Laplace相关论文
常微分方程边值问题是常微分方程理论的一个重要研究领域，物理、化工、医学。天文、生物工程的学可中的实际问题，都可以归结为常微分......
Numerical Analysis and Transformative Predictions of Fractional Order Epidemic Model during COVID-19
The COVID-19 pandemic is a curse and a threat to global health, development, the economy, and peaceful society because o......
Analysis of Transient Pulse Electroosmotic Flow of Maxwell Fluid through a Circular Micro-Channel Us
A semi-analytical solution is presented using method of Laplace transform for the transient pulse electroosmotic flow (E......
根据Laplace方程转化的差分方程,用Excel的单元格作为在渗流区域划分的网格,在单元中输入差分式进行迭代计算等势线,同时明确了边......
Saddlepoint approximations for the studentized compound Poisson sums with no moment conditions in audit sampling are der......
In this paper, we derive the evolution equation for the first eigenvalue of Laplace operator along powers of mean curvat......
本文主要考虑了具有有限容量的Erlang(n)到达的大坝模型的忙期。通过构造两个辅助停时,应用无穷小分析方法,分别获得了它们的Lapla......
By method of the Laplace transform, this article presents semi-analytical solutions for transient electroosmotic and pre......
Pattern formations in an Oregonator model with superdiffusion are studied in two-dimensional(2D) numerical simulations. ......
在讲球形液面的附加压强时,一个典型的实验如下图所示。在管子两端吹大小不等的两个肥皂泡,当中间活塞打开,两泡相通时,我们将会......
在建立圆形封闭气藏水平井不稳态流数学模型的基础上,应用Laplace变换等方法求得了模型的Laplace空间解。通过Stehfest反演算法绘......
In this paper, fractional order derivative, fractal dimension and spectral dimension are introduced into the seepage flo......
本文讨论了研究半导体缺陷深能级瞬态谱中遇到的多指数分解问题，并使用共轭梯度计算法对瞬态谱进行数值Laplace逆变换处理来实现多......
南京纬九路地区的河漫滩软土是淤泥和淤泥质土,具有含水量高、孔隙比大、压缩性高、抗剪强度低和流变性等特性。文章运用双层地基......
Seismic inversion performed in the time or frequency domain cannot always recover the long-wavelength background of subs......
THE MIXED STATE HAMILTONIAN DYNAMIC ELEMENT AND A SEMI-ANALYTICAL SOLUTION FOR THE ANALYSIS OF THICK
Through introducing the Laplace transformation in the time direction,the mixed state Hamilton canonical equation and a ......
采用状态空间法求解层状可压缩岩基的三维固结问题.首先从直角坐标系下考虑可压缩性的三维Biot固结问题的控制方程出发,通过Laplac......
众所周知,封闭区域的拉普拉斯(Laplace)方程可用有限差分法求解,但是,在重磁测量中只能测得某一地形曲面上的重磁场值,难以构成一......
为了分析多芯片组件的互连功耗,用RLC传输线模型对多芯片组件的互连进行表征,通过对输入互连的电流及其等效电阻的近似,推导出多芯......
The abnormal bending of a micro-cantilever plate induced by a droplet is of great interest and of significance in micro/......
应用机械网络及机械阻抗方法,可以较简便地求出起重机系统中各点的位移,进而可求得各元件所承受的动载荷。本文将首先画出起重机起......
Simulations of Ion Behaviors in a Photoresist Trench During Plasma Etching Driven by a Radio-Frequen
Ion’s behavior plays an important role in plasma etching processes and is determined by the local electric potential in......
We present a model which is used to study ion transport in capacitively coupled plasma(CCP) discharge driven by a radio-......
A new analytical model for the surface electric field distribution and breakdown voltage of the silicon on insulator (SO......
Relativistic solutions for diatomic molecules subject to pseudoharmonic oscillator in arbitrary dime
The exact solutions of the N-dimensional Klein-Gordon equation in the presence of an exactly solvable potential of V(r)=......
In this paper, a transfer matrix and a three-dimensional dynamic response of a layered half-space to an arbitrary burie......
Based on the three-dimensional ela stic inclusion model proposed by Dobrovolskii, we developed a three-dimensional rheol......
The PIN diode model for high frequency dynamic transient characteristic simulation is important in conducted EMI analysi......
—As a further development of the authors’work(Huang and Qian,1993),in this paper a newnumerical method based on the ti......
人类为了认识自然并遵循其发展规律运用于自然,需要不断地对自然界的各种现象进行测量和研究。由于实验方法和实验设备的不完善,以......
本文给出了F—正态随机变量的概念及主要性质,并证明了Laplace定理仍成立,为研究F—Gauss随机过程提供了预备条件.
In this paper......
本文给出了动力学系统由运动方程式化成状态方程式的能控标准形和能观测标准形的一种方法。此法与通常使用的方法相比,特点是简便......
本文论述饱和软土经过表面真空处置后,结合预测应力——应变有关诸问题的解决办法。不过以试验数据为依据表明,在一维固结情况下,......
一、几种绝对量具1.U 形计弯成 U 形的玻璃管充以水银或其它低蒸汽压液体,构成最简单的真空压力计。Laplace 曾在1799年用它发现......
本文利用 Laplace 变换和近似反演方法导出了粘弹性 Winkler地基板温度翘曲应力的计算公式,并编制了计算程序。计算结果表明,该计......
本文概略介绍地下结构和围岩的应力与变形的粘弹性边界元法(BEM)分析。采用数值Laplace变换和反演,用统一的计算格式,实现多种流变......
为了对处于环境温、湿度中的混凝土的收缩变形进行有效数值模拟分析,提出了一种数值解析与有限元分析相结合的方法.根据多孔介质热......
对渗透各向异性三维Biot固结方程进行关于时间t的Laplace变换和关于坐标x，y的双重Fourier变换，构造出一组状态方程，利用cayley-Hamilt......
前言边界元法即边界积分方程法,是一种新型的数值计算方法。由于它在解决工程问题上比有限元法有明显的优点,正越来越受到工程技......
The dynamic response of multiple coplanar interface cracks between two dissimilarpiezoelectric strips subjected to mech......
A numerical model was proposed to simulate the capillary micro-flow through a fiber bundle. The capillary pressure was p......
文章研究了带有多个温贮备部件的机器维修问题,系统中有R个修理工,修理工进行N-策略休假.同时还考虑了故障部件止步和中途退出的现......
Based on the thermodynamics of irreversible processes,the mass conservation equation and heat energy balance equation ar......
