Publications

[34] Sangryun Lee, Junpyo Kwon, Hyunjun Kim, Robert O. Ritchie, and Grace X. Gu, "Advancing Programmable Metamaterials Through Machine Learning-Driven Buckling Strength Optimization", Current Opinion in Solid State & Materials Science, 31, 101161, (2024). [link to paper]

[33] Daniel Lim, Sangryun Lee, Jeong-Ho Lee, Wonjoon Choi, and Grace X. Gu, "Mechanical Metamaterials as Broadband Electromagnetic Wave Absorbers: Investigating Relationships Between Geometrical Parameters and Electromagnetic Response", 11, 2506-2516, Materials Horizons, (2024). [link to paper]

[32] Hugon Lee, Sangryun Lee*, and Seunghwa Ryu*, "Advancements and Challenges of Micromechanics-based Homogenization for the Short Fiber Reinforced Composites",  Multiscale Science and Engineering, 5, 133-146, (2024).  (* co-corresponding) [link to paper]

[31] Sangryun Lee, Zhizhou Zhang, and Grace X. Gu, "Deep Learning Accelerated Design of Mechanically Efficient Architected Materials", ACS Applied Materials & Interfaces, 15, 18, 22543-22552, (2023). [link to paper]

[30] Shao-Yi Yu, Sangryun Lee, Zhizhou Zhang, Zeqing Jin, and Grace X. Gu, "From Brittle to Ductile: Symmetry Breaking in Strut-Based Architected Materials", ACS Materials Letters, 5, 1288-1294, (2023). [link to paper]

[29] Sangryun Lee, Dahyun Daniel Lim, Elizabeth Pegg, and Grace X. Gu, "The Origin of High-Velocity Impact Response and Damage Mechanisms for Bioinspired Composites", Cell Reports Physical Science, 3, 12, 101152, (2022). [link to paper]

[28] Sangryun Lee, Wonjae Choi, Jeongwon Park, Daesu Kim, Sahn Nahm, Wonju Jeon, Grace X. Gu, Miso Kim, and Seunghwa Ryu, "Machine Learning-enabled Development of High Performance Gradient-index Phononic Crystals for Energy Focusing and Harvesting", Nano Energy, 103, 107846, (2022). [link to paper]

[27] Kwanbyung Chae, Van Tu Nguyen, Sangryun Lee, Thi Quynh Phung, Yumin Sim, Maeng-Je Seong, Sangwoon Lee, Yeong Hwan Ahn, Soonil Lee, Seunghwa Ryu, and Ji-Yong Park, "Mechanical Failures of Two-Dimensional Materials on Polymer Substrates", Applied Surface Science, 605, 154736, (2022). [link to paper]

[26] Jiyoung Jung, Youngsoo Kim, Sangryun Lee, Issam Doghri, and Seunghwa Ryu, "Improved Incrementally Affine Homogenization Method for Viscoelastic-Viscoplastic Composites Based on an Adaptive Scheme", Composite Structures, 297, 115982, (2022). [link to paper]

[25] Sangryun Lee, Zhizhou Zhang, and Grace X. Gu, "Generative Machine Learning Algorithm for Lattice Structures with Superior Mechanical Properties", Materials Horizons, 9, 952-960, (2022). Selected as an Inside backcover, Featured at Berkeley Engineering News [link to paper]

[24] Sooun Lee+, Dabin Kim+, Sangryun Lee, Youg-il Kim, Sihyeon Kum, Sang-Woo Kim, Yunseok Kim, Seunghwa Ryu, and Miso Kim, "Ambient Humidity-induced Phase Separation Fiber Morphology Engineering toward Piezoelectric Self-Powered Sensing", Small, 2105811, (2022). Selected as an Inside backcover (+equal contribution) [link to paper]

[23] Youngsoo Kim+, Jiyoung Jung+, Sangryun Lee, Issam Doghri and Seunghwa Ryu, "Adaptive Affine Homogenization Method for Visco-hyperelastic Composites with Imperfect Interface", Applied Mathematical Modelling, 107, 72-84, (2022). (+equal contribution) [link to paper]

