AM Publications

Recent Publications

  1. Paudel, D. Conover, J. K. Lee, and A. C. To, “A computational framework for modeling distortion during sintering of binder jet printed parts,” Journal of Micromechanics and Molecular Physics, accepted.
  2. Deng, P. Vulimiri, and A. C. To, “CAD-Integrated topology optimization method with dynamic extrusion feature evolution for multi-axis machining,” Computer Methods in Applied Mechanics and Engineering, accepted.
  3. Takezawa, Q. Chen, and A. C. To, “Optimally variable density lattice to reduce warping thermal distortion of laser powder bed fusion,” Additive Manufacturing, accepted.
  4. Dong, X. Liang, Q. Chen, S. Hinnebusch, Z. Zhou, and A. C. To, “A new procedure for implementing the modified inherent strain model for improving prediction accuracy of both residual stress and deformation in laser powder bed fusion parts,” Additive Manufacturing, accepted.
  5. Bayat, J. Thorborg, W. Dong, A. C. To, and J. Hattel, “A review of multi-scale and multi-physics simulations of metal additive manufacturing processes with focus on modelling strategies,” Additive Manufacturing, accepted.
  6. S. Vulimiri, H. Deng, F. Dugast, X. Zhang, and A. C. To, “Integrating geometric data into topology optimization via neural style transfer,” MDPI Materials, Special Issue: The Science and Technology of 3D Printing, accepted. [invited paper]
  7. Deng, P. S. Vulimiri, and A. C. To, “An efficient 146-line 3D sensitivity analysis code of stress-based topology optimization written in MATLAB,” Optimization and Engineering, accepted.
  8. Chen, H. Taylor, A. Takezawa, X. Liang, X. Jimenez, R. Wicker, and A. C. To, “Island scanning pattern optimization for residual deformation mitigation in laser powder bed fusion via sequential inherent strain method and sensitivity analysis,” Additive Manufacturing, vol. 46, 102116, 2021.
  9. Deng and A. C. To, “Projection-based implicit modeling method for functionally graded lattice optimization,” JOM, vol. 73, 2012–2021, 2021.
  10. Liang, A. C. To, J. Du, and Y. J. Zhang, “Topology optimization of phononic-like structures using experimental material interpolation model for additive manufactured lattice infills,” Computer Methods in Applied Mechanics and Engineering, vol. 377, 113717, 2021.
  11. Deng and A. C. To, “A parametric level set method for topology optimization based on deep neural network,” Journal of Mechanical Design, vol. 143, 091702, 2021. 
  12. Deng and A. C. To, “A density-based boundary evolving method for buckling-induced design under large deformation,” International Journal for Numerical Methods for Engineering, vol. 122, 1770-1796, 2021.
  13. Liang, D. Hayduke, and A. C. To, “An enhanced layer lumping method for accelerating simulation of metal components produced by laser powder bed fusion,” Additive Manufacturing, vol. 39, 101881, 2021. 
  14. Deng and A. C. To, “Reverse shape compensation via a gradient-based moving particle optimization method,” Computer Methods in Applied Mechanics and Engineering, vol. 377, 113658, 2021. 
  15. X. Dugast, P. Apostolou, A. Fernandez, W. Dong, Q. Chen, S. Strayer, R. Wicker, and A. C. To, “Part-scale thermal process modeling for laser powder bed fusion with matrix-free method and GPU Computing,” Additive Manufacturing, vol. 37, 101732, 2021.
  16. Liang, W. Dong, Q. Chen, and A. C. To, “On incorporating scanning strategy effects into the modified inherent strain modeling framework for laser powder bed fusion,” Additive Manufacturing, vol. 37, 101648, 2021.
  17. Chen, Y. Zhao, S. Strayer, Y. Zhao, K. Aoyagi, Y. Koizumi, A. Chiba, W. Xiong, and A. C. To, “Elucidating the effect of preheating temperature on melt pool morphology variation in Inconel 718 laser powder bed fusion via simulation and experiment,” Additive Manufacturing, vol. 37, 101642, 2021.
  18. J. Liu and A. C. To, "Porous structure design through Blinn transformation-based level set method," Structural and Multidisciplinary Optimization, 2017.  (accepted)
