 29 - July 3, 2015)
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Bishay, P. L.; Atluri, S. N. (2015): Computational Piezo-Grains (CPGs) for a highly-efficient micromechanical modeling of heterogeneous piezoelectric-piezomagnetic composites. European Journal of Mechanics A/Solids, vol. 53, pp. 311-328.
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Bishay, P. L.; Atluri, S. N. (2014): Trefftz-Lekhnitskii Grains (TLGs) for Efficient Direct Numerical Simulation (DNS) of the micro/meso mechanics of porous piezoelectric materials. Computational Materials Science, vol. 83, pp. 235–249.
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Bishay, P. L.; Alotaibi, A.; Atluri, S. N. (2014): Multi-Region Trefftz Collocation Grains (MTCGs) for modeling piezoelectric composites and porous materials in direct and inverse problems. Journal of Mechanics of Materials & Structures, vol. 9, no. 3, pp. 287-312.
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Bishay, P. L.; Dong, L.; Atluri, S. N. (2014): Multi-Physics Computational Grains (MPCGs) for Direct Numerical Simulation (DNS) of piezoelectric composite/porous materials and structures. Computational Mechanics, vol. 54, issue 5, pp. 1129-1139.
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Bishay, P. L.; Atluri, S. N. (2013): 2D and 3D multiphysics Voronoi cells based on radial basis functions, for Direct Mesoscale Numerical Simulation (DMNS) of the switching phenomena in ferroelectric polycrystalline materials. CMC: Computers, Materials & Continua, vol. 33, no. 1, pp. 19-62.
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Bishay, P. L.; Sladek, J.; Sladek V.; Atluri, S. N. (2012): Analysis of functionally graded magneto-electro-elastic composites using hybrid/mixed finite elements and node-wise material properties. CMC: Computers, Materials & Continua, vol. 29, no.3, pp. 213-262.
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Bishay, P. L.; Atluri, S. N. (2012): High-performance 3D hybrid/mixed, and simple 3D Voronoi cell finite elements, for macro- & micro-mechanical modeling of solids, without using multi-field variational principles. CMES: Computer Modeling in Engineering & Sciences, vol.84, no.1, pp.41-97.
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Bishay, P. L.: “Agile2D” (Finite Element Alternating Method (FEAM) for crack analysis and propagation). Center for Aerospace Research and Education (CARE), University of California, Irvine, 2012.,
Laminated Fiber-Reinforced Composite Structures
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Sanchez, D.; Bishay, P. L.; Pishvar, M. (2024): Innovations in Composite Laminates: Experimental Exploration of SMA Wire Integration. North America Society for the Advancement of Material and Process Engineering (SAMPE) Conference (SAMPE 2024), Long Beach, CA, May 20-23, 2024.
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Martinez, J. R., Bishay, P. L., Tawfik, M. E., Sadek, E. A. (2022): Reliability analysis of smart laminated composite plates under static loads using artificial neural networks Heliyon, Vol. 8(12), e11889, DOI: 10.1016/j.heliyon.2022.e11889.
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Theodore, A. J.; Bishay, P. L. (2022): Experimental analysis of fiber-reinforced laminated composite plates with embedded SMA wire actuators. Composite Structures, Vol. 292, Art. 115678, DOI: 10.1016/j.compstruct.2022.115678.
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Bishay, P. L.; Amirbekyan, A. (2021): Design of periodic laminated composite beams in free vibration. Structures, vol. 34, pp. 2030-2040, DOI: 10.1016/j.istruc.2021.08.071.
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Bishay, P. L.; Rodriguez, J. (2021): Analysis of periodic laminated fiber-reinforced composite beams in free vibration. Journal of Vibration and Control, DOI: 10.1177/10775463211028683.
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Martinez, J. R. and Bishay, P. L. (2020): On the stochastic first-ply failure analysis of laminated composite plates under in-plane tensile loading. Composites Part C: Open Access, vol. 4, article: 100102 (15 pages) DOI: 10.1016/j.jcomc.2020.100102.
