搜索结果: 1-15 共查到“信息科学与系统科学 finite”相关记录20条 . 查询时间(0.015 秒)
Riccati Differential Inequalities: Suboptimal H-infinity Controllers for Finite Horizon Time-Varying Systems
Riccati Differential Inequalities Suboptimal H-infinity
2015/6/19
In this paper we give a direct derivation of the solution to the continuous time finite horizon H-infinity synthesis problem. An explicit separation of the time domain cost function into past and futu...
Dimensional Model Reduction in Non-Linear Finite Element Dynamics of Solids and Structures
Element Dynamics Model Reduction
2015/6/19
A general approach to the dimensional reduction of non-linear finite element models of solid dynamics is presented. For the Newmark implicit time-discretization, the computationally most expensive pha...
On finite-size Lyapunov exponents in multiscale systems
Finite-size Lyapunov exponents predictability ensemble generation regimes metastability
2012/4/9
We study the effect of regime switches on finite size Lyapunov exponents (FSLEs) in determining the error growth rates and predictability of multiscale systems. We consider a dynamical system involvin...
Long-term fluctuations in globally coupled phase oscillators with general coupling: Finite size effects
Long-term fluctuations globally coupled phase oscillators general coupling Finite size effects Chaotic Dynamics
2012/3/31
We investigate the diffusion coefficient of the time integral of the Kuramoto order parameter in globally coupled nonidentical phase oscillators. This coefficient represents the deviation of the time ...
Comparative Mechanical Dynamic Analysis of Permanent Magnet Generator Using Finite Element and Fuzzy Methods
PM generator Fuzzy model Finite-element analysis Moment of inertia ANFIS Sugeno fuzzy inference system
2009/9/25
This paper describes the fuzzy modeling of permanent magnet generator for studying its mechanical dynamic analysis. Firstly electromagnetic torque analysis of the generator is carried out using finite...
The Upwind Finite Difference Fractional Steps Method for Nonlinear Coupled System of Dynamics of Fluids in Porous Media
Convergence coupled system multilayer dynamics of fluids in porous media nonlinear equations upwind finite difference fractional steps method
2007/12/10
摘要 For nonlinear coupled system of multilayer dynamics of fluids in porous media, the second order and first order upwind finite difference fractional steps schemes applicable to parallel arithmetic a...
THE SPLITTING EXTRAPOLATION FOR FINITE ELEMENT METHOD
Splitting extrapolation parallel algori
2007/12/10
摘要 A new splitting extrapolation based on multivariate asymptotic expansionsof finite elemellt eraes for differellt mesh parameters is described. By means of splittingextrapolation, a far 3 scale prob...
For coupled system of multilayer dynamics of fluids in porousmedia, the characteristic alternating-direction finite elementmethods for nonrectangular regions applicable to parallelarithmetic are put f...
A coupled system of singularly perturbed convection-diffusionequations is considered. The leading term of each equation ismultiplied by a small positive parameter, but these parameters mayhave differe...
THE SUPERCONVERGENCE ANALYSIS OF AN ANISOTROPIC FINITE ELEMENT
Bilinear finite element superclose supe
2007/8/7
This paper deals with the high accuracy analysis of bilinearfinite element on the class of anisotropic rectangular meshes. Theinverse inequalities on anisotropic meshes are established. Thesuperclose ...
A DEFECT CORRECTION METHOD FOR THE EFFECTIVE COMPUTATION OF HIGH-DEGREE FINITE ELEMENT SOLUTIONS
2007/8/7
In this papert a cutting planelnethod is presented for solving the linear BLPP. An optimality criterion for the linear BLPP is derived from two related linear programs constructed by using the complem...
STATIONARY BEHAVIOR OF THE TWO-STAGE TANDEM QUEUEING SYSTEM WITH FINITE CAPACITY AND MATCHED SERVICE
2007/8/7
The two-stage tandem queueing system M^(x)/M/c→o M^(r) / PH/1/n/K_1/K_2 is studied in this paper consisting of the stage-I service system and the stage-II service system. There are two trees of custom...
We develop the interpolated finite element method to solve second-order hyperbolic equations. The standard linear finite element solution is used to generate a newsolution by quadratic interpolation o...
A HIGH ACCURACY ANALYSIS OF THE MIXED FINITE ELEMENT METHOD FOR BIHARMONIC EQUATIONS
Biharmonic equation mixed finite element
2007/8/7
In this paper, the linear mixed finite element method is considered for the biharmonic Dirichlet boundary value problem. Almost optimal error estimates, superconvergence estimates and the derivative e...
EXTRAPOLATION FOR FINITE ELEMENT METHODS OF THE FIRST KIND FREDHOLM INTEGRAL EQUATIONS
Extrapolation finite element method Fred
2007/8/7
In this paper,a numerical analysis of finite element methods for Fredholm equations of the first kind, which is based upon regularization, is made. It shows that extrapolation algorithms can accelerat...