  19. "Determination of Location-Specific Solidification Cracking Susceptibility for a Mixed Dissimilar Alloy Processed by Wire-Arc Additive Manufacturing" Soumya Sridar, Noah Sargent, Xin Wang, Michael A. Klecka, Wei Xiong Metals 12(2) (2022) 284. https://doi.org/10.3390/met12020284
  20. "Phase transformations during continuous cooling in Inconel 718 alloys manufactured by laser powder bed fusion and suction casting" Yunhao Zhao, Liangyan Hao, Qiaofu Zhang, Wei Xiong, Materials Characterization, 185 (2022) 111764, https://doi.org/10.1016/j.matchar.2022.111764
  21. “Interfacial characteristics of P91 steel-Inconel 740H bimetallic structure fabricated using wire-arc additive manufacturing," Soumya Sridar, Michael A Klecka, Wei Xiong, Journal of Materials Processing Technology, 300 (2022) 117396, https://doi.org/10.1016/j.jmatprotec.2021.117396
  22. "Introducing Heusler Intermetallics for Synergic Effect of Grain Refinement and Precipitation Strengthening in High-Strength Low-Alloy Steels," Rafael Rodriguez De Vecchis, Xin Wang, Soumya Sridar, Zhangwei Wang, Garrett J. Pataky, Wei Xiong, Journal of Alloys and Compounds, (2022) 163885,  https://doi.org/10.1016/j.jallcom.2022.163885
  23. "Effect of homogenization on precipitation behavior and strengthening of 17-4PH stainless steel fabricated using laser powder bed fusion," Kun Li, Soumya Sridar, Susheng Tan, Wei Xiong, arXiv:2112.06289. https://arxiv.org/abs/2112.06289
  24. "Interfacial characteristics of P91 steel - Inconel 740H bimetallic structure fabricated using wire-arc additive manufacturing", Soumya Sridar, Michael A. Klecka, Wei Xiong, Journal of Materials Processing Technology, 300 (2022) 117396, https://doi.org/10.1016/j.jmatprotec.2021.117396
  25. "Impact of homogenization on microstructure-property relationships of Inconel 718 alloy prepared by laser powder bed fusion", Yunhao Zhao, Fan Meng, Chuan Liu, Susheng Tan, Wei Xiong, Materials Science and Engineering: A, 826 (2021) 141973, https://doi.org/10.1016/j.msea.2021.141973
  26. Hoffman, S. Hinnebusch, S. Raiker, A. C. To, O. J. Hildreth, “Support Thickness, Pitch, and Applied Bias Effects on the Carbide Formation, Surface Roughness, and Material Removal of Additively Manufactured 316L Stainless Steel,” JOM, in press. [invited paper]
  27. Liang, W. Dong, Q. Chen, and A. C. To, “On incorporating scanning strategy effects into the modified inherent strain modeling framework for laser powder bed fusion,” Additive Manufacturing, in press.
  28. Chen, Y. Zhao, S. Strayer, Y. Zhao, K. Aoyagi, Y. Koizumi, A. Chiba, W. Xiong, and A. C. To, “Elucidating the effect of preheating temperature on melt pool morphology variation in Inconel 718 laser powder bed fusion via simulation and experiment,” Additive Manufacturing, in press.
  29. Jimenez, W. Dong, S. Paul, M. A. Klecka, and A. C. To, “Residual stress modeling with phase transformation for wire arc additive manufacturing of B91 steel,” JOM, in press. [invited paper]
  30. S. Johnson, P. S. Vulimiri, C. A. Brice, X. Zhang, A. C. To, B. B. Kappes, A. P. Stebner, ”Machine learning for materials developments in metals additive manufacturing,” Additive Manufacturing, in press.
  31. Zou, X. Liang, Q. Chen, M. Wang, M. A. S. Zaghloul, H. Lan, M. P. Buric, P. R. Ohodnicki, B. Chorpening, A. C. To, and K. P. Chen, “A digital twin approach to study additive manufacturing processing using embedded optical fiber sensors and numerical modeling,” Journal of Lightwave Technology, in press.
  32. Paul, J. Liu, Y. Zhao, S. Sridar, M. A. Klecka, W. Xiong, and A. C. To, “A discrete dendrite dynamics model for epitaxial columnar grain growth in metal additive manufacturing with application to Inconel,” Additive Manufacturing, vol. 36, 101611, 2020.