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Tawfik, M. E.; Bishay, P. L.; Sadek, E. A. (2018): Neural Network-Based Second Order Reliability Method (NNBSORM) for Laminated Composite Plates in Free Vibration. CMES: Computer Modeling in Engineering & Sciences, vol. 115, no. 1, pp. 105-129.
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Bishay, P. L.; Sofi, A. (2018): Sensitivity analysis of a smart soft composite robotic finger design using geometrically nonlinear laminated composite finite beam elements. Materials Today Communications, vol. 16, pp. 111-118.
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Sofi, A.; Bishay, P. L.; Atluri, S. N. (2017): Explicit tangent stiffness matrix for the geometrically nonlinear analysis of laminated composite frame structures. Composite Structures, vol. 187, pp. 566-578.
Vibration Attenuation / Periodic Structures
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Bishay, P. L.; Amirbekyan, A. (2021): Design of periodic laminated composite beams in free vibration. Structures, vol. 34, pp. 2030-2040, DOI: 10.1016/j.istruc.2021.08.071.
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Bishay, P. L.; Rodriguez, J. (2021): Analysis of periodic laminated fiber-reinforced composite beams in free vibration. Journal of Vibration and Control, DOI: 10.1177/10775463211028683.
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Syed, M.; Bishay, P. L. (2018): Analysis and Design of Periodic Beams for Vibration Attenuation. Journal of Vibration and Control, vol. 25, no. 1, pp. 228-240.
Modeling and Simulation
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Bishay, P. L.; Sladek, J.; Fabry, N.; Sladek V.; Zhang, C. (2019): Perturbation finite element solution for chemo-elastic boundary value problems under chemical equilibrium. Acta Mechanica Sinica, vol.35, pp. 981–991.
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Sladek, J.; Novak, P.; Bishay, P. L.; Sladek, V. (2018): Effective properties of cement-based porous piezoelectric ceramic composites. Construction and Building Materials, vol. 190, pp. 1208-1214.
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Sladek J.; Novak, P.; Bishay, P. L.; Sladek, V. (2018): Numerical analyses of cement-based piezoelectric smart composites. 9th International Conference on Computational Methods (ICCM), Rome, Italy, Aug. 6-10, 2018.
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Sladek J.; Bishay, P. L.; Repka, M.; Pan, E.; Sladek, V. (2018): Analysis of quantum-dot systems under thermal loads based on gradient elasticity. Smart Materials and Structures, vol. 27, no. 9.
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Bishay, P. L.; Sofi, A. (2018): Sensitivity analysis of a smart soft composite robotic finger design using geometrically nonlinear laminated composite finite beam elements. Materials Today Communications, vol. 16, pp. 111-118.
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Bishay, P. L.; Sladek, J.; Pan, E.; Sladek, V. (2018): Analysis of functionally graded quantum-dot systems with graded lattice mismatch strain. Journal of Computational and Theoretical Nanoscience, vol. 15, pp. 542-550
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Bishay, P. L.; Sampat, B.; Sladek J.; Pan, E.; Sladek, V. (2017): Effect of Lattice Mismatch Strain Grading on the Electromechanical Behavior of Functionally Graded Quantum Dots. Key Engineering Materials, vol. 759, pp. 71-75. (International Conference on Advanced Functional Materials (ICAFM), Los Angeles, CA, USA, Aug. 4-6, 2017)
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Sladek, J.; Sladek, V.; Repka, M.; Kasala, J.; Bishay, P. L. (2017): Evaluation of effective material properties in magneto-electro-elastic composite materials. Composite Structures, vol. 174, pp. 176-186.
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Bishay, P. L.; Repka, M.; Sladek, J.; Sladek, V. (2016): On the characterization of porosity-related parameters in micro-dilatation theory. Acta Mechanica, DOI 10.1007/s00707-016-1789-9.
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Sladek, J.; Sladek, V.; Bishay, P. L.; Garcia Sanchez, F. (2015): Influence of electric conductivity on intensity factors for cracks in functionally graded piezoelectric semiconductors. International Journal of Solids and Structures (IJSS), vol. 59, pp. 79-89.