[22] Sangryun Lee, Jiyoung Jung, and Seunghwa Ryu, "Applicability of Interface Spring and Interphase Models in Micromechanics for Predicting Effective Stiffness of Polymer-Matrix Nanocomposite", Extreme Mechanics Letters, 101489, (2021). [link to paper]

[21] Jamie D. Gravell, Sangryun Lee, Seunghwa Ryu, and Ill Ryu, "Effect of Size and Orientation on Stability of Dislocation Networks Upon Torsion Loading and Unloading in FCC Metallic Micropillars", Acta Materialia, 214, 1, 117010, (2021). [link to paper]

[20] Woon Ik Park, Tae Wan Park, Young Joon Choi, Sangryun Lee, Seunghwa Ryu, Xiaogan Liang, and Yeon Sik Jung, "Extreme-Pressure Imprint Lithography for Heat and Ultraviolet-Free Direct Patterning of Rigid Nanoscale Features", ACS Nano, 15, 6, 10464-10471, (2021). [link to paper]

[19] Jiyoung Jung, Wabi Demeke, Sangryun Lee, Jaywan Chung, Byungki Ryu, and Seunghwa Ryu, "Micromechanics-Based Theoretical Prediction for Thermoelectric Properties of Anisotropic Composites and Porous Media", International Journal of Thermal Science, 165, 106918, (2021). [link to paper]

[18] Sangryun Lee, Jiyoung Jung, Youngsoo Kim, Yongtae Kim, and Seunghwa Ryu, "Multiscale Modeling Framework to Predict Effective Stiffness of Crystalline-Matrix Nanocomposite", International Journal of Engineering Science, 161, 103457, (2021). [link to paper]

[17] Abhinav Parakh, Sangryun Lee, Mehrdad T. Kiani, David Doan, Martin Kunz, Andrew Doran, Seunghwa Ryu, and X. Wendy Gu, "Stress-Induced Structural Transformations in Au Nanocrystals", Nano Letters, 20, 7767-7773, (2020). [link to paper]

[16] Sangryun Lee, Ill Ryu, and Seunghwa Ryu, "Stacking Fault Energy-Dependent Plastic Deformation of Face-Centered-Cubic Metal Nanowires Under Torsional Loading", Extreme Mechanics Letters, 100895, (2020). [link to paper]

[15] Jaegyu Kim, Seoungwoo Byun, Sangryun Lee, Jeongjae Ryu, Seongwoo Cho, Chungik Oh, Hongjun Kim, Kwangsoo No, Seunghwa Ryu, Yong Min Lee and Seungbum Hong, "Cost-Effective and Strongly Integrated Fabric-Based Wearable Piezoelectric Energy Harvester", Nano Energy, 75, 104992, (2020). [link to paper]

[14] Jiyoung Jung, Sangryun Lee, Nicola M. Pugno, and Seunghwa Ryu, "Orientation Distribution Dependence of Piezoresistivity of Metal Nanowire – Polymer Composite", Multiscale Science and Engineering, 2, 54-62 (2020). [link to paper]

[13] Abhinav Parakh, Sangryun Lee, Lindsey A. Hanson, Mehrdad T. Kiani, David Doan, Martin Kunz, Andrew Doran, Seunghwa Ryu and X. Wendy Gu, "Nucleation of Dislocations in 3.9 nm Nanocrystals at High Pressure", Physical Review Letters, 124, 106104, (2020). [link to paper]

[12] Sangryun Lee, Jiyoung Jung and Seunghwa Ryu, "Micromechanics-Based Prediction of the Effective Properties of Piezoelectric Composite Having Interfacial Imperfections", Composite Structures, 240, 112076 (2020). [link to paper]

[11] Jiyoung Jung, Sangryun Lee, Byungki Ryu, and Seunghwa Ryu, "Investigation of Effective Thermoelectric Properties of Composite with Interfacial Resistance Using Micromechanics-Based Homogenisation", International Journal of Heat and Mass Transfer, 144, 118620 (2019). [link to paper]