  33. Tran, X. Liang, and A. C. To, “Efficient prediction of cracking at solid-lattice support interface during laser powder bed fusion via global-local J-integral analysis based on modified inherent strain method and lattice support homogenization,” Additive Manufacturing, vol. 36, 101590, 2020.
  34. Takezawa, A. C. To, Q. Chen, X. Liang, X. Zhang, and M. Kitamura, “Sensitivity analysis and lattice density optimization for sequential inherent strain method used in additive manufacturing process,” Computer Methods in Applied Mechanics and Engineering, vol. 370, 113231, 2020.
  35. Deng and A. C. To, “Topology optimization based on deep representation learning (DRL) for compliance and stress-constrained design,” Computational Mechanics, vol. 66, 449-469, 2020.
  36. Baykasoglu, O. Akyildiz, M. Tunay, and A. C. To, “A process-microstructure model for directed energy deposition additive manufactured Ti-6Al-4V: finite element implementation and experimental validation,” Additive Manufacturing, vol. 35, 151052, 2020.
  37. Deng, S. Hinnebusch, and A. C. To, “Topology optimization design of stretchable metamaterial with Bezier-based explicit density representation algorithm,” Computer Methods in Applied Mechanics and Engineering, vol. 366, 113093, 2020.
  38. Deng and A. C. To, “Linear and non-linear topology optimization design with projection-based ground structure method (P-GSM),” International Journal for Numerical Methods in Engineering, vol. 121, 2437-2461, 2020.
  39. Liang, W. Dong, S. Hinnebusch, Q. Chen, J. Lemon, L. Cheng, Z. Zhou, D. Hayduke, and A. C. To, “Inherent strain homogenization for fast residual deformation simulation of thin-walled lattice support structures built by laser powder bed fusion additive manufacturing,” Additive Manufacturing, vol. 32, 101091, 2020.
  40. Tran, Q. Chen, J. Mohan, and A. C. To, “A new method for predicting cracking at the interface between solid and lattice support during laser powder bed fusion additive manufacturing,” Additive Manufacturing, vol. 32, 101050, 2020.
  41. Chen, J. Liu, X. Liang, and A. C. To, “A level-set based continuous scanning path optimization method for reducing residual stress and deformation in metal additive manufacturing,” Computer Methods in Applied Mechanics and Engineering, vol. 360, 112719, 2020.
  42. Liu and A. C. To, “Computer-Aided Design-based topology optimization system with dynamic feature shape and modeling history evolution,” Journal of Mechanical Design, vol. 142, 071104, 2020.
  43. Effect of solution treatment on micropore and mechanical properties of DD6 superalloy", Maodong Kang, Jun Wang, Wei Xiong, Soumya Sridar, Junwei Yu, Materials Science and Technology, (2020) in press, https://doi.org/10.1080/02670836.2020.1852679
  44. "Wire-arc additive manufacturing and post-heat treatment optimization on microstructure and mechanical properties of Grade 91 steel", Kun Li, Michael A. Klecka, Shuying Chen, Wei Xiong, Additive Manufacturing (2020) https://doi.org/10.1016/j.addma.2020.101734
  45. "Uncertainty Quantification and Composition Optimization for Alloy Additive Manufacturing Through A CALPHAD-based ICME Framework", Xin Wang, Wei Xiong, npj Computational Materials, nature publishing group, (2020) in press.
  46. "Stacking fault energy prediction for austenitic steels: thermodynamic modeling vs. machine learning", Xin Wang, Wei Xiong, Science and Technology of Advanced Materials​, 21:1 (2020) 626-634.https://www.doi.org/10.1080/14686996.2020.1808433
  47. "Thermodynamic investigation of new high-strength low-alloy steels with Heusler phase strengthening for welding and additive manufacturing", Xin Wang, Soumya Sridar, Wei Xiong, Journal of Phase Equilibria and Diffusion, in press, https://doi.org/10.1007/s11669-020-00828-y
  48. "A new high-throughput method using additive manufacturing for alloy design and heat treatment optimization", Yunhao Zhao, Noah Sargent, Kun Li, Wei Xiong, Materialia, 13 (2020) 100835 https://doi.org/10.1016/j.mtla.2020.100835