Smart Structures: Shape Memory Alloys
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Sanchez, D.; Bishay, P. L.; Pishvar, M. (2024): Innovations in Composite Laminates: Experimental Exploration of SMA Wire Integration. North America Society for the Advancement of Material and Process Engineering (SAMPE) Conference (SAMPE 2024), Long Beach, CA, May 20-23, 2024.
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Theodore, A. J.; Bishay, P. L. (2022): Experimental analysis of fiber-reinforced laminated composite plates with embedded SMA wire actuators. Composite Structures, Vol. 292, Art. 115678, DOI: 10.1016/j.compstruct.2022.115678.
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Bishay, P. L.; Aguilar, C.; Amirbekyan, A.; Vartanian, K.; Arjon-Ramirez, M.; Pucio, D. (2021): Design of a lightweight shape memory alloy stroke-amplification and locking system in a transradial prosthetic arm. 2021 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS) proceedings, SMASIS2021-68248, V001T05A015, DOI: 10.1115/SMASIS2021-68248.
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Bishay, P. L., Jonathan Fontana, Bret Raquipiso, Julian Rodriguez, M Justin Borreta, Bethany Enos, Thomas Gay and Kevin Mauricio (2020): Development of a biomimetic transradial prosthetic arm with shape memory alloy muscle wires. Engineering Research Express, vol. 2, no. 3, article: 035041 (15 pages) DOI: 10.1088/2631-8695/abb710.
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Bishay, P. L.; Finden, R.; Recinos, S.; Alas, C.; Lopez, E.; Aslanpour, D.; Flores, D.; Gonzalez, E. (2019): Development of an SMA-based camber morphing UAV tail core design. Smart Materials and Structures, doi:10.1088/1361-665X/ab1143.
Smart Materials: Piezoelectric and Piezomagnetic Materials and Composites
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Martinez, J. R., Bishay, P. L., Tawfik, M. E., Sadek, E. A. (2022): Reliability analysis of smart laminated composite plates under static loads using artificial neural networks Heliyon, Vol. 8(12), e11889, DOI: 10.1016/j.heliyon.2022.e11889.
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Berik, P.; Bishay, P. L. (2021): Parameter identification of the nonlinear piezoelectric shear d15 coefficient of a smart composite actuator. actuators, vol. 10, no. 7, article 168. DOI: 10.3390/act10070168.
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Bishay, P. L.; Atluri, S. N. (2015): Micromechanical modeling of piezoelectric/piezomagnetic composites using Computational Piezo-Grains (CPGs). Materials Today: Proceedings 3 (2016) pp. 167-172. (Advances in Functional Materials Conference, Stony Brooks University, NY, USA, June 29 - July 3, 2015)
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Bishay, P. L.; Atluri, S. N. (2015): Computational Piezo-Grains (CPGs) for a highly-efficient micromechanical modeling of heterogeneous piezoelectric-piezomagnetic composites. European Journal of Mechanics A/Solids, vol. 53, pp. 311-328.
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Bishay, P. L.; Atluri, S. N. (2014): Trefftz-Lekhnitskii Grains (TLGs) for Efficient Direct Numerical Simulation (DNS) of the micro/meso mechanics of porous piezoelectric materials. Computational Materials Science, vol. 83, pp. 235–249.
-
Bishay, P. L.; Alotaibi, A.; Atluri, S. N. (2014): Multi-Region Trefftz Collocation Grains (MTCGs) for modeling piezoelectric composites and porous materials in direct and inverse problems. Journal of Mechanics of Materials & Structures, vol. 9, no. 3, pp. 287-312.
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Bishay, P. L.; Dong, L.; Atluri, S. N. (2014): Multi-Physics Computational Grains (MPCGs) for Direct Numerical Simulation (DNS) of piezoelectric composite/porous materials and structures. Computational Mechanics, vol. 54, issue 5, pp. 1129-1139.
