نتایج جستجو برای: order hybrid scheme

تعداد نتایج: 1259826  

2006
Marc Spiegelman Richard F. Katz

[1] We present a hybrid method for the numerical solution of advection-diffusion problems that combines two standard algorithms: semi-Lagrangian schemes for hyperbolic advection-reaction problems and CrankNicolson schemes for purely diffusive problems. We show that the hybrid scheme is identical to the two end-member schemes in the limit of infinite and zero Peclet number and remains accurate o...

2002
Michael W. Hofbaur

A novel capability of discrete model-based diagnosis not impose such a strong modeling assumption. Its concept of the methods is the ability to handle unknown modes where no assumpunknown mode allows diagnosis of systems where no assumption is tion is made about the behavior of one or several components of the made about the behavior of one or several components of the syssystem. This paper inc...

Journal: :Journal of Intelligent and Fuzzy Systems 2015
Lianpeng Zhang Dacheng Cong Zhidong Yang Chifu Yang Junwei