  49. "Enhanced Resistance to Irradiation Induced Ferritic Transformation in Nanostructured Austenitic Steels",  Andrew Hoffman, Maalavan Arivu, Haiming Wen, Li He, Kumar Sridharan, Xin Wang, Wei Xiong, Xiang Liu, Lingfeng He, Yaqiao Wu, Materialia, https://doi.org/10.1016/j.mtla.2020.100806
  50. "A Comparative Analysis of Inconel 718 Made by Additive Manufacturing and Suction Casting: Microstructure Evolution in Homogenization" Yunhao Zhao, Kun Li, Matthew Gargani, Wei Xiong, Additive Manufacturing, 36 (2020) 101404 https://doi.org/10.1016/j.addma.2020.101404"Cyclic re-austenitization of copper-bearing high-strength low-alloy steels fabricated by laser powder bed fusion" Soumya Sridar, Yunhao Zhao, Wei Xiong, Materials Characterization, 166 (2020) 110437. https://doi.org/10.1016/j.matchar.2020.110437
  51. "Post-Heat Treatment Design for High-Strength Low-Alloy Steels Processed by Laser Powder Bed Fusion" Soumya Sridar, Yunhao Zhao, Kun Li, Xin Wang, Wei Xiong, Materials Science and Engineering A, 788 (2020) 139531. https://doi.org/10.1016/j.msea.2020.139531
  52. "A new thermodynamic modeling of the Ti–V system including the metastable ω phase", Biao Hu, Soumya Sridar, Liangyan Hao, Wei Xiong, Intermetallics, 122 (2020) 106791. http://doi.org/10.1016/j.intermet.2020.106791
  53. "An evaluation of the Mn–Ga system: Phase diagram, crystal structure, magnetism, and thermodynamic properties" Liangyan Hao, Wei Xiong, CALPHAD, 68 (2020) 101722. https://doi.org/10.1016/j.calphad.2019.101722​
  54. Cheng and A. C. To, “Part-scale build orientation optimization for minimizing residual stress and support volume for metal additive manufacturing: theory and experimental validation,” Computer-Aided Design, accepted.
  55. Liu, Q. Chen, X. Liang, and A. C. To, “Manufacturing cost constrained topology optimization for additive manufacturing,” Frontiers of Mechanical Engineering, accepted. [invited paper]
  56. Hao, L. Cheng, and A. C. To, “Distortion energy-based topology optimization design of hyperelastic materials,” Structural and Multidisciplinary Optimization, in press.
  57. Cheng, X. Liang, J. Bai, Q. Chen, J. Lemon, and A. C. To, “On utilizing topology optimization to design support structure to prevent stress induced build failure in laser powder bed fusion,” Additive Manufacturing, vol. 27, 290-304, 2019.
  58. Liu and A. C. To, “CAD-based topology optimization system with dynamic feature shape and modeling history evolution,”  Journal of Mechanical Design, accepted.
  59. Deng, L. Cheng, X. Liang, D. Hayduke, and A. C. To, “Topology optimization for energy dissipation design of lattice structures through snap-through behavior,” Computer Methods in Applied Mechanics and Engineering, vol. 358, 112641.
  60. Liang, Q. Chen, L. Cheng, D. Hayduke, and A. C. To, “Modified inherent strain method for fast prediction of residual deformation in direct metal laser sintered components,” Computational Mechanics, in press.
  61. Chen, X. Liang, D. Hayduke, J. Liu, L. Cheng, J. Oskin, R. Whitmore, and A. C. To, “An inherent strain based multiscale modeling framework for simulating part-scale residual deformation for direct metal laser sintering,” Additive Manufacturing, vol. 28, 406-418, 2019.
  62. Cheng, J. Liu, and A. C. To, “Concurrent lattice infill with feature evolution optimization for additive manufactured heat conduction design,” Structural and Multidisciplinary Optimization, 2018.
  63. Cheng, J. Liu, X. Liang, and A. C. To, “Coupling lattice structure topology optimization with design-dependent feature evolution for additive manufactured heat conduction design,” Computer Methods in Applied Mechanics and Engineering, 332, 408-439, 2018. 
  64. Baykasoglu, O. Akyildiz, D. Candemir, Q. Yang, and A. C. To, “Predicting microstructure evolution during directed energy deposition additive manufacturing of Ti-6Al-4V,” Journal of Manufacturing Science and Engineering, 140, 051003, 2018

