Results 41 to 50 of about 17,066 (292)

Computational Modeling of Flexoelectricity—A Review

Energies, 2020
Electromechanical coupling devices have been playing an indispensable role in modern engineering. Particularly, flexoelectricity, an electromechanical coupling effect that involves strain gradients, has shown promising potential for future miniaturized ...
Xiaoying Zhuang, Binh Huy Nguyen, Subbiah Srivilliputtur Nanthakumar, Thai Quoc Tran, Naif Alajlan, Timon Rabczuk   +5 more
doaj   +1 more source

Research on Effective Electric-Mechanical Coupling Coefficient of Sandwich Type Piezoelectric Ultrasonic Transducer Using Bending Vibration Mode

Advances in Mechanical Engineering, 2015
An analytical model on electromechanical coupling coefficient and the length optimization of a bending piezoelectric ultrasonic transducer are proposed. The piezoelectric transducer consists of 8 PZT elements sandwiched between four thin electrodes, and ...
Qiang Zhang, Shengjun Shi, Weishan Chen
doaj   +1 more source

Electromechanical Coupling Modeling in Permanent Magnet AC Servo-Driven Precision Gear Transmission System [PDF]

, 2011
Electromechanical coupling effect must be considered in the dynamic analysis of permanent magnet AC servo-driven precision gear transmission system.
Xiao An Chen, Wei Zhou, Li Hong Lin
core   +1 more source

Kinematic-mapping-model-guided analysis and optimization of 2-PSS&1-RR circular-rail parallel mechanism for fully steerable phased array antennas

Defence Technology
This paper presents a systematic methodology for analyzing and optimizing an innovative antenna mount designed for phased array antennas, implemented through a novel 2-PSS&1-RR circular-rail parallel mechanism.
Guodong Tan, Xiangfei Meng, Xuechao Duan, Lulu Cheng, Dingchao Niu, Shuai He, Dan Zhang   +6 more
doaj   +1 more source

Hydroxyl Group and Vasorelaxant Effects of Perillyl Alcohol, Carveol, Limonene on Aorta Smooth Muscle of Rats

Molecules, 2018
The present study used isometric tension recording to investigate the vasorelaxant effect of limonene (LM), carveol (CV), and perillyl alcohol (POH) on contractility parameters of the rat aorta, focusing in particular on the structure-activity ...
Ana Carolina Cardoso-Teixeira, Francisco Walber Ferreira-da-Silva, Dieniffer Peixoto-Neves, Klausen Oliveira-Abreu, Átila Pereira-Gonçalves, Andrelina Noronha Coelho-de-Souza, José Henrique Leal-Cardoso   +6 more
doaj   +1 more source

Research on a Multilayer Two-Dimensional Equivalent Thermal Analysis Method for an Integrated Transmitting Antenna Cold Plate

Energies
This study proposes a multilayer equivalent thermal analysis method, based on flow boundary layer theory, considering the computational problem of three-dimensional (3D) conjugate heat transfer analysis of a transmitting antenna cold plate.
Sihao Qian, Shunxi Lou, Wei Wang, Xiwei Tian   +3 more
doaj   +1 more source

Dual-Band Dual-Beam Shared-Aperture Reflector Antenna Design with FSS Subreflector

Sensors
In this study, a dual-band dual-beam shared-aperture reflector antenna based on a Cassegrain configuration is designed using a frequency-selective surface (FSS) subreflector.
Qunbiao Wang, Peng Li, Guodong Tan, Yiqun Zhang, Yuanxin Yan, Wanye Xu, Paolo Rocca   +6 more
doaj   +1 more source

Assessment of piezoelectric layers and boundary conditions influence on the behaviour of hybrid composite plates with different layups [PDF]

Biuletyn Wojskowej Akademii Technicznej, 2015
In the present paper, six-layer hybrid composite panels, made of four-layered laminate and two facings of piezoelectric material were studied. Different configurations of laminate layers and different boundary conditions were considered.
Andrzej Teter, Jarosław Gawryluk
doaj   +1 more source

Large deflection analysis of circular piezoelectric micro-actuator with flexoelectric effect

Scientific Reports, 2023
At micro/nano scale, the stiffening effect and flexoelectric effect of strain gradient play important roles in the electromechanical coupling response of piezoelectric micro-components.
Xue Ji
doaj   +1 more source

Ultrastrong coupling between electron tunneling and mechanical motion

Physical Review Research, 2022
The ultrastrong coupling of single-electron tunneling and nanomechanical motion opens exciting opportunities to explore fundamental questions and develop new platforms for quantum technologies. We have measured and modeled this electromechanical coupling
Florian Vigneau, Juliette Monsel, Jorge Tabanera, Kushagra Aggarwal, Léa Bresque, Federico Fedele, Federico Cerisola, G. A. D. Briggs, Janet Anders, Juan M. R. Parrondo, Alexia Auffèves, Natalia Ares   +11 more
doaj   +1 more source