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Bishay, P. L.; Sladek, J.; Sladek V.; Atluri, S. N. (2012): Analysis of functionally graded magneto-electro-elastic composites using hybrid/mixed finite elements and node-wise material properties. CMC: Computers, Materials & Continua, vol. 29, no.3, pp. 213-262.
Smart Materials: Ferroelectric Materials
Smart Structures: Magnetorheological Fluids
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Bishay, P. L.; Tawfik, M.; Negm, H. M. (2010): Analysis of an adaptive magnetorheological sandwich beam structure based on experimental and finite element models. Proceedings of the ICSV-17 conference, 18-22 July 2010, Cairo, Egypt.
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Bishay, P. L.; Tawfik, M.; Negm, H. M. (2010): Finite element and spectral element models for an adaptive magnetorheological sandwich beam. Proceedings of the AMME-14 conference, 25-27 May 2010, Military Technical College, Egypt.
Micro-Dilatation Theory for Modeling Porous Materials
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Bishay, P. L.; Repka, M.; Sladek, J.; Sladek, V. (2016): On the characterization of porosity-related parameters in micro-dilatation theory. Acta Mechanica, DOI 10.1007/s00707-016-1789-9.
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Bishay, P. L.; Sladek, J.; Sladek, V.; X. W. Gao (2016): Analysis of Elastic Media with Voids Using a Mixed-Collocation Finite-Element Method. Journal of Engineering Mechanics, ASCE, 10.1061/(ASCE)EM.1943-7889.0001193, 04016119.
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Sladek, J.; Sladek, V.; Repka, M.; Bishay, P. L. (2016): Static and Dynamic Behavior of Porous Elastic Materials Based on Micro-Dilatation Theory: A Numerical Study Using the MLPG Method. International Journal of Solids and Structures (IJSS), vol. 96, pp. 126-135.
Modeling Quantum-Dot (QD) Systems
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Sladek J.; Bishay, P. L.; Repka, M.; Pan, E.; Sladek, V. (2018): Analysis of quantum-dot systems under thermal loads based on gradient elasticity. Smart Materials and Structures, vol. 27, no. 9.
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Bishay, P. L.; Sladek, J.; Pan, E.; Sladek, V. (2018): Analysis of functionally graded quantum-dot systems with graded lattice mismatch strain. Journal of Computational and Theoretical Nanoscience, vol. 15, pp. 542-550
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Bishay, P. L.; Sampat, B.; Sladek J.; Pan, E.; Sladek, V. (2017): Effect of Lattice Mismatch Strain Grading on the Electromechanical Behavior of Functionally Graded Quantum Dots. Key Engineering Materials, vol. 759, pp. 71-75. (International Conference on Advanced Functional Materials (ICAFM), Los Angeles, CA, USA, Aug. 4-6, 2017)
Biomechanics: Retinal Detachment
Experimental Characterization
Engineering Education
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Bishay, P. L. (2022): Teaching design of composite structures through Composite Analysis and Design Apps (CADA) and Design Challenges.. Computer Applications in Engineering Education, DOI: 10.1002/cae.22501.
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Bishay, P. L. (2020): Teaching the finite element method fundamentals to undergraduate students through truss builder and truss analyzer computational tools and student-generated assignments mini-projects. Computer Applications in Engineering Education, DOI: 10.1002/cae.22281.
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Bishay, P. L. (2018): Introducing Undergraduate Research in Numerical Analysis of Engineering Systems Course. International Journal of Mechanical Engineering Education, vol. 46, no. 4, pp. 345-361.
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Gandhi, S. J.; Youssef, G.; Nandikolla, V. K.; Bishay, P. L. (2016): Using Career Pathways to assimilate high school students into the Engineering profession. ASEE's 123rd Annual Conference & Exposition, New Orleans, LA, June 26-29, 2016.
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Bishay, P. L. (2016): “FEApps”: Boosting students’ enthusiasm for coding and App designing, with a deeper learning experience in engineering fundamentals. Computer Applications in Engineering Education, vol. 24, no. 3, pp. 456-463.