Modeling and Topology Optimization for Additive Manufacturing

  1. J. Liu and A. C. To, “Arbitrary void feature control in level set topology optimization,” Computer Methods in Applied Mechanics and Engineering, 324, 595-618, 2017. [link]
  2. J. Liu and A. C. To, “Deposition path planning-assisted structural topology optimization for 3D additive manufacturing subject to self-support constraint,” Computer-Aided Design, 91, 27-45. [link]
  3. J. Liu and A. C. To, "Quantitative texture prediction of epitaxial columnar grains in additive manufacturing using selective laser melting,” Additive Manufacturing, 16, 58-64, 2017. [link]
  4. L. Cheng, P. Zhang, E. Biyikli, J. Bai, J. Robbins, and A. C. To, “Efficient design optimization of variable-density cellular structures for additive manufacturing: Theory and experimental validation,” Rapid Prototyping Journal, 23, 660-677, 2017. [link]
  5. J. Liu, W. Xiong, A. Behera, S. Thompson, and A. C. To, "Mean-field polycrystal plasticity modeling with grain size and shape effects for laser additive manufactured FCC metals," International Journal of Solids and Structures, 112, 35-42, 2017. [link]
  6. P. Zhang, J. Liu and A. C. To, “Role of anisotropic properties on topology optimization of additive manufactured load bearing structures,” Scripta Materialia, 135, 148-152, 2017. (in press)  [link]
  7. J. Liu and A. C. To, "Topology optimization for hybrid additive-subtractive manufacturing," Structural and Multidisciplinary Optimization, 55, 1281-1299, 2017.  [link]
  8. E. L. Stevens, J. Toman, A. C. To, and M. Chmielus, “Variation of hardness, microstructure, and Laves phase distribution in direct laser deposited alloy 718 cuboids,” Journal of Materials and Design, 119, 188-198, 2017.  [link]
  9. Y. Onur Yildiz, H. Zeinalabedini, P. Zhang, M. Kirca, and A. C. To, "Homogenization of additive manufactured polymeric foams with spherical cells," Additive Manufacturing, 12B, 274-281, 2016. [ link]
  10. Q. Yang, P. Zhang, L. Cheng, M. Zheng, M. Chyu, and A. C. To, "Finite element modeling and validation of thermomechanical behavior of Ti-6Al-4V in laser metal deposition additive manufacturing,"  Additive Manufacturing, 12B, 169-177, 2016. [link]
  11. P. Zhang and A. C. To, "Transversely isotropic hyperelastic-viscoplastic model for glassy polymers with application to additive manufactured photopolymers," International Journal of Plasticity, 80, 56-74, 2016. [link]
  12. P. Zhang and A. C. To, “Point group symmetry and deformation induced symmetry breaking of superlattice materials,” Proceedings A of the Royal Society, 471, 0125, 2015. [link].
  13. E. Biyikli and A. C. To, "Proportional Topology Optimization: A new non-sensitivity method for solving stress constrained and minimum compliance problems and its implementation in MATLAB,"PLOS ONE, 10, e0145041, 2015. [link].
  14. P. Zhang, M. Heyne, and, A. C. To, “Biomimetic staggered composites with highly enhanced energy dissipation: modeling, 3D printing, and testing,” Journal of Mechanics and Physics of Solids, 83, 285-300, 2015, 2015. [link].
  15. P. Zhang, J. Toman, Y. Yu, E. Biyikli, M. Kirca, M. Chmielus, and A. C. To, “Efficient design-optimization of variable-density hexagonal cellular structure by additive manufacturing: Theory and validation," ASME Journal of Manufacturing Science and Engineering, 137, 021004, 2015. [link]

Atomistic/Continuum Theory & Modeling

  1. Q. Yang and A. C. To, "Multiresolution molecular mechanics: surface effects in nanoscale materials," Journal of Computational Physics, 2017.  (in press)  [link]
  2. E. Biyikli and A. C. To, “Multiresolution molecular mechanics: implementation and efficiency,” Journal of Computational Physics, 328, 27-45, 2017.  [link]
  3. E. Biyikli and A. C. To, “Multiresolution molecular mechanics: adaptive analysis,” Computer Methods in Applied Mechanics and Engineering, 305, 682-702, 2016.  [link]
  4. Q. Yang and A. C. To, "Multiresolution molecular mechanics: a unified and consistent framework for general finite element shape functions," Computer Methods in Applied Mechanics and Engineering, 283, 384-418, 2015. [link]
  5. E. Biyikli, Q. Yang, and A. C. To, “Multiresolution molecular mechanics: dynamics,” Computer Methods in Applied Mechanics and Engineering, 274, 42-55, 2014.  [link]
  6. Y. Fu and A. C. To, “A modification to Hardy’s thermomechanical theory that conserves fundamental properties more accurately: Tensile and shear failures in iron,” Modeling and Simulation in Materials Science and Engineering, 22, 015010, 2014.  [link]
  7. Q. Yang, E. Biyikli, and A. C. To, “Multiresolution molecular mechanics: convergence and error structure analysis,” Computer Methods in Applied Mechanics and Engineering, 269, 20-45, 2014. [link]
  8. Y. Fu and A. C. To, "A modification to Hardy's thermomechanical theory that conserves fundamental properties more accurately," Journal of Applied Physics, 113, 233505, 2013.  [link]
  9. Y. Fu and A. C. To, "On the evaluation of Hardy’s thermomechanical quantities using ensemble and time averaging,” Modeling and Simulation in Materials Science and Engineering, 21, 055015, 2013. [link]
  10. Q. Yang, E. Biyikli, and A. C. To, “Multiresolution molecular mechanics: statics,” Computer Methods in Applied Mechanics and Engineering, 258, 26-38, 2013. [link]
  11. Q. Yang, E. Biyikli, P. Zhang, R. Tian, and A. C. To, “Atom collocation method,” Computer Methods in Applied Mechanics and Engineering, 237-240, 67-77, 2012. [link]
  12. Y. Fu, M. Kirca, and A. C. To, "On determining the thermal state of individual atoms in molecular dynamics simulations of nonequilibrium processes in solids," Chemical Physics Letters, 506, 290-297, 2011. [link]
  13. A. C. To, Y. Fu, W. K. Liu, "Denoising methods for thermomechanical decomposition for quasi-equilibrium molecular dynamics simulations," Computer Methods in Applied Mechanics and Engineering, 200, 1979-1992, 2011. [link]
  14. A. C. To, W. K. Liu, G. B. Olson, T. Belytschko, W. Chen, M. Shephard, Y.-W. Chung, R. Ghanem, P. W. Voorhees, D. N. Seidman, C. Wolverton, J. S. Chen, B. Moran, A. J. Freeman, R. Tian, X. Luo, E. Lautenschlager, D. Challoner, “Materials integrity in microsystems: a framework for a petascale predictive-science based multiscale modeling and simulation system,” Computational Mechanics, 42, 485-510, 2008. [link]
  15. A. C. To, W. K. Liu, and A. Kopacz, "A finite temperature continuum theory based on interatomic potential in crystalline solids," Computational Mechanics, 42, 531-541, 2008.  [link]
  16. S. Li, X. Liu, A. Agrawal, and A. C. To, "Perfectly matched multiscale simulations for discrete lattice systems: Extension to multiple dimensions," Physical Review B, 74, 045418, 2006.  [link]
  17. A. C. To and S. Li, "Perfectly matched multiscale simulations," Physical Review B, 72, 035414, 2005. [link]

