搜索结果: 1-15 共查到“理学 Analytical solution”相关记录15条 . 查询时间(0.082 秒)
A semi-analytical solution to accelerate spin-up of a coupled carbon and nitrogen land model to steady state
The spin model The steady state coupling Ecosystems Carbon transfer
2014/12/10
The spin-up of land models to steady state of coupled carbon–nitrogen processes is computationally so costly that it becomes a bottleneck issue for global analysis. In this study, we introduced a semi...
Analytical Solution of Two Extended Model Equations for Shallow Water Waves by He’s Variational Iteration Method
He’s Variational Iteration Method Shallow Water Wave Equation
2013/1/30
In this paper, we consider two extended model equations for shallow water waves. We use He’s variational iteration method (VIM) to solve them. It is proved that this method is a very good tool for sha...
Analytical Solution of Covariance Evolution for Irregular LDPC Codes
Analytical Solution Covariance Evolution Irregular LDPC Codes
2010/11/12
A scaling law developed by Amraoui et al. is a powerful technique to estimate the block error probability of finite length low-density parity-check (LDPC) codes. Solving a system of differential equa...
Analytical solution to position dependent mass Schrödinger equation
Analytical solution position dependent Schrö dinger equation
2010/11/11
Using a recently developed technique to solve Schr\"odinger equation for constant mass, we studied the regime in which mass varies with position i.e position dependent mass Schr\"odinger equation(PDMS...
Analytical solution for the time-fractional heat conduction equation in spherical coordinate system by the method of variable separation
Fractional Fourier law Fractional heat conduction equation Spherical coordinate system The separation of variables Mittag–Leffler function
2012/2/28
In this paper, using the fractional Fourier law,we obtain the fractional heat conduction equation with a time-fractional derivative in the spherical coordinate system. The method of variable separatio...
A semi-analytical solution for the mean wind profile in the Atmospheric Boundary Layer:the convective case
semi-analytical solution mean wind profile Atmospheric Boundary Layer convective case
2010/3/5
A novel methodology to derive the average wind profile from the Navier-Stokes equations is presented. The development employs the Generalized Integral Transform Technique (GITT), which combines series...
Approximate analytical solution of 3D fractional microscale heat equation using modified homotopy perturbation method
Homotopy Perturbation Method (HPM) Three-dimensional heat transport equation heat flux gradient
2010/9/14
In the present article, we use modified homotopy perturbation method (HPM) to find approximate analytical solution of three-dimensional time fractional microscale heat transport equation. This transpo...
New approach to mixture of the Adomian decomposition and homotopy perturbation method for approximate and analytical solution of integral equations and fractional differential equations
Homotopy perturbation method Adomian Decomposition method
2010/9/17
Nonlinear phenomena play a crucial role in applied mathematics and physics. Analytic solutions to the nonlinear equations are of fundamental importance. Various methods for obtaining Analytic solution...
An analytical solution for the estimation of the critical available soil water fraction for a single layer water balance model under growing crops
soil water single layer water balance model growing crops
2009/6/5
In the framework of simplified water balance models devoted to irrigation scheduling or crop modelling, the relative transpiration rate (the ratio of actual to maximal transpiration) is assumed to dec...
On The Analytical Solution of Perturbative Nonlinear Schrodinger Equations with Real Initial and Homogeneous Boundary Conditions
Nonlinear Schrodinger equation Perturbation Eigenfunction expansion
2008/11/10
In this paper, a perturbing nonlinear Schrodinger equation is studied under limited time interval through homogeneous boundary conditions and real initial condition. The analytical solution for the li...
Analytical solution of singular linear periodic boundary value problem
Analytical solution Singular periodic boundary value problem
2010/9/14
In this paper, a new method is presented to obtain the analytical solution of singular linear periodic boundary value problems in the reproducing kernel space. The analytical solution is represented i...
An Analytical Solution to the Model for Single Three-Level Trapped
Ion Driven by External Fields
three-level trapped ion unitary transformation Lamb-Dicke limit
2007/8/15
2007Vol.47No.4pp.725-727DOI:
An Analytical Solution to the Model for Single Three-Level Trapped
Ion Driven by External Fields
WANG Zhong-Jie and CHEN Feng
Department of ...
Analytical Solution for Single-Mode Time-Dependent Oscillator
time-dependent transformation time-dependent oscillator time
evolution operator
2007/8/15
2002Vol.37No.5pp.531-534DOI:
Analytical Solution for Single-Mode Time-Dependent Oscillator
HOU Guang,1 XU Xiu-Wei,2 and ZHANG Yong-De1,3
1 Department of Modern Physics, ...
Analytical Solution of Smoluchowski Equation in Harmonic Oscillator Potential
Smoluchowski equation probability distribution diffusive current
2007/8/15
2005Vol.43No.6pp.1099-1104DOI:
Analytical Solution of Smoluchowski Equation in Harmonic Oscillator Potential
SUN Xiao-Jun,1,2 LU Xiao-Xia,1 YAN Yu-Liang,1
DUAN Jun-Feng,1 and ZHA...
Exact Analytical Solution of the Diode Ideality Factor of a pn Junction Device Using Lambert W-function Model
Ideality factor Lambert W-function Solar cell
2010/4/9
The paper presents a new analytical method for extracting the diode ideality factor of a p-n junction device using Lambert W-function model and the dark current-voltage data. The extracted values are ...