Journal Papers
48. W. Xian, and S. Lee, “A Pendulum Based Frequency-Up Conversion Mechanism for Vibrational Energy Harvesting in Low-Speed Rotary Structures,” Journal of Intelligent Material Systems and Structures, Accepted, 2024
47. H. Umar, C. Mullen, S. Lee, J. Lee, and J. Kim, “Broadband Energy Harvester for Varied Tram Vibration Frequency Using 2-DOF Mass-Spring-Damper System,” Smart Structures and Systems, 32(6), 383-391, https://doi.org/10.12989/sss.2023.32.6.383, 2023
46. H. Lee, I. Raouf, J. Song, H. S. Kim, and S. Lee, “Prognostics and Health Management of the Robotic Servo-Motor under Variable Operating Conditions,” Mathematics, 11(2), 398, 2023 
45. S. Lee, C. Lee, J. Bosio, and M. A. S. de Melo, “Smart Flexible 3D sensor for monitoring orthodontics forces: Prototype Design and Proof of Principle experiment,” Bioengineering, 9(10), 570, 2022
44. T. Chaisson, S. Lee, and D. Burns, “Design optimization of a wind tunnel force balance using stepwise response surface method,” Journal of Mechanical Science and Technology, Vol. 36, No. 6, DOI 10.1007/s12206-022-0537-4, 2022
43. M. Sung, S. Lee, and D. Burns, “Robust Topology Optimization of a Flexural Structure Considering Multi-Stress Performance for Force Sensing and Structural Safety,” Struct. Multidiscip. O., Vol. 65, No. 1, pp. 1-21, 2022
42. S. Jeong, S. Lee, and H. H. Yoo, “Design Scalability Study of the G-Shaped Piezoelectric Harvester Based on Generalized Classical Ritz Method and Optimization,” Electronics, Vol. 10, No. 16, pp. 1887, 2021.
41. H. Jung, A. T. Eshghi, and S. Lee, “Structural Failure Detection Using Wireless Transmission Rate from Piezoelectric Energy Harvesters,” IEEE/ASME Transactions on Mechatronics, doi: 10.1109/TMECH.2020.3037291, 2020.
40. S. Nezami and S. Lee. “Nonlinear Dynamics of a Rotary Energy Harvester With a Double Frequency Up-Conversion Mechanism,” Journal of Computational and Nonlinear Dynamics, Vol. 15, No. 9, pp. 091011, 2020
39. H. Jung, S. Nezami, and S. Lee, “Power Supply Switch Circuit for Intermittent Energy Harvesting,” Electronics, Vol. 8, No. 12, pp. 1446, 2019
38. A. T. Eshghi, S. Lee, H. Jung, and P. Wang, “Design of Structural Monitoring Sensor Network Using Surrogate Modeling of Stochastic Sensor Signal,” Mechanical Systems and Signal Processing (IF: 4.370), Vol. 133, No. 1, pp. 106280, 2019
37. R. Fan, S. Lee, H. Jung, M. A. Melo, R. Masri, “Piezoelectric energy harvester utilizing mandibular deformation to power implantable biosystems: a feasibility study,” Journal of Mechanical Science and Technology, Vol. 33, No. 8, pp. 1~7, 2019
36. S. Nezami, H. Jung, S. Lee, “Design of a disk-swing driven piezoelectric energy harvester for slow
rotary system application,” Smart Mater. Struct. (IF: 2.963), Vol. 28 No. 7 074001, 2019
35. A. T. Eshghi and S. Lee, “Adaptive Improved Response Surface Method for Reliability-Based Design Optimization,” Engineering Optimization, Vol. 51, No. 12, pp. 1-19, 2019
34. M. Li, M. K. Sadoughi, C. Hu, Z. Hu, A. T. Eshghi, and S. Lee, “High-Dimensional Reliability-based Design Optimization Involving Highly Nonlinear Constraints and Computationally Expensive Simulations,” Journal of Mechanical Design, Vol. 141, No. 5, pp. 051402, 2019
33. S. Nezami, S. Lee, J. Jin, and K. W. Kang “Shape optimization of railroad vibration energy harvester for structural robustness and power generation performance,” Eng. Struct., Vol. 173, No. 15, pp. 460-471, 2018
32. H. Jung, S. Lee, S. Jeong, and H. Yoo, “Segmented Impact-Type Piezoelectric Energy Harvester for Self-Start Impedance Matching Circuit,” Smart Mater. Struct. (IF: 2.963), 27.11 (2018): 114006