[10] Sangryun Lee, Nicola Pugno, and Seunghwa Ryu, "Atomistic Simulation Study on the Crack Growth Stability of Graphene Under Uniaxial Tension and Indentation", Meccanica, 54, 1915-1926 (2019). [link to paper]

[9] Seunghwa Ryu+, Sangryun Lee+, Jiyoung Jung, Jinyeop Lee, and Youngsoo Kim, "Micromechanics- Based Homogenization of Effective Properties of Composites with Anisotropic Matrix and Interfacial Imperfection", Frontiers in Materials, 6, 21 (2019). (+equal contribution) [link to paper]

[8] Sangryun Lee, Youngsoo Kim, Jinyeop Lee, and Seunghwa Ryu, "Applicability of the Interface Spring Model For Micromechanical Analyses with Interfacial Imperfections to Predict the Modified Exterior Eshelby Tensor and Effective Modulus", Mathematics and Mechanics of Solids, 24, 9, 2944-2960 (2019). [link to paper]

[7] Sangryun Lee+, Jinyeop Lee+, and Seunghwa Ryu, "Modified Eshelby Tensor for an Anisotropic Matrix with Interfacial Damage", Mathematics and Mechanics of Solids, 24, 6, 1749-1762 (2019) (+equal contribution) [link to paper]

[6] Sangryun Lee+, Jinyeop Lee+, Byungki Ryu and Seunghwa Ryu, "A Micromechanics-Based Analytical Solution for the Effective Thermal Conductivity of Composites with Orthotropic Matrices and Interfacial Thermal Resistance", Scientific Reports, 8, 7266 (2018). (+equal contribution) [link to paper]

[5] Sangryun Lee and Seunghwa Ryu, "Theoretical Study of the Effective Modulus of a Composite Considering the Orientation Distribution of the Fillers and the Interfacial Damage", European Journal of Mechanics A/Solids, 72, 79 (2018). [link to paper]

[4] Giwon Lee, Seung Goo Lee, Yoonyoung Chung, Geun Yeol Bae, Sangryun Lee, Seunghwa Ryu, and Kilwon Cho, "Omnidirectionally and Highly Stretchable Conductive Electrodes Based on Noncoplanar Zigzag Mesh Silver Nanowire Arrays", Advanced Electronic Materials, 2, 1600158 (2016). [link to paper]

[3] Yoonyoung Chung, Hyun Ho Kim, Sangryun Lee, Eunho Lee, Seong Won Kim, Seunghwa Ryu, and Kilwon Cho, "Ubiquitous Graphene Electronics on Scotch Tape", Scientific Reports, 5, 12575 (2015). [link to paper]

[2] Sangryun Lee, Morteza Amjadi, Nicola Pugno, Inkyu Park* and Seunghwa Ryu*, "Computational Analysis of Metallic Nanowire-Elastomer Nanocomposite Based Strain Sensors", AIP Advances, 5, 117233 (2015). (* co-corresponding) [link to paper]

[1] Sangryun Lee, and Seunghwa Ryu, "Molecular Dynamics Study on the Distributed Plasticity of Penta-Twinned Silver Nanowires", Frontiers in Materials, 2, 56 (2015). [link to paper]

[3] 이상륜, 유승화 "평균장 균질화를 이용한 입자 강화 복합재의 유효 물성치 예측 연구 동향", Composites Research 33, 81-89 (2020).

[2] 이상륜, 최걸기, 김종철, 유승화 "이미지 방법을 이용한 자유 및 강체 표면 옆의 맥동하는 버블 주위 속도 포텐셜 해석", Journal of Ocean Engineering and Technology 해양공학회 학회지 32, 28-35 (2018).

[3] 유승화, 김재민, 이상륜 "FCC 금속 나노선의 변형", 재료마당 (Trends in Metals & Materials Engineering) 29, 14-22 (2016).

[1] Seunghwa Ryu, Jaemin Kim, and Sangryun Lee, "Dislocation nucleation mediated plasticity of FCC nanowires", Handbook of Mechanics of Materials, 1-15, Springer, 2018. [link]