Metamaterials & Phononic Crystals

  1. P. Zhang and A. C. To, “Point group symmetry and deformation induced symmetry breaking of superlattice materials,” Proceedings A of the Royal Society, 471, 0125, 2015.  [link].
  2. X. Mu, L. Wang, X. Yang, P. Zhang, A. C. To, and T. Luo, “Ultra-low thermal conductivity in Si/Ge hierarchical superlattice nanowires,” Scientific Reports, 5, 16697, 2015.  [link]
  3. P. Zhang, M. Heyne, and, A. C. To, “Biomimetic staggered composites with highly enhanced energy dissipation: modeling, 3D printing, and testing,” Journal of Mechanics and Physics of Solids, 83, 285-300, 2015, 2015. [link]
  4. P. Zhang and A. C. To, “Highly enhanced damping figure of merit in biomimetic hierarchical staggered composites,” ASME Journal of Applied Mechanics, 81, 051015, 2014. [link]
  5. P. Zhang and A. C. To, "Broadband wave filtering of bioinspired hierarchical phononic crystal,"Applied Physics Letters, 102, 121910, 2013.  [ link]
  6. B. J. Lee and A. C. To. “Enhanced absorption in one-dimensional phononic crystals with interfacial acoustic waves,” Applied Physics Letters, 95, 031911, 2009. [link]
  7. S. Gonella, A. C. To, and W. K. Liu, “Interplay between phononic bandgaps and piezoelectric microstructures for energy harvesting,” Journal of Mechanics and Physics of Solids, 57, 621-633, 2009. [link]

Nanoporous Metals

  1. A. Giri, J. Tao, M. Kirca, and A. C. To, “Compressive behavior and deformation mechanism of nanoporous open-cell foam with ultrathin ligaments,” Journal of Micromechanics and Nanomechanics,4, SPECIAL ISSUE: Mechanics of Nanocomposites and Nanostructure, A4013012, 2014.  [ link]
  2. A. Giri, J. Tao, M. Kirca, and A. C. To, “Mechanics of nanoporous metals,” in Handbook of Micromechanics and Nanomechanics, edited by S. Li and X. L. Gao (Pan Stanford, Singapore), pp. 827-862, 2013.  [link]
  3. A. C. To, J. Tao, M. Kirca, and L. Schalk, "Ligament and joint sizes govern softening in nanoporous aluminum," Applied Physics Letters, 98, 051903, 2011.  [link]
  4. A. Datta, A. Srirangarajan, U. V. Waghmare, U. Ramamurty, and A. C. To, "Surface effects on stacking fault and twin formation in fcc nanofilms: a first-principles study," Computational Materials Science, 50, 3342-3345. 2011. [link]