31. N. Chen, T. Wei, D. Ha, H. Jung, and S. Lee, “Alternating Resistive Impedance Matching for an Impact-Type Micro Wind Piezoelectric Energy Harvester,” IEEE T. Ind. Electron., Vol. 65, No. 9, pp. 7374-7382, 2018
30. Sadoughi, Mohammad Kazem, et al. “A High-Dimensional Reliability Analysis Method for Simulation-Based Design Under Uncertainty.” Journal of Mechanical Design 140.7: 071401, 2018
29. A. T. Eshghi, S. Lee, M. K. Sadoughi, C. Hu, Y. C. Kim, and J. H. Seo, “Design optimization under uncertainty and speed variability for a piezoelectric energy harvester powering a tire pressure monitoring sensor,” Smart Mater. Struct., Vol. 26, No. 10, 105037, 2017
28. M. Sadoughi, C. Hu, C. A. MacKenzie, S. Lee, and A. Eshghi “A Maximum Expected Utility Method for Efficient Reliability Analysis of Complex Engineered Systems,” Struct. Multidiscip. O., p. 1-16, 2017
27. N. Chen, T. Wei, H. Jung, and S. Lee, “Quick self-start and minimum power-loss management circuit for impact-type micro wind piezoelectric energy harvesters,” Sensor. Actuat. A-Phys., Vol. 263, pp. 23–29, 2017
26. S. Seong, C. Hu, and S. Lee, “Design under uncertainty for reliable power generation of piezoelectric energy harvester,”J. Intel. Mat. Syst. Str., 1045389X17689945, 2017
25. M. Bakhtiarinejad, S. Lee, and J. Joo, “Topology Optimization based on Morphing Mesh for Simultaneous Component Relocation and Frame Structure Design,” Struct. Multidiscip. O., Vol. 55, No. 1, pp 297–315, 2017
24. P. Wang, Z. Wang, B. D. Youn, and S. Lee, “Reliability-based Robust Design of Smart Sensing Systems for Failure Diagnostics Using Piezoelectric Materials,” Compu. Struct., Vol. 156, pp. 110-121, 2015
23. S. Lee and F. Semperlotti, “Design Optimization for Passive Adaptive Structural Networks,” J. Intel. Mat. Syst. Str., Vol. 26, No. 9, pp. 1110-1127, 2015
22. S. Lee and A. Tovar, “Outrigger Placement in Tall Buildings Using Topology Optimization,” Eng. Struct., Vol. 74, No. 1, pp. 122-129, 2014
21. M. K. Kang, S. Lee, and J. H. Kim, “Shape Optimization of a Mechanically Decoupled Six-Axis Force/Torque Sensor,” Sensor. Actuat. A-Phys., Vol. 209, No. 1, pp. 41–51, 2014
20. S. Lee and D. H. Kim, “Durable and Sustainable Strap Type Electromagnetic Harvester for Tire Pressure Monitoring System,” J. Magnetics, Vol. 18, No. 4, pp. 473-480, 2013
19 S. Lee and A. Tovar, “Topology Optimization of Energy Harvesting Skin Using Hybrid Cellular Automata,” J. Mech. Design, Vol. 135, No. 3, pp. 031001 (11 pages), 2013
18 J. I. Park, S. Lee , and B. M. Kwak, “Design Optimization of Piezoelectric Energy Harvester Subject to Tip Excitation,” J. Mech. Sci. Technol., Vol. 26, No. 1, pp.137-143, 2012
17 S. Lee and B. D. Youn, “A New Piezoelectric Energy Harvesting Design Concept: Multimodal Energy Harvesting Skin,” IEEE T. Ultrason. Ferr., Vol. 58, No. 3, pp. 629-645, 2011
16 S. Lee and B. D. Youn, “A Design and Experimental Verification Methodology for Energy Harvester Skin Structure,” Smart Mater. Struct., Vol. 20, No. 5, 057001, 2011
15 B. C. Jung, D. H. Lee, B. D. Youn, and S. Lee, “A statistical characterization method for damping material properties and its application to structural-acoustic system design,” J. Mech. Sci. Technol., Vol. 25, No. 8, pp. 1893-1904, 2011
14 K. N. Song, S. Lee, M. K. Shin, J. J. Lee, and G. J. Park, “New Spacer Grid to Enhance Mechanical/Structural Performance,” J. Nucl. Sci. Technol. Vol. 47, No. 3, pp. 295–303, 2010
