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检索条件"任意字段=2012全国压电和声波理论及器件技术研讨会"

共 424 条记录，以下是31-40 订阅

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TOPOLOGY OPTIMIZATION OF TWO-DIMENSIONAL PHONONIC CRYSTALS USING FEM AND GENETIC ALGORITHM

TOPOLOGY OPTIMIZATION OF TWO-DIMENSIONAL PHONONIC CRYSTALS U...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Hao-wen DONG Xiao-xing SU Yue-sheng WANG Institute of Engineering Mechanics Beijing Jiaotong University School of Electronic and Information Engineering Beijing Jiaotong University

Phononic crystals(PnCs) can be designed to control and confine elastic *** present and use the optimization algorithm based on the two-stage genetic algorithm(GA) and the finite element method(FEM) to carry out the ba... 详细信息

关键词： Phononic crystals Topology optimization FEM GA Band gap

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INFLUENCE OF CURVATURE ON MAGNETOELECTRIC EFFECT OF THREE-LAYERED PIEZOELECTRIC/PIEZOMAGNETIC COMPOSITE CYLINDER

INFLUENCE OF CURVATURE ON MAGNETOELECTRIC EFFECT OF THREE-LA...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Yong-kang WEI Hui-ming WANG Long ZOU Department of Engineering Mechanics Zhejiang University

This paper focuses on the influence of the curvature on magnetoelectric effect of the piezoelectric(PE)/piezomagnetic(PM)three-layered composite ***,we set up a PE/PM three-layered composite cylinder ***,the governing equations for PE and PM layers are ***,we carry out the numerical studies of the magnetoelectric effect for harmonic driving case based on the obtained solutions.

关键词： Piezoelectric(PE) Piezomagnetic(PM) Magnetoelectric(ME) effect PE/PM three-layered composite cylinder

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SH WAVES IN FUNCTIONALLY GRADED PIEZOELECTRIC-PIEZOMAGNETIC MATERIAL STRUCTURES

SH WAVES IN FUNCTIONALLY GRADED PIEZOELECTRIC-PIEZOMAGNETIC ...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Ruo-meng TIAN Yan-ping KONG Jin-xi LIU Department of Engineering Mechanics Shijiazhuang Tiedao University Institute of Engineering Mechanics Beijing Jiaotong University

In this paper,we analyze SH waves propagating in the layered structure consisting of a functionally graded piezoelectric(PE) layer and a piezomagnetic(PM) half-space,where the surface of the PE layer is electrically and magnetically *** solution of the coupled fields and the dispersion relation are *** numerical results are given to show the effect of the gradient coefficient and thickness of a PE layer on the SH waves propagation.

关键词： Functionally graded material piezoelectric material piezomagnetic material SH waves Dispersion relation

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SH WAVE PROPAGATION IN A LAYERED MAGNETO-ELECTRIC HOLLOW CYLINDER

SH WAVE PROPAGATION IN A LAYERED MAGNETO-ELECTRIC HOLLOW CYL...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Yong-dong PAN Zheng ZHONG Kao-shan DAI School of Aerospace Engineering and Applied Mechanics Tongji University School of Civil Engineering Tongji University

In this paper,the SH wave propagation in a layered magneto-electric hollow cylinder is *** wave equations and system matrices for state vector are obtained for SH wave propagating along the circumferential *** is found that the propagation of SH wave is coupled to the electric and magnetic *** zero-order mode SHO is non-dispersive under the electrically open boundary,while it is dispersive under the electrically closed boundary,and it is the same for the piezomagnetic material.

关键词： Piezoelectric Piezomagnetic Hollow cylinder Wave propagation Dispersion

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ANALYSIS ON THE PULL STRENGTH'S CALCULATION METHOD DURING THE CONSTRUCTION OF OIL PIPELINE DIRECTIONAL DRILLING CROSSING THE YELLOW RIVER AND IMPROVEMENT

ANALYSIS ON THE PULL STRENGTH'S CALCULATION METHOD DURING TH...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Shi-qi XU Bin LUO Jun CHENG Yuan-tai HU College of Petroleum Engineering Xi'an Shiyou University Department of Mechanics Huazhong University of Science and Technology

This paper reviewed the methods,which calculate the pull strength during directional drilling crossing construction of oil pipeline,both at home and *** based on the analysis of these methods,the detailed research was *** the same time,considering the peculiarity of this channel geologic structure and the technological requirements,the method,averaged standard method and unloading arch method,was given to calculate the maximal pull *** is practiced that,this method is instructive and meaningful to the directional drilling crossing construction.

关键词： directional drilling crossing pull strength pipeline laying

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A HIGHER ORDER ZIGZAG THEORY FOR MAGNETOELECTRIC COMPOSITE BEAMS

A HIGHER ORDER ZIGZAG THEORY FOR MAGNETOELECTRIC COMPOSITE B...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Long ZOU Hui-ming WANG Department of Engineering Mechanics Zhejiang University

The third-order approximation is employed to analyze the magnetoelectric composite *** axial displacement,the electric and magnetic potentials are assumed as piecewise linear function along the thickness-direction of the *** the conditions of zero transverse shear stress at the top and bottom surfaces and the continuity conditions at the interfaces,the expressions of the displacement can be obtained *** transverse displacement accounts for the piezoelectric and piezomagnetic *** governing equations are derived by using the variational *** present theory provides an efficient way in analyzing the magnetoelectric beams.

关键词： Zigzag theory Magnetoelectric Composite beam Variational principle

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AN IMPERMEABLE CIRCULAR-ARC CRACK IN AN ELECTROSTRICTIVE MATERIAL

AN IMPERMEABLE CIRCULAR-ARC CRACK IN AN ELECTROSTRICTIVE MAT...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Shi-juan WANG Cun-fa GAO State Key Laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics & Astronautics

The two-dimensional problem of an impermeable circular-arc crack in an infinite electrostrictive solid subjected to pure electric loads at infinity is *** on Muskhelisvili's theory,explicit solutions are obtained for an impermeable crack by taking Maxwell stress and electrical body force into *** model used in this paper shows that there is more than one singularity in pseudo total stress at the crack *** addition,numerical results are given to discuss the effects of electric field and central angle on the stress intensity factor.

关键词： Electrostrictive Muskhelisvili's theory Circular-arc crack

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PGC MODULATION BASED ON PZTFOR FIBER INTERFEROMETERIC SENSOR

PGC MODULATION BASED ON PZTFOR FIBER INTERFEROMETERIC SENSOR

引用

2012全国压电和声波理论及器件技术研讨会

作者： De-sheng CHEN Xiao-di HUANG Hai-bin WANG Lei JIANG Institute of Acoustics Chinese Academy of Sciences

The phase generated carrier(PGC) modulation-demodulation technique is the main demodulation technique for fiber interferometric *** are two methods to realize PGC *** method is inner modulation,and the other is external ***,there is less study on the PGC external modulation than the PGC inner *** this paper,we focus on the PGC external modulation to analyze its *** experiment results indicate that the external demodulation performs ***,its cost is much lower than that of inner modulation.

关键词： PZT PGC Modulation Fiber Sensor

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FREE VIBRATION OF FIXED SUPPORTED AND MULTILAYERED MAGNETO-ELECTRO-ELASTIC PLATES

FREE VIBRATION OF FIXED SUPPORTED AND MULTILAYERED MAGNETO-E...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Li-bo XIN Zhen-dong HU School of Aerospace Engineering and Applied Mechanics Tongji University

Semi-analytical finite element method is applied to study the free vibration of multilayered,anisotropic magneto-electro-elastic plates.A series solution is assumed in the plane to satisfy the fixed boundary *** finite element procedure is adopted across the thickness of the *** the finite element model is derived based on the constitutive equation of magneto-electro-elastic *** components,electric potential and magnetic potential is taken as the nodal degree of *** numerical results are compared with the solutions in *** influence of magnetic-electro-elastic properties are studied.

关键词： Finite element method Magneto-electro-elastic plate Free vibration Multilayered

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PROPAGATION OF BLEUSTEIN-GULYAEV WAVE IN A PIEZOELECTRIC CRYSTAL IN CONTACT WITH VISCOUS CONDUCTIVE LIQUIDS

PROPAGATION OF BLEUSTEIN-GULYAEV WAVE IN A PIEZOELECTRIC CRY...

引用

2012全国压电和声波理论及器件技术研讨会

作者： Feng-lin GUO Guo-qing WANG Department of Engineering Mechanics Shanghai Jiaotong University

In this work we studied propagation of B-G wave in a piezoelectric crystal of hexagonal symmetry in contact with viscous conductive *** dispersion relations are derived for both the metallized and exact electrical solid/liquid interface *** is found that acoustoelectric coupling and viscosity significantly affect acoustic wave propagation properties at a solid/liquid *** study provides essential data and theoretical foundation for the design and development of liquid phase sensors and biosensors.

关键词： Bleustein-Gulyaev wave Liquid sensing Acoustoelectric coupling Dispersion relations

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