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检索条件："关键词=quadrature "
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Nonlinear analysis on electrical properties in a bended composite piezoelectric semiconductor beam
《Applied Mathematics and Mechanics(English Edition)》2023年第12期2039-2056,共18页Luke ZHAO Feng JIN Zhushan SHAO Wenjun WANG 
Project supported by the National Natural Science Foundation of China(No.12072253)。
In this paper,the interactions between the transverse loads and the electrical field quantities are investigated based on the nonlinear constitutive relation.By considering a composite beam consisting of a piezoelectr...
关键词：nonlinear constitutive relation electrical property composite piezoelectric semiconductor beam differential quadrature method(DQM) ITERATION 
NONLINEAR DYNAMICS OF AXIALLY ACCELERATING VISCOELASTIC BEAMS BASED ON DIFFERENTIAL QUADRATURE被引量：11
《Acta Mechanica Solida Sinica》2009年第3期267-275,共9页Hu Ding Liqun Chen 
supported by the National Outstanding Young Scientists Fund of China(No.10725209);the National Natural Science Foundation of China(No.10672092);Shanghai Municipal Education Commission Scientific Research Project(No.07ZZ07);Shanghai Leading Academic Discipline Project(No.S30106)
This paper investigates nonlinear dynamical behaviors in transverse motion of an axially accelerating viscoelastic beam via the differential quadrature method. The governing equation, a nonlinear partial-differential ...
关键词：nonlinear partial-differential equation numerical solution CHAOS BIFURCATION differential quadrature 
Dynamic stability analysis of porous functionally graded beams under hygro-thermal loading using nonlocal strain gradient integral model被引量：2
《Applied Mathematics and Mechanics(English Edition)》2023年第12期2071-2092,共22页Pei ZHANG P.SCHIAVONE Hai QING 
Project supported by the National Natural Science Foundation of China(No.12172169);the Natural Sciences and Engineering Research Council of Canada(No.NSERC RGPIN-2023-03227)。
We present a study on the dynamic stability of porous functionally graded(PFG)beams under hygro-thermal loading.The variations of the properties of the beams across the beam thicknesses are described by the power-law ...
关键词：nonlocal strain gradient integral model dynamic stability porous functionally graded(PFG)shear deformation beam size-dependent hygro-thermal load generalized differential quadrature method(GDQM) 
Space Discretization of Time-Fractional Telegraph Equation with Mamadu-Njoseh Basis Functions
《Applied Mathematics》2022年第9期760-773,共14页Ebimene James Mamadu Ignatius Nkonyeasua Njoseh Henrietta Ify Ojarikre 
In this paper, we examine the space discretization of time fractional telegraph equation (TFTE) with Mamadu-Njoseh orthogonal basis functions. For ease and convenience, we deal with the fractional derivative by first ...
关键词：Finite Difference Method Mamadu-Njoseh Polynomials Telegraph Equation Gaussian Elimination Method Quadrature Formula Sobolev Space 
Application of the Generalized Differential Quadrature Method in Solving Burgers' Equations
《Communications in Theoretical Physics》2011年第12期1009-1015,共7页R.Mokhtari A.Samadi Toodar N.G.Chegini 
The aim of this paper is to obtain numerical solutions of the one-dimensional,two-dimensional and coupled Burgers' equations through the generalized differential quadrature method(GDQM).The polynomial-based differenti...
关键词：generalized differential quadrature method （GDQM） total variation diminishing Runge-Kutta（TVD-RK） method Burgers＇ equations 
基于SystemView的16QAM调制解调系统的设计与仿真被引量：2
《通信技术》2007年第12期113-115,共3页吕海军 陈前斌 吴小平 
正交幅度调制QAM(Quadrature Amplitude Modulation)以其高频谱利用率、高功率谱密度等优势,成为宽带无线接入和无线视频通信的重要技术方案。文中介绍了QAM调制解调原理,提出了一种基于SystemView的16QAM系统调制解调方案,对16QAM系统...
关键词：16 QUADRATURE AMPLITUDE Modula rion 原理 调制解调 SYSTEMVIEW 仿真 
QUADRATURE METHODS FOR HIGHLY OSCILLATORY SINGULAR INTEGRALS被引量：1
《Journal of Computational Mathematics》2021年第2期227-260,共34页Jing Gao Marissa Condon Arieh Iserles Benjamin Gilvey Jon Trevelyan 
The work is supported by Royal Society International Exchanges(grant IE141214);the Projects of International Cooperation and Exchanges NSFC-RS(Grant No.11511130052);the Key Science and Technology Program of Shaanxi Province of China(Grant No.2016GY-080);the Fundamental Research Funds for the Central Universities.
We address the evaluation of highly oscillatory integrals,with power-law and logarithmic singularities.Such problems arise in numerical methods in engineering.Notably,the evaluation of oscillatory integrals dominates ...
关键词：Numerical quadrature Singular highly oscillatory integrals Asymptotic analysis Boundary Element Method Plane wave enrichment Partition of Unity 
ANALYSIS OF NONLINEAR PIEZOELECTRIC CIRCULAR SHALLOW SPHERICAL SHELLS BY DIFFERENTIAL QUADRATURE ELEMENT METHOD
《Transactions of Nanjing University of Aeronautics and Astronautics》2001年第2期130-136,共7页王永亮 王鑫伟 
航空科学基金和江苏省自然科学基金资助项目~~
The static behavior of piezoelectric circular spherical shallow shells under both electrical and mechanical loads is studied by using the differential quadrature element method (DQEM). Geometrical nonlinearity effect ...
关键词：differential quadrature element method non  linearity PIEZOELECTRICITY circular shallow spherical shell 
A convolution-type semi-analytic DQ approach to transient response of rectangular plates
《Applied Mathematics and Mechanics(English Edition)》2009年第9期1143-1151,共9页彭建设 杨杰 袁玉全 罗光兵 
The convolution-type Gurtin variational principle is known as the only variational principle that is, from the mathematics point of view, totally equivalent to the initial value problem system. In this paper, the equa...
关键词：CONVOLUTION transient response differential quadrature method semianalytical method 
Nonlinear coded nonuniform superposition QAM by trellis-coding for MISO system in visible light communication被引量：2
《Chinese Optics Letters》2022年第4期71-76,共6页Zengyi Xu Wenqing Niu Jianyang Shi Nan Chi 
This work was partially supported by the National Natural Science Foundation of China(Nos.61925104,62031011,and 62074072);China National Postdoctoral Program for Innovative Talents(No.BX2021082);China Postdoctoral Science Foundation(No.2021M700025);Major Key Project of PCL(No.PCL2021A14).
In this paper,we propose a 36-quadrature amplitude modulation(QAM)superposition modulation technique that is featured with uneven symbol probability by nonlinear precoding,named nonlinear coded nonuniform superpositio...
关键词：visible light communication light-emitting diode multi-input single-output quadrature amplitude modulation nonlinear coding spectral shaping 
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