13 S. Lee, B. D. Youn, and B. C. Jung, “Robust Segment-Type Energy Harvester and Its Application to a Wireless Sensor,” Smart Mater. Struct., Vol. 18, No. 9, 095021 (12pp), 2009 – Selected as “Highlight of 2009” by the publisher
12 K. N. Song, S. S. Kim, S. H. Lee, S. Lee, “Laser Welding Unit for Intersection Line Welding of Spacer Grid Inner Straps and its Application,” Journal of Laser Micro/Nanoengineering, Vol. 4, No. 1, pp. 11-17, 2009
11 K. N. Song, S. S. Kim, S. Lee, Y. W. Kim, “Development of a LASER Welding Apparatus and a Method for an Inner-Strap Welding of a Spacer Grid Assembly for a PWR Fuel Assembly,” Mater. Sci. Forum, Vol. 580-582 pp. 507~510, 2008
10 S. Lee, Y. W. Kim, and K. N. Song, “Parameter study of the dimple location in the spacer grid on the impact strength,” J. Mech. Sci. Technol., Vol. 22, pp. 2024~2029, 2008
9 D. H. Kim, S. Lee, B. M. Kwak, H. G. Kim, and D. A. Lowther, “Smooth boundary topology optimization for electrostatic problems through the combination of shape and topological design sensitivities,” IEEE Trans. Magn., Vol. 44, No. 6, pp. 1002-1005, 2008
8 C. H. Chung, S. Lee*, B. M. Kwak, G. W. Kim, and J. H. Kim, “A delay line circuit design for crosstalk minimization using genetic algorithm,” IEEE T. Comput. Aid. D., Vol. 27, No. 3, pp. 578-583, 2008
7 S. Lee, and B. M. Kwak, “Smooth boundary topology optimization for eigenvalue performance and its application to design of flexural stage,” Eng. Optimiz., Vol. 40, No. 3, pp. 271-285, 2008
6 K. N. Song and S. Lee, “Performance analysis and test on the KAERI devised spacer grids for PWRs,” Journal of Power and Energy Systems, Vol. 2, No. 1, pp. 47-56, 2008
5 K. N. Song, H. Y. Lee, Y. W. Kim, and S. Lee, “Preliminary Design Analysis of a Hot Gas Duct for the NHDD Program at Korea,” Adv. Mat. Res., Vol. 33-37, pp. 1227-1232, 2008
4 K. N. Song, S. H. Lee, and S. Lee, “Impact Analysis and Test for The Space Grid Assembly of a Nuclear Fuel Assembly,” Int. J. Mod. Phys. B, Vol. 22, No. 9, 10, and 11 pp. 1228-1234, 2008
3 S. Lee, I. Y. Kim, and B. M. Kwak, “Smooth boundary topology optimization using B-spline and hole generation,” International Journal of CAD/CAM, Vol. 7, No. 1, pp. 16-31, 2007
2 K. N. Song, S. Lee, and S. H. Lee, “Performance evalation of new spacer grid shapes for PWRS,” Nucl. Eng. Technol., Vol. 39, No. 6, pp.737-746, 2007
1 S. Lee and B. M. Kwak, “Automatic generation of orthogonal arrays and its application to a two-step structural optimization,” Transactions of the KSME A, Vol. 27, No. 12, pp. 2047-2054, 2003 (in Korean)
Conference Proceedings
65. Sung, S. Lee, D.E. Burns, and J.T. Persia, “Selective Amplification and Suppression of Strain in a Multi-Axis Force Sensor Using Topology Optimization.” Proceedings of the International Design Engineering Technical Conferences (IDETC), Boston, MA, USA, Aug. 2023
64. Xian, and S. Lee, “Experimental Study on Frequency Up Conversion Utilizing a Pendulum Mechanism for Energy Harvesting.” International Design Engineering Technical Conferences (IDETC), Boston, MA, USA, Aug. 2023
63. Han, and S. Lee, “Simulation-Based Deep Learning Technique for Bolt Loosening Diagnosis in Bolt Jointed Plates Using PZT Sensors,” 2023 World Congress on Advances in Structural Engineering and Mechanics, Seoul, Korea, Aug. 2023
62. C. Mullen and S. Lee, “Effect of Misalignment of Inductive Wireless Power Transfer Coils,” 49th Power Sources Conference, Fort Washington, MD, Jun. 2023
61. J. Jung, Y. Yu, and S. Lee, “Delay Line Circuit Design Optimization for Crosstalk Minimization using Reinforcement Learning,” Applied Artificial Intelligence Conference (AAiCON) 2022, Daejeon, Republic of Korea, Jul. 2022
