Cai, Shengqiang - University of California, San Diego - Department of Mechanical and Aerospace Engineering

个人简介

Prof. Cai was a postdoctoral fellow at the Massachusetts Institute of Technology from 2011 to 2012. He earned a Ph.D. in mechanical engineering from Harvard University in 2011, after earning a master’s of engineering and a bachelor’s of science from the University of Science and Technology of China.

研究领域

Mechanics of Soft Materials; Electro-chemo-mechanics of Solids; Mechanics of Energy Materials;Bio-inspired Design and Bio-mechanics; 3D Fabrications In response to a stimulus, soft materials, such as hydrogels and elastomers, can deform dramatically. This deformation provides most of their functions. Cai and his colleagues have formulated theories to better understand the interplay of mechanics and other fields, including chemistry, electric field and temperature, in soft materials. He has also studied several ways of using soft active materials to convert energy in different forms. Cai is currently investigating how to design and optimize structures made of soft materials to provide diverse functions, including harvesting energy, regulating fluid and desalinating salt water. He is also looking into using the mechanical instability phenomena associated with large deformation in soft materials to guide electromagnetic waves and provide other functions.

近期论文

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He Q, Wang Z, Wang Y, Minori A, Tolley MT, Cai S. Electrically controlled liquid crystal elastomer-based soft tubular actuator with multimodal actuation. Sci Adv. 2019 Oct; 5(10):eaax5746. PMID: 31646178. Song Z, Ni Y, Cai S. Fracture modes and hybrid toughening mechanisms in oscillated/twisted plywood structure. Acta Biomater. 2019 Jun; 91:284-293. PMID: 31028909. Wang Z, He Q, Wang Y, Cai S. Programmable actuation of liquid crystal elastomers via"living" exchange reaction. Soft Matter. 2019 Apr 07; 15(13):2811-2816. PMID: 30882126. Wang Z, Li K, He Q, Cai S. A Light-Powered Ultralight Tensegrity Robot with High Deformability and Load Capacity. Adv Mater. 2019 Feb; 31(7):e1806849. PMID: 30575156. Ahn C, Li K, Cai S. Light or Thermally Powered Autonomous Rolling of an Elastomer Rod. ACS Appl Mater Interfaces. 2018 Aug 01; 10(30):25689-25696. PMID: 29990426. Jiang Y, Liang X, Guo M, Cao Y, Cai S. Fracture mechanics modeling of popping event during daughter cell separation. Biomech Model Mechanobiol. 2018 Aug; 17(4):1131-1137. PMID: 29748837. Su AW, Chen Y, Dong Y, Wailes DH, Wong VW, Chen AC, Cai S, Bugbee WD, Sah RL. Biomechanics of osteochondral impact with cushioning and graft Insertion: Cartilage damage is correlated with delivered energy. J Biomech. 2018 05 17; 73:127-136. PMID: 29628132. Sun B, Wang Z, He Q, Fan W, Cai S. Porous double network gels with high toughness, high stretchability and fast solvent-absorption. Soft Matter. 2017 Oct 04; 13(38):6852-6857. PMID: 28837202. Kang J, Wang C, Cai S. Cavitation to fracture transition in a soft solid. Soft Matter. 2017 Sep 27; 13(37):6372-6376. PMID: 28868551. Su AW, Chen Y, Wailes DH, Wong VW, Cai S, Chen AC, Bugbee WD, Sah RL. Impact insertion of osteochondral grafts: Interference fit and central graft reduction affect biomechanics and cartilage damage. J Orthop Res. 2018 01; 36(1):377-386. PMID: 28682003. Wingert MC, Kwon S, Cai S, Chen R. Fluid-like Surface Layer and Its Flow Characteristics in Glassy Nanotubes. Nano Lett. 2016 12 14; 16(12):7545-7550. PMID: 27798834. Liang X, Tao F, Cai S. Creasing of an everted elastomer tube. Soft Matter. 2016 Sep 20; 12(37):7726-7730. PMID: 27722731. Cai S. Bending a beam by a generalized ideal elastomeric gel. Proc Math Phys Eng Sci. 2015 Mar 08; 471(2175):20140919. PMID: 25792965.