Faculty Directory
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Education
Ph.D. | Civil Engineering, Georgia Institute of Technology (2010) |
M.S. | Civil Engineering, Georgia Institute of Technology (2006) |
B.S. | Civil Engineering, Georgia Institute of Technology (2005) |
Work Experience
2018.10 – present | Tenured Associate Professor at UM-SJTU JI |
2019.1 – 2019.5 | Invited Professor at the University of Michigan, Ann Arbor |
2014.8 – 2018.10 | Assistant Professor at UM-SJTU JI |
2012.8 – 2014.8 | Assistant Research Scientist at the UM-SJTU Joint Institute |
2010.1 – 2012.8 | Senior Research Engineer at Materials Technologies Corporation, Atlanta, GA |
2010.1 – 2011.5 | Postdoctoral Fellow at Georgia Institute of Technology |
Research Interests
- Mechanisms, robotics, and machine design with compliant mechanisms
- Structural design and optimization, e.g. composite battery case design for electronic vehicles
- Computational and experimental mechanics
- Reconfigurable manufacturing and advanced composites manufacturing system development
- Rehabilitation engineering through composite orthoses and mechanism design
Publications
- Qaiser, Z., Yang, K., Rui, C., Johnson, S., “ Design and Optimization of an Extended Multi-actuated Optimized Reconfigurable Freeform Surface (e-MORFS) Mold. IEEE Transactions on Mechatronics. (Submitted June 2023)
- Ou, H., Johnson, S., 2022, “Boosting energy return using 3D printed midsoles designed with compliant constant force mechanisms,” ASME: Journal of Mechanical Design. (Submitted Nov, 2022).
- Yaru, M., Qaiser, Z., Siwei, Y., Johnson, S., 2022, “Structural and winding sequence optimization of Coreless Filament Wound composite lattice structures,” International Journal of Advanced Manufacturing Technology. (Accepted April, 2023)
- Qaiser, Z., Rehman, T., Johnson, S., 2023, “Slenderness tuning to adjust and regulate constant force mechanism (STAR-CFM),” Mechanism and Machine Theory, 186, p. 10351.
- Fatemeh, F., Ou, H., Johnson, S., 2022. “Smart passive gait retraining through plantar pressure redistribution from discomfort,” Journal of Medicine in Novel Technology and Devices. Accepted May 2023.
- Zhang, L., Hong, L., Dhupia, J., Johnson, S., Qaiser, Z., Zhou, Z., 2022, “A Novel semi-active tuned mass damper with a continuously tunable stiffness,” Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 2022;0(0). doi:10.1177/09544062221119925. (SCIE/SSCI, IF=1.758), Citations=1
- Ou, Haihua, Gates, D., Johnson, S., Djurdjanovic, D., 2022, “Model-based Fusion of Surface Electromyography with Kinematic and Kinetic Measurements for Monitoring of Muscle Fatigue”. International Journal of Prognostic Health Management. Vol 13 (2), pp. 1-12. https://doi.org/10.36001/ijphm.2022.v13i2.3132
- Rehman, T., Ou, H., Qaiser, Z., Johnson, S. 2022, “Exploring and exploiting path based design optimization of a constant force mechanism” Mechanism and Machine Theory, vol. 176, 104976. https://doi.org/10.1016/j.mechmachtheory.2022.104976
- Ou, H., Yi, H., Qaiser, Z., Johnson, S., 2022, “Structural optimization of constant force mechanisms with large energy storage,” ASME Journal of Mechanism and Robotics, 15(2): 021008. https://doi.org/10.1115/1.4054766
- Qaiser, Z., Yang, K., Chen, R., Ou, H., Faraz, A., Johnson, S., 2022, “Feasibility study of a novel Multi-actuated Optimized Reconfigurable Freeform Surface (MORFS) mold,” International Journal of Advanced Manufacturing Technology. https://doi.org/10.1007/s00170-022-08948-0
- Yaru, M., Qaiser, Z., Ou, H., Johnson, S., 2021 “A Reconfigurable and Adjustable Compliance System for the Measurement of Interface Orthotic Properties,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 29:pp. 1886-1894. doi: 10.1109/TNSRE.2021.3109977.
- Qaiser, Z., Faraz, A., and Johnson, S., 2020, “Feasibility Study of a Rapid Evaluate and Adjust Device (READ) for Custom Foot Orthoses Prescription,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 28, no. 8, pp. 1760-1770, Aug. 2020, doi: 10.1109/TNSRE.2020.3007668.
- Qaiser, Z., Johnson, S., 2019, “Generalized Spiral Spring (GSS): A bioinspired tunable stiffness mechanism (TSM) for linear response with high resolution.” ASME: Journal of Mechanisms and Robotics, 1-32. doi: https://doi.org/10.1115/1.4045654
- Johnson, S., Kang, L., Ou H., Qaiser, Z., Mascort, J., 2019, “Automated Box Buckling Strength Analyses with Finite Element Modeling,” Advances in Graphic Communication, Printing and Packaging, Lecture Notes in Electrical Engineering. (2019) 660-665, https://doi.org/10.1007/978-981-13-3663-8_89
- Ou, H., Su, J., Lan, S., Wang, L., Xu, X., Johnson, S., 2019, “Development of a simplified, reproducible, parametricJohnson, 3D model of the talus.” Medical Engineering and Physics, 71: 3-9. doi.org/10.1016/j.medengphy.2019.06.022
- Rehman, T., Qaiser, Z., Johnson, S., 2019, “Bistable composites with tunable bifurcation loads through tunable stiffness mechanisms” Mechanism and Machine Theory. (EI, SCI), 142:103585. doi.org/10.1016/j.mechmachtheory.2019.103585
- Jafari, A., Johnson, S., 2019, “The inherent power efficiency of continuous tunable stiffness mechanisms,” Mechanism and Machine Theory, (EI, SCI). 135 (2019) 208–224. doi.org/10.1016/j.mechmachtheory.2019.02.002.