60. H. Lee, S. Kim, A. Rohan, I. Raouf, H. Kim, and S. Lee, “Deep Scattering Coefficient Features based Rotate Vector (RV) Reducer Fault Segregation (poster presentation),” Asia Pacific Conference of the Prognostics and Health Management Society, Jeju, Republic of Korea, Sep. 2021
59. S. Cheon, J. Park, J. Lee, and S. Lee, “A study on the structural design optimization of a co-axial shrouded drone based on surrogate modeling and CFD simulation (poster presentation),” Asia Pacific Conference of the Prognostics and Health Management Society, Jeju, Republic of Korea, Sep. 2021
58. M. Sung, S. Lee, and D. Burns, “Design of a Wind Tunnel Balance using Topology Optimization Considering Multifunctional Stress Performance,” AIAA Science and Technology Forum and Exposition (SciTech) 2021, Virtual, Jan. 2021
57. M. Sung, S. Lee, and D. Burns, “Design of Wind Tunnel Balance Structure Using Robust Topology Optimization Using Multiple Stress Constraints,” presented at ASME International Mechanical Engineering Congress and Exposition (IMECE), Virtual, Nov. 2020
56. C. Mullen and S. Lee, “Optimized Wireless Power Transfer,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Virtual, Sep. 2020
55. A. Eshghi, S. Lee, H. Jung, and P. Wang, “Design of a probabilistic health monitoring system using embedded piezoelectric patch sensors,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Louisville, KY, USA, Sep. 2019
54. S. Nezami and S. Lee, “Mathematical modeling of a two degree of freedom Vibration energy harvester for low speed rotary structure application,” Proceedings of the International Design Engineering Technical Conferences (IDETC), Anaheim, CA, USA, Aug. 2019
53. A. Lanjile, M. Younis, S.-J. Kim, and S. Lee, “Exploiting multi-modal sensing for increased detection fidelity of pipeline leakage,” Proceedings of the International Design Engineering Technical Conferences (IDETC), Anaheim, CA, USA, Aug. 2019
52. L. McCullum, S. Lee, and L. Zhu, “Use of piezoelectric material for advanced and cost-effective tumor screening,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), San Antonio, TX, USA, Sep. 2018
51. S. Nezami, H. Jung, and S. Lee, “Dynamics of vibration energy harvester governed by gravity and magnetic force in a rotating wind turbine blade,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), San Antonio, TX, USA, Sep. 2018
50. K. Asadi, S. Nezami, H. Brahmi, S. Lee, and H. Cho, “Characterization and optimization of 1:2 internal resonance in a stepped fixed-fixed microbeam (presentation only),” the International Design Engineering Technical Conferences (IDETC), Quebec City, Canada, Aug. 2018
49. M. Sung and S. Lee, “Design of high precision null balancing module using topology optimization (presentation only),” the International Design Engineering Technical Conferences (IDETC), Quebec City, Canada, Aug. 2018
48. H. Jung, S. Chervin, M. Smith, and S. Lee, “Design of an impact-driven piezoelectric energy harvester with gravityinduced rotator for wind turbine blade monitoring system (presentation only),” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2018, Denver, Colorado, USA, Mar. 2018
47. R. Fan, D. Joe, P. Shah, H. Jung, S. Lee, M. A. Melo, and R. Masri, “Design parameter study on piezoelectric energy harvester for scavenging human mandible deformation energy (presentation only),” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2018, Denver, Colorado, USA, Mar. 2018
46. A. Eshghi, S. Lee, M. K. Sadoughi, C. Hu, Y. C. Kim, and J. Seo, “Experimental verification of tire energy harvester designed via reliability based design optimization method,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2018, Denver, Colorado, USA, Mar. 2018