Carbon Nanotube Structures

  1. C. Baykasoglu, Z. Ozturk, M. Kirca, A. T. Celebi, A. Mugan, and A. C. To, “Effect of lithium doping on hydrogen storage capacity of heat welded random CNT network structure,” International Journal of Hydrogen Energy, 41, 8246–8255, 2016. [link]
  2. Z. Ozturk, C. Baykasoglu, A. T. Celebi, M. Kirca, A. Mugan, A. C. To, "Hydrogen storage in heat welded random CNT network structures," International Journal of Hydrogen Energy, 40, 403-411, 2015. [link]
  3. X. Yang, Y. Huang, L. Wang, Z. Han, and A. C. To, "Carbon nanotube-fullerene hybrid nanostructures by C60 bombardment: formation and mechanical behavior," Physical Chemistry Chemical Physics, 16, 21615, 2014. [link]
  4. X. Yang, Y. Huang, L. Wang, Z. Han, and A. C. To, "Nanobuds promote heat welding of carbon nanotubes at experimentally-relevant temperatures," RSC Advances, 4, 56313-56317, 2014. [link]
  5. A. T. Celebi, M. Kirca, C. Baykasoglu, A. Mugan, and A. C. To, “Tensile behavior of heat welded CNT network structures,” Computational Materials Science, 88, 14-12, 2014. [link]
  6. X. Yang, D. Chen, Z. Han, and A. C. To, “Effects of welding on thermal conductivity of randomly oriented carbon nanotube networks,” International Journal of Heat and Mass Transfer, 70, 803-810, 2014. [link]
  7. D. Mohammadyani, H. Modarress, A. C. To, A. Amani, ”Interactions of fullerenes (C60) and its hydroxyl derivatives with lipid bilayer: a coarse-grained molecular dynamic simulation,” Brazilian Journal of Physics, 44, 1-7, 2014. [link]
  8. X. Yang, D. Chen, Y. Du, and A. C. To, “Heat conduction in extended X-junctions of single-walled carbon nanotubes,” Journal of Physics and Chemistry of Solids, 2013, 75, 123-129, 2014. [link]
  9. M. Kirca, X. Yang, and A. C. To, “A stochastic algorithm for modeling heat welded random carbon nanotube network,” Computer Methods in Applied Mechanics and Engineering, 259, 1-9, 2013. [link]
  10. X. Yang, F. Qiao, P. Zhang, X. Zhu, D. Chen, and A. C. To, “Coalescence of parallel finite length single-walled carbon nanotubes by heat treatment,” Journal of Physics and Chemistry of Solids, 74, 436-440, 2013. [link]
  11. E. Biyikli, J. Liu, X. Yang, and A. C. To, "A fast method for generating atomistic models of arbitrary-shaped carbon graphitic nanostructures," RSC Advances, 3, 1359-1362, 2013. [link]
  12. X. Yang, Z. Han, Y. Li, D. Chen, P. Zhang, and A. C. To, "Heat welding of non-orthogonal X-junction of single-walled carbon nanotubes," Physica E, 46, 30-32, 2012. [link]
  13. X. Yang, P. Zhang, Z. Han, D. Chen, and A. C. To, “Transformation of non-orthogonal X-junction of single-walled carbon nanotubes into parallel junction by heating,” Chemical Physics Letters, 547, 42-46, 2012. [link]
  14. B. A. Stormer, N. M. Piper, X. Yang, J. Tao, Y. Fu, M. Kirca, and A. C. To, "Mechanical properties of SWNT X-junctions through molecular dynamics simulation," International Journal of Smart and Nano Materials, 3, 33-46, 2012. (invited paper) [link]
  15. N. M. Piper, Y. Fu, J. Tao, X. Yang, and A. C. To, "Vibration promotes heat welding of single-walled carbon nanotubes," Chemical Physics Letters, 502, 231-234, 2011. [link]
  16. A. Datta, M. Kirca, Y. Fu, and A. C. To, "Surface structure and properties of functionalized nanodiamonds: a first-principles study," Nanotechnology, 22, 065706, 2011. link]

Nanowires

  1. X. Yang, A. C. To, and M. Kirca, "Thermal conductivity of periodic array of intermolecular junctions of silicon nanowires," Physica E, 44, 141-145, 2011. [link]
  2. X. Yang, A. C. To, and R. Tian, “Anomalous heat conduction behavior in thin finite-size silicon nanowires,” Nanotechnology, 21, 155704, 2010. [link]
  3. Y. Hu, A. C. To, and M. Yun, “Controlled growth of single metallic and conducting polymer nanowire via gate-assisted electrodeposition,” Nanotechnology, 20, 285605, 2009. [link]