- Qaiser, Z., Kang, L., Ou, H., Johnson, S., 2018, “e-Spring: A novel bending to axial Tunable Stiffness Mechanism” Mechanism and Machine Theory. (EI, SCI), 128, 368-381.
- Ou, H., Zhan, P., Kang, L., Su, J., Hu, X., Johnson, S., 2018, “Region-specific constitutive modeling of the plantar soft tissue,” Biomechanics and Modeling Mechanobiology, (2018) 17:1373–1388. https://doi.org/10.1007/s10237-018-1032-9.
- Ou, H., Qaiser, Z., Kang, L., and Johnson, S., 2018, “Effect of skin on finite element modeling of foot and ankle during balanced standing,” Journal of Shanghai Jiaotong University (Science), 23 (1): 132-137.
- Farhadi, F., Faraz, M., Heng, M., Johnson, S., 2018, “Experimental and Computational Characterization of the First Metatarsalphalangeal joint,” ASME Journal of Biomechanical Engineering. 140 (10): 104501. . doi: 10.1115/1.4040248.
- Lan S., Cui, C., Liu, X, Johnson, S., Su, J., Chen, B., Wang, L., 2017, “Separation and Visualization of Arteries and Heart in 3D Computed Tomography Angiography Images,” Journal of Shanghai Jiaotong University (Science) 22(1):1-9.
- Ou, H., Qaiser, Z., Kang, L., and Johnson, S., 2017, “Experimental and computational analysis of orthotic medial longitudinal arch support height,” Footwear Science, 9(sup1), pp. S1-S2.
- Qaiser, Z., Kang, L., Johnson, S., 2016 “Design of a Bioinspired Tunable Stiffness Robotic Foot,” Mechanism and Machine Theory. 110, 1-15. DOI: 10.1016/j.mechmachtheory.2016.12.003.
- Jafari, S.S., Rashidi, M.M., Johnson, S., 2016, “Analytical Approximation of Nonlinear Vibration of Euler-Bernoulli Beams,” Latin American Journal of Solids and Structures, 13 (7), 1250-1264. http://dx.doi.org/10.1590/1679-78252437
- Johnson, S., Kang, L., Akil, H., 2016 “Mechanical Behavior of Jute Hybrid Bio-Composites,” Composites Part B: Engineering, 91, 83-93. http://dx.doi.org/10.1016/j.compositesb.2015.12.052.
- Qaiser, Z., Qureshi, O., Johnson, S., 2016, “Thin walled circular beams with sinusoidal embedded patterns under axial impacts,” Thin Walled Structures, 99: 76-82. DOI: http://dx.doi.org/10.1016/j.tws.2015.11.005.
- Rashidi, M., Johnson, S., Zhigang, Y., 2015, “Theoretical Study of Moving Magnetic Beads on an Inclined Plane and its Application in the Ratchet Separation Technique,” Journal of Magnetism and Magnetic Materials, 398, 13-19. DOI: 10.1016/j.jmmm.2015.08.124.
- Johnson,S., Popil, R., 2015, “Corrugated Board Bonding Defect Characterization,” International Journal ofAdhesion and Adhesives. * 59(2015) 105-114. DOI: 10.1016/j.ijadhadh.2015.02.03.
- Jafari, S., Rashidi, M., Johnson, S., 2014, “Analytical Solution of the Nonlinear Vibration of Euler-Bernoulli Beams via the Homotopy Analysis Method and Differential Transform Method,” International journal of Applied Mathematics and Mechanics, 10 (9): 96-110.Johnson, 6
- Johnson, S., Ou, H., 2014, “Effects of boundary conditions on foot behavior in the standing position in 3D finite element foot model,” Journal of Foot and Ankle Research, 7 (1): A38.
- Johnson, S., 2014, “Thermoelastic Stress Analysis for Detecting and Characterizing Static DamageInitiation in Composite Lap Shear Joints,” Composites Part B: Engineering, 56, 740-748.
- Johnson, S., Wei, B.S., Haj-Ali, R., 2010, “A Stochastic Fatigue Damage Model for Composite Single Lap Shear Joints Based on Markov Chains and Thermoelastic Stress Analysis,” Fatigue and Fracture of Engineering Materials and Structures 33 (12) 897-910.
- Wei, B.S., Johnson, S., Haj-Ali, R, 2009, “A Stochastic Fatigue Damage Method for Composite Materials Based on Markov Chains and Infrared Thermography,” International Journal of Fatigue 32 (2) 350-360.
- Haj-Ali, R., Wei, B.S., Johnson, S. and El-Hajjar, R., 2007, “Thermoelastic and Infrared-Thermography Methods for Surface Strains in Cracked Orthotropic Composite Materials,” Engineering Fracture Mechanics (EI, SCI), 75 (1) 58-75.
Teaching
- Vg100 Introduction to Engineering
- Vm211 Statics and Mechanics of Materials
- Vk250 Materials Science and Engineering
- Vm382 Mechanics of Materials
- Vm418 Mechanics of Composite Materials
- Vm450 Capstone Design
Honors and Awards
- 2022 ASME: Journal of Mechanisms and Robotics, Best Paper Award (honorable mention)
- 2020 SJTU Education Award, Presented by Shanghai Jiao Tong University
- 2015 Candle Light Teaching Award, Presented by Shanghai Jiao Tong University
- 2005 Graduated with Highest Honor, Georgia Institute of Technology
- 2005 Presidents Undergraduate Research Award, Presented by Georgia Institute of Technology