In this paper, finite bulk-finite element means is presented for solving convection-diffusion problem, moreover give out the stability analysis.
将有限体积和有限元方法相结合,解决对流扩散方程问题,并给出了稳定性分析。
By using the finite-difference method, a solution is obtained in this paper to the diffusion problem of the catalytic agent released by the airplane.
本文利用有限差分法对飞机播撒催化剂的扩散问题进行了求解。
In this paper, we proposed a diffusion equation for simulating the problem of pollution, and discussed its application to point pollution, especially while instantaneous point pollution happened.
给出了一个适合于模拟污染问题的扩散方程,讨论了它在点污染,尤其是在瞬时点污染发生时的应用。
A nonlinear problem for reaction diffusion equation with a perturbed boundary is considered.
研究了具有摄动边界的非线性反应扩散方程的问题。
A class of singularly perturbed reaction diffusion equation initial boundary value problem with a curve of turning point is discussed.
讨论了一类具有转向点曲线的奇摄动反应扩散方程初始边值问题。
To solve the problem of the poor gray level of SMPDP, the multi-frame combination and error diffusion methods are used. The image quality is improved greatly.
采用多帧图像的叠加显示和误差扩散方法,很好地解决图像灰度级不足的问题,从而提高荫罩式等离子体显示器的图像质量。
An evaluation index, named temperature effectiveness based heat source, is proposed. And the inverse problem of hybrid temperature diffusion is discussed.
提出了适用于评价控制区域内最大温度的评价指标——基于热源的温度效率,并探讨了复合温度扩散反问题。
In this paper, a new approach, which is based on simulated annealing algorithm for solving a class of diffusion equation of parameter operator identification of inverse problem, is presented.
文章给出了利用模拟退火算法求解一类扩散方程的参数算子识别反问题的一种新方法。
This paper discusses the optimal distributed control problem for time-varying population system with spatial diffusion. By J.
讨论了一类时变种群扩散系统的最优分布控制问题,利用J。
The initial problem of one dimensional diffusion equations can be solved by using global or sub domain high precise integration method.
一维扩散方程初值问题可以用全域或子域精细积分求解。
Initial value as a problem of convection diffusion equation can be solved by applying fine integral of single inner point subdomains.
可用单内点子域精细积分,求解对流-扩散方程初值问题。
The uniqueness problem of the weak solutions of the time dependent drift diffusion model for semiconductor equation with avalanche term is considered.
研究带雪崩项的半导体漂移-扩散模型方程弱解的惟一性问题。
A evaluation index, named temperature Effectiveness Based Heat Source, is proposed. And the inverse problem of hybrid temperature diffusion is discussed.
提出了适用于评价控制区域内最大温度的评价指标——基于热源的温度效率,并探讨了复合温度扩散反问题。
The problem of forward starting options in jump-diffusion models is considered.
在跳扩散过程模型下研究了远期起点期权的定价问题。
To calculate the neutron distribution, in this case, a rather big errors would occur if the diffusion theory be used. However, Monte Carlo Method is suitable at dealing with the problem.
在这种情况下,如果采用扩散理论计算这种组件内的中子分布,会引起相当大的误差,但蒙特卡罗方法是非常适合于处理这种情况的。
In this paper, we consider a nonconservative convection-diffusion boundary value problem.
考虑一类非守恒形式的对流扩散边值问题。
Air pollution prediction is a direct problem, and deriving diffusion coefficients from the concentration of pollutants is an inverse problem.
空气污染预报属于正问题,而从污染物浓度来求解扩散系数则属于反问题。
This paper discusses the problem of the optimal harvesting control problem for a semilinear age-dependent population diffusion system.
研究了一类半线性时变种群扩散系统的最优收获问题,证明了最优收获控制的存在性。
Pricing options with constant interest rate under jump-diffusion models is always a very important problem in option pricing research.
跳跃—扩散模型下利率为常数的期权定价问题一直是期权定价研究的重点问题之一。
In this paper, we study the pricing problem of the perpetual Bermudan option with jump-diffusion by PDE (partial differential equation) method.
采用偏微分方程方法讨论了带跳扩散项的永久百慕大期权定价问题。
In the dependable information diffusion process, epidemic-style protocol has the problem of retransmission implosion.
在信息的可靠扩散过程中,流行病风格的协议存在着重发报文爆炸问题。
The problem of pricing exchange options in a jump-diffusion model is considered.
考虑跳扩散模型中交换期权的定价问题。
This paper discusses the problem of speckle reducing of SAR image based on nonlinear diffusion equation in order to reduce the noise of SAR image and improve the image's quality.
探讨SAR图像相干斑抑制的非线性扩散方程方法。以抑制SAR图像噪声,提高图像质量。
The singular perturbation of the initial boundary-value problem for a kind weakly coupled reaction-diffusion equation system is discussed.
讨论了一类弱耦合反应扩散方程组的初边值问题的奇摄动。
In this paper, the second initial and boundary value problem of a nonlinear singular diffusion equation is discussed.
讨论了非线性奇异扩散方程的第二初边值问题,证明了存在唯一的光滑解,且解关于初值是连续依赖的。
For the false contour problem of the surface rendering, an anisotropic diffusion smoothing algorithm is presented for surface blur.
同时针对表面重建的伪影问题,提出了一种基于各向异性的平滑算法,使得内窥效果更加逼真;
We apply a regularized diffusion framework to solve the supervised learning image segmentation problem.
将离散的正则化扩散框架应用到全监督的图像分割领域中;
We apply a regularized diffusion framework to solve the supervised learning image segmentation problem.
将离散的正则化扩散框架应用到全监督的图像分割领域中;
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