45. H. Jung, S. Lee, H. Jabbar, S. Y. Jeong, and T. H. Sung, “Self-Start Piezoelectric Energy Harvesting Circuit with Adjustable UVLO Converter for Wireless Sensor Network,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Snowbird, UT, USA, Sep. 2017
44. A. Eshghi, S. Lee, and Y-C Kim, “Design under Uncertainty for a Piezoelectric Energy Harvester to Power a Tire Pressure Monitoring System,” Proceedings of the International Design Engineering Technical Conferences (IDETC), Cleveland, OH, USA, Aug. 2017
43. S. Nezami, S. Lee, and K-W Kang, “Design of Leaf Spring Structure to Improve Power and Structural Integrity of a Vibration Energy Harvester,” PHM Asian Pacific 2017, Jeju, Korea, July 2017
42. M. Sung, S. Lee, and N. Kim, “Simultaneous Optimization of Printing Angle and Geometry for Additive Manufacturing using Topology Optimization,” Proceedings of the 12th World Congress on Structural and Multidisciplinary Optimization (WCSMO12), 5 – 9 June 2017, Braunschweig, Germany
41. V. Dayal and S. Lee, “Air Curtain Development: An Energy-Harvesting Solution for Hinged Doors,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2017, Portland, Oregon, USA, Mar. 2017
40. C. Mullen and S. Lee, “Experimental Verification and Optimization of a Linear Electromagnetic Energy Harvesting Device,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2017, Portland, Oregon, USA, Mar. 2016
39. S. Nezami, S. Lee, K. Kang, and J. Kim, “Improving Durability of a Vibration Energy Harvester Using Structural Design Optimization,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Stowe, VT, USA, Sep. 2016
38. C. Mullen and S. Lee, “Optimization of an Electromagnetic Energy Harvesting Backpack under Actual Walking and Running Scenarios,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Stowe, VT, USA, Sep. 2016
37. K. Ahmed and S. Lee, “Mechanical Motion Conversion from Reciprocating Translation to One-Directional Rotation for Effective Energy Harvesting,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2016, Las Vegas, USA, Mar. 2016
36. A. Eshghi, S. Lee, H. Lee, Y-C Kim, “Parameter Study and Optimization for Piezoelectric Energy Harvester for TPMS Considering Speed Variation,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2016, Las Vegas, USA, Mar. 2016
35. M. Bakhtiarinejad, J. Joo, and S. Lee, “A New Topology Optimization Method for Simultaneous Design of Component Layout and Frame Structure of Aircraft Wing,” AIAA Science and Technology Forum and Exposition (SciTech) 2016, San Diego, USA, Jan. 2016
34. S. Seong, C. Mullen, and S. Lee, and C. Hu, “Reliability-Based Design Optimization for Nonlinear Energy Harvesters,” ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Colorado Springs, CO, USA, Sep. 2015
33. S. Lee, N. Kim, and J. Joo, “Load-Path Design and Control Using Topology Optimization,” 11th World Congress on Structural and Multidisciplinary Optimization, Sydney, Australia, Jun. 2015
32. S. Seong, S. Lee, and C. Hu, “Reliability-Based Design Optimization for Nonlinear Energy Harvesters,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2015, San Diego, USA, Mar. 2015
31. S. Seong and S. Lee, “Design of nonlinear energy harvester with snap-through buckling mechanism,” Proceedings of the International Design Engineering Technical Conferences (IDETC), Buffalo, NY, USA, Aug. 2014
30. S. Lee, C. Dibernardo and A Tovar, “Outrigger system design of tall building using topology optimization,” 8th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, Gyeongju, Korea, May 2014