Piezoelectrics

  1. S. Gonella, A. C. To, and W. K. Liu, “Interplay between phononic bandgaps and piezoelectric microstructures for energy harvesting,” Journal of Mechanics and Physics of Solids, 57, 621-633, 2009. [link]
  2. A. C. To, S. Li, and S. D. Glaser, "Propagation of a mode-III interfacial conductive crack along a conductive interface between two piezoelectric materials," Wave Motion, 43, 368–386, 2006. [link]
  3. S. Li, A. C. To, and S. D. Glaser, "On scattering in a piezoelectric medium by a conducting crack,"ASME Journal of Applied Mechanics, 72, 943–954, 2005. [link]
  4. A. C. To, S. Li, and S. D. Glaser, "On scattering in dissimilar piezoelectric materials by an interfacial crack," Quarterly Journal of Mechanics and Applied Mathematics, 58, 309–331, 2005. [link]

Finite Elements/Meshfree Methods

  1. E. Biyikli, J. Liu, X. Yang, and A. C. To, "A fast method for generating atomistic models of arbitrary-shaped carbon graphitic nanostructures," RSC Advances, 3, 1359-1362, 2013. [link]
  2. R. Tian, A. C. To, and W. K. Liu, "Conforming local meshfree method," International Journal for Numerical Methods in Engineering, 86, 335-357, 2011. [link]
  3. X. Yin, W. Chen, A. C. To, C. McVeigh, W. K. Liu, “Statistical volume element method for predicting microstructure constitutive property relations,” Computer Methods in Applied Mechanics and Engineering, 197, 3516-3529, 2008. [link]
  4. Y. Liu, W. K. Liu, T. Belytschko, N. A. Patankar, A. C. To, A. Kopacz, and J.-H. Chung, "Immersed electrokinetic finite element method," International Journal for Numerical Methods in Engineering, 71, 379–405, 2007. [link]

Acoustic Emission

  1. A. C. To, J. R. Moore, and S. D. Glaser, “Wavelet denoising techniques with applications to experimental geophysical data,” Signal Processing, 89, 144-160, 2009. [link]
  2. A. C. To, and S. D. Glaser, "Full waveform inversion of a 3-D source inside an artificial rock," Journal of Sound and Vibration, 285, 835–857, 2005. [link]
  3. J. Ching, A. C. To, and S. D. Glaser, "Microseismic source deconvolution: Bayes vs. Wiener, Fourier vs. wavelets, and linear vs. nonlinear," Journal of Acoustical Society of America, 115, 3048–3058, 2004. [link]

Miscellaneous

  1. S. D. Chambreau, G. L. Vaghjiani, A. C. To, C. Koh, D. Strasser, O. Kostko, and S. R. Leone. “Heats of vaporization of room temperature ionic liquids by tunable vacuum ultraviolet photoionization,” Journal of Physical Chemistry B, 114, 1361-1367, 2010. [link]
  2. A. C. To, H. Ernst, and H. H. Einstein, "Lateral load capacity of drilled shafts in jointed rock," ASCE Journal of Geotechnical and Geoenvironmental Engineering, 129, 711–726, 2003. [link]

Total Number of Journal Publications: 72

Book Chapters

  1. M. Kirca and A. C. To, "Mechanics of CNT network materials,” in Advanced Computational Nanomechanics, edited by N. Silvestre (Wiley, New York), 29-70,2016. [link]
  2. A. Giri, J. Tao, M. Kirca, and A. C. To, “Mechanics of nanoporous metals,” in Handbook of Micromechanics and Nanomechanics, edited by S. Li and X. L. Gao (Pan Stanford, Singapore), 827-862, 2013. [link]
  3. Y. Fu and A. C. To, "Application of many-realization molecular dynamics method to understand the physics of nonequilibrium processes in solids," in Multiscale Simulations and Mechanics of Biological Materials, edited by S. Li and D. Qian, (Wiley, New York), 59-76, 2013. [link]

PhD Dissertations

  1. Qingcheng Yang, "Multiresolution molecular mechanics:  Theory and applications," Ph.D. Dissertation, University of Pittsburgh, 2016. [pdf]
  2. Pu Zhang, "Bioinspired hierarchical materials and cellular structures: Design, modeling, and 3D printing," Ph.D. Dissertation, University of Pittsburgh, 2015. [pdf]
  3. Emre Biyikli, "Multiresolution molecular mechanics: Dynamics, adaptivity, and implementation," Ph.D. Dissertation, University of Pittsburgh, 2015. [pdf]
  4. Mesut Kirca, "Mechanics of nanomaterials consisted of random networks," Ph.D. Dissertation, Istanbul Technical University, 2013. [pdf]
  5. Yao Fu, "On determining continuum quantities of non-equilibrium processes via molecular dynamics simulations," Ph.D. Dissertation, University of Pittsburgh, 2013. [pdf]