声子晶体

复式BN结构固/气型声子晶体的带隙研究

Study on the Band Gaps of Complex BN Lattice Phononic Crystals with Solid / Air System

本文，我们利用平面波展开法构建了二维声子晶体的理论计算模型，详细地研究了平面波展开法的理论和算法，并采用Matlab高级编程语言对其进行了独特、有效的执行。

In this dissertation , the plane-wave expansion method ( PWM ) is developed for the 2D phononic crystals ' modeling and simulation . The theory and algorithm of PWM are studied in detail and implemented by Matlab in a unique and efficient approach .

用FDTD与高分辨率谱估计相结合计算二维声子晶体的能带

Two-dimensional Phononic Energy Bands Calculations by FDTD Combined with High-resolution Spectral Estimation

二维钢管阵列声子晶体带隙结构的研究薄膜晶体管，有源矩阵lcd

Search of Phononic Crystal Band-Gap about the Array of 2D Steel Tube TFT thin film transistor

介绍了计算二维正方点阵液态声子晶体带隙的PWM法。

PWM is introduced to calculate the phononic band gaps for two ? dimensional liquid phononic crystals with square lattices .

正方点阵上Fibonacci超元胞声子晶体的带结构

Band structure of phononic crystal constructed by Fibonacci super-cell on square lattice

声子晶体（phononiccrystal）是一种具有周期性结构并呈现弹性波禁带的功能材料。

Phononic crystal ( PC ) is a kind of functional materials with periodic structures which exhibit acoustic or elastic wave band gaps ( BGs ) .

发现二维声子晶体薄板存在振动带隙，但是与二维声子晶体xy模态的能带结构有区别。

The composite materials thin plate exhibiting vibration band gap is found . But it is different from the xy mode band structure of two-dimensional phononic crystals .

在第五章，基于简单晶格声子晶体的层多重散射理论，我们给出了复杂晶格声子晶体的层多重散射理论，然后由此计算了NaCl型声子晶体的声学特性。

In Chapter five , from the original theory for the phononic crystal with simple lattice , we propose a new kind of layer multiple-scattering theory which can handle the phononic crystal with complex lattice . Then the properties of NaCl-type phononic crystals are derived .

在已提出的声子晶体计算方法中，平面波展开法（PWE）提出得最早、应用最广。

Among several theoretical methods proposed for phononic crystals , the plane wave expansion method ( PWE ) is the one that is proposed first and is used most commonly .

文章从理论和实验上研究了二维三角晶格声子晶体第二能带具有回波（backward-wave）效应的负折射现象。

Acoustic negative refraction with backward-wave ( BW ) effects have been both theoretically and experimentally established in the second band of a two-dimensional ( 2D ) triangular sonic crystal .

本文针对含有磁致伸缩材料的杆状声子晶体，对其纵波禁带特性进行了系统的研究；同时也给出了考虑界面效应的情况下，SH波在层状磁电弹声带隙材料中传播时的色散方程。

In this thesis , the longitudinal wave band gap characteristics of phononic crystal containing with magnetostrictive material are studied systematically ; as the SH wave propagates in the laminated magneto-electro-elastic phononic crystal , the dispersive relations for the imperfect and perfect interface are given .

声子晶体的这种弹性波带隙（振动带隙）特性为减振技术的发展提供了一种新的可能。

This property provides new prospects for technology of vibration attenuation .

方柱转动情况下二维声子晶体的声波带隙结构

Acoustic band gaps of two-dimensional phononic crystal with rotating square rods

并列型双组分纤维结构二维粗锐结构声子晶体带结构的计算

Band Structure Calculations of Two-dimensional Phononic Crystal with Wide-sharp Structural Scatterers

介质吸收对一维声子晶体禁带的影响

Effect of Medium Absorption on the One-dimensional Photonic Crystal Forbidden Band

多层介质的转移矩阵及其在声子晶体中的应用

The transfer matrix of multilayer and its application in photonic crystal

二维正方点阵液态声子晶体的带隙计算

Band Gap Calculation for Two-dimensional Liquid Phononic Crystals with Square Lattices

二维声子晶体能带带隙与对称群的关系

Dependence of Acoustic Band-gaps in Two-dimensional Phononic Crystals on Symmetric Groups

声子晶体；振动带隙；晶格；对称性；原胞；

Phononic crystals Vibration band gap Crystal lattice Symmetry Primitive cell ;

声子晶体是一种具有声波带隙特性的新型功能材料。

Phononic crystal is a novel functional material with acoustic band-gaps .

二维声子晶体带隙结构的实验研究

The Experimental Study on Band Gap Structure of Two-Dimensional Phononic Crystals

声子晶体中第二能带的回波负折射

Acoustic backward-wave negative refraction in the second band of a sonic crystal

基于集中质量法的一维声子晶体弹性波带隙计算

Lumped-mass method on calculation of elastic band gaps of one-dimensional phononic crystals

中间包层对声子晶体禁带结构的影响

The Influence of Coating Layer on band gap structures of sonic crystals

二维声子晶体带结构及传输特性研究

Investigation on the Band Structure and Transmission Properties of Two-Dimensional Phononic Crystal

基于振动与噪声控制的声子晶体研究进展

Review of Phononic Crystals Based Control of Noise and Vibration

多组声子晶体复合结构的隔声性能

Sound isolation of composite structure consisting of multi phononic crystals

二维嵌套复式结构声子晶体的带隙研究

Study on the Band Gaps of 2D Nesting Complex Structure Phononic Crystal

椭球三维液态声子晶体完全声波禁带研究

Complete acoustic band gaps for cuboid arrays of liquid ellipsoids