29. S. Lee and F. Semperlotti, “Optimal synthesis of passive adaptive structural networks for damping and stiffness improvement,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2014, San Diego, USA, Mar. 2014
28. M. Kang, S. Lee and J. Kim, “Optimal design of a mechanically decoupled six-axis force/torque sensor based on the principal cross coupling minimization,” SPIE Smart Structures/Non-Destructive Evaluation (NDE) 2014, San Diego, USA, Mar. 2014
27. A. T. Almaktoom, Z. Wang, P. Wang, and S Lee, “Smart Sensing Function Design Using Multifunctional Material for Failure Diagnostics and Prognostics,” 10th World Congress on Structural and Multidisciplinary Optimization, Orlando, USA, May 2013
26. S. Lee, “A Durable and Sustainable Strap Type Electromagnetic Harvester for TPMS,” Sensor Expo & Conference, Chicago, USA, Jun. 2012
25. S. Lee, K. Khadke, A. Tovar, “Uncertainty Propagation and Stochastic Sensitivity Analysis for Ceramic Composite Material Design Optimization,” Joint Conference of the Engineering Mechanics Institute and 11th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (EMI/PMC), Notre Dame, USA, Jun. 2012
24. S. Lee, S. Bobby, A. Tovar, A. Kareem, S. M. J. Spence, “Shape and Topology Sculpting of Tall Buildings under Aerodynamic Loads,” Proceedings of ASCE Structures Congress, Chicago, USA, Mar. 2012
23. S. Lee and A. Tovar, “Topology Optimization of Energy Harvesting Skin Structure Utilizing Harmonic Vibration,” Proceedings of the International Design Engineering Technical Conferences (IDETC), Washington D.C., USA, Aug. 2011
22. S. Lee, A. Tovar, J. E. Renaud, and A. Kareem, “Topological Optimization of Building Structural Systems and their Shape Optimization under Aerodynamic Loads,” Proceedings of the 13th International Conference on Wind Engineering, Amsterdam, The Netherlands, Jul. 2011
21. S. Lee and B. D. Youn, “Multimodal Energy Harvesting Skin Using Piezoelectric Unimorph Shell Structure,” Proceedings of the 18th International Conference on Composite Materials, Jeju, Korea, Aug. 2011
20. S. Lee, B. D. Youn, and M. Giraud, “Designing Energy Harvesting Skin Structure Utilizing Outdoor Unit Vibration,” Proceedings of the ASME International Design Engineering Technical Conferences (IDETC), Montreal, Quebec, Canada, Aug. 2010
19. S. Lee, and B. D. Youn, “A New Energy Harvesting Design Concept: Multimodal Energy Harvesting Skin,” Proceedings of the AIAA/ISSMO Multidisciplinary Analysis and Optimization (MAO), Fort Worth, TX, USA, Aug. 2010
18. S. Lee, B. D. Youn, and B. C. Jung, “Robust Segment-Type Energy Harvester Powering Wireless Sensor for Building Automation,” Proceedings of the International Design Engineering Technical Conferences (IDETC), San Diego, CA, USA, Aug. 2009
17. S. Lee and B. D. Youn, “Computer Model Calibration and Design Comparison on Piezoelectric Energy Harvester,” Proceedings of the 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Victoria, British Columbia Canada, 2008
16. K. N. Song, S. Lee, and Y. W. Kim, “Pre-conceptual design of the main components for the NHDD program,” Proceedings of the Korean Society of Mechanical Engineering (KSME) Annuals Spring & Fall Conference, Busan, Korea, pp. 48-51, May. 2007 (in Korean)
15. S. Lee and B. M. Kwak, “Design of flexural stage considering multiple constraints using smooth boundary topology optimization,” Proceedings of the 7th World Congress on Structural and Multidisciplinary Optimization (WCSMO7), Seoul, Korea, May. 2007
14. C. H. Chung, S. Lee, B. M. Kwak, G. W. Kim, and J. H. Kim, “A delay line circuit layout for crosstalk minimization using genetic algorithm and experimental verification,” Proceedings of the 7th World Congress on Structural and Multidisciplinary Optimization (WCSMO7), Seoul, Korea, May. 2007
13. D. H. Kim, S. Lee, B. M. Kwak, H. G. Kim, and D. A. Lowther, “Smooth boundary topology optimization for electrostatic problems through the combination of shape and topological design sensitivities,” Proceedings of the 16th International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2007), Aachen, Germany, Jun. 2007
12. K. N. Song, S. H. Lee, and S. Lee, “Impact Analysis and Test for the Spacer Grid Assembly of a Nuclear Fuel Assembly,” Proceedings of the 6th International Symposium on Impact Engineering (ISIE2007), Daejeon, Korea, Sep. 2007
11. S. Lee and K. N. Song, “The evaluation of impact strength of IFM support grid and its experimental verification,” Proceedings of the Korean Nuclear Society (KNS) Annuals Spring & Fall Conference, Yongpyeong, Korea, Oct. 2007 (in Korean)
10. K. N. Song and S. Lee, “Analysis of Impact Strength due to the Variation of Weld Length for the Nuclear Spacer Grid Assembly,” Proceedings of the Korean Society of Mechanical Engineering (KSME) Annuals Spring & Fall Conference, Yongpyeong, Korea, pp. 17-20, Nov. 2007 (in Korean)
9. S. Lee and B. M. Kwak, “Design of a flexural stage using smooth boundary topology optimization,” Proceedings of the 4th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems (CJK-OSM4), Kunming, China, Nov. 2006
8. C. H. Chung, S. Lee, B. M. Kwak, G. W. Kim, and J. H. Kim, “Delay line circuit design for crosstalk minimization using genetic algorithm,” Proceedings of the 4th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems (CJK-OSM4), Kunming, China, Nov. 2006
7. S. Lee, I. Y. Kim, and B. M. Kwak, “Smooth boundary topology optimization and its application to hip prosthesis design,” Proceedings of the Korean Society of Mechanical Engineering (KSME) Annuals Spring & Fall Conference, Yongpyeong, Korea, Nov. 2005 (in Korean)
6. S. Lee and B. M. Kwak, “Two-step structural optimization using Taguchi method and finite difference method,” Proceedings of the 1st Asia-Pacific International Conference on Computational Methods in Engineering (ICOME), Sapporo, Japan, Nov. 2003
5. S. Lee and B. M. Kwak, “Automatic generation of orthogonal arrays for the Taguchi method and applications to structural optimal design,” Proceedings of the 2nd China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems (CJK-OSM2), Busan, Korea, Nov. 2002
4. S. Lee, S. B. Shin, J. S. Kim, and B. M. Kwak, “DS/Block – a CAD-based software system for simulation of lifting and turnover of ship block,” Proceedings of the Korean Society of Mechanical Engineering (KSME) Annuals Spring & Fall Conference, Jeju, Korea, 2001 (in Korean)
3. S. Lee, I. Y. Kim, and B. M. Kwak, “Continuum topology optimization,” Proceedings of the 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference (MAO), Albany, NY, Sep. 2004
2. S. Lee, S. B. Shin, and B. M. Kwak, “A CAD-based software for the simulation of lifting and turnover of ship block,” Proceedings of the Korean Society of Mechanical Engineering (KSME) Annuals Spring & Fall Conference, Ulsan, Korea, 2000 (in Korean)
1. S. Lee, J. S. Han, B. M. Kwak, and S. B. Shin, “Motion and structural analysis of a ship block under lifting and turnover operation,” Proceedings of the First International Conference on Mechanical Engineering, Shanghai, China, No. 163, Nov. 2000No. 163, Nov. 2000