...Yi Liu; Chunbo Zhang; Hang Yang; Enlai Gao Poisson's ratios of diamond-like structures, such as cubic C, Si, and Ge, have been widely explored because of their potential applications in solid-state devices. However, the theoretical bounds on the Poisson's ratios of diamond-like structures remain...

.... Such understanding provides guidance for tailoring material and geometry as well as loading of the wrinkled surfaces for different applications. Email: tzhang48@syr.edu 28 05 2023 01 06 2023 02 06 2023 07 06 2023 elasticity structures Directorate for Engineering 10.13039...

...Jian Zhao; Qifeng Fang; Jian Zhang; Yu Huang; Hongyu Wang; Pengbo Liu Multistable structures can maintain multiple steady states without additional loads. However, the presence of geometric and material nonlinearities in multistable structures adds complexity and difficulty to their optimal design...

...Bingen (Ben) Yang; Hao Gao Combined systems, which are flexible structures carrying moving subsystems, are seen in many applications. Due to structure-subsystem interactions, the structure in a combined system encounters jump discontinuities in its internal forces (such as the bending moment...

...Yunfei Liu; Zhaoye Qin; Fu-Lei Chu This study aims to improve the impact protection performance of composite structures by combining a honeycomb core with negative Poisson's ratio and graphene platelets reinforced (GPR) face sheets. The paper investigates the nonlinear repeated low-velocity impact...

...Xiwei Wu; Jianxun Zhang Metal tube is a traditional energy-absorbing structure, and metal foam is a lightweight material with advantages, i.e. high energy absorption and high specific strength. The foam-filled square tube can improve the crashworthiness and has better energy absorption, which...

...Zhi Zhao; Chao Wang; Xiaojia Shelly Zhang Buckling, a phenomenon historically considered undesirable, has recently been harnessed to enable innovative functionalities in materials and structures. While approaches to achieve specific buckling behaviors are widely studied, tuning these behaviors...

... piezoelectric coefficients, as marked by the gray boxes. ( b ) The spatial orientation of the struts in the 8-strut structure is determined by θ and φ , which is designed to map the electrical displacement of the 8-strut under different macroscopic stresses. (a) The piezoelectric matrix contains...

...Nicos Makris Evidence from cyclic tests on metals, elastomers, and sandy soils reveals that damping forces are nearly rate-independent and structural (hysteretic or rate-independent) damping was widely adopted since the 1940s. While there is no time-domain constitutive equation for a linear spring...

...: cooley@oakland.edu dynamics structures vibration References [1] Kornbluh , R. D. , Pelrine , R. , Joseph , J. , Heydt , R. , Pei , Q. , and Chiba , S. , 1999 , “ High-Field Electrostriction of Elastomeric Polymer Dielectrics for Actuation ,” Smart...

... computational mechanics elasticity mechanical properties of materials stress analysis structures Friction models are phenomenological in nature and comprise parameters that can be matched to experimental data. The fit of experimental data to the friction model determines the fidelity...

... inner < Δ outer reveals that the inner torus is stronger or stiffer than the outer one under same loadings, and the geometric reason behind this phenomena is that the Gaussian curvature of the inner torus is negative, while the outer’s Gaussian curvature is positive. Therefore, from structural...

...Jize Dai; Lu Lu; Sophie Leanza; John Hutchinson; Ruike Renee Zhao Ring origami has emerged as a robust strategy for designing foldable and deployable structures due to its impressive packing abilities achieved from the snap-folding mechanism. In general, polygonal rings with rationally designed...

... cortical folding computational mechanics structures Directorate for Computer and Information Science and Engineering 10.13039/100000083 IIS 1850102 Directorate for Engineering 10.13039/100000084 CMMI 2144412 Layered materials can become unstable under compressive strain...

... that involves frictional contact is car crash, where the structural members self-contact, buckle, and slide past each other, exhibiting finite deformations and dissipating impact energy. On the interface modeling side, more recently, the mechanical response of layered architected structures has gained much...

... repeatability and linearity, several sensors with contact-resistance-free structures are proposed. However, due to the different geometric layouts of the conductive materials and the insulating substrates, the patterning of these sensors requires multiple processes including photolithography and etching, which...

...Jianzhong Zhao; Huijie Cao; Yumeng Shuai Vibration of micro-electromechanical systems (MEMS) is of growing interest for applications in vibration measurements, vibration energy harvesters, and vibration sensors. Among the structures and devices reported, a class of 3D structures formed...

... to harvesting energy from various living subjects. This optimal design can be extended to other types of mechanical energy harvesters with a similar laminated structure. In practice, the measured voltages depended on not only the capacitance and resistance of the FPEH but also the capacitance and resistance...

... of Curvature on the Buckling Characteristics of Structures ,” J. Aeronaut. Sci. , 7 ( 7 ), pp. 276 – 289 . 10.2514/8.1123 [5] Koiter , W. T. , 1945 , “ Over de stabiliteit van het elastisch evenwicht ,” Ph.D. thesis, Delft University of Technology , Delft, The Netherlands . [6...

... for publication in the J ournal of A pplied M echanics . 07 11 2022 03 02 2023 03 02 2023 22 02 2023 buckling computational mechanics elasticity experimental mechanics structures Buckling is one of the most important physical phenomena in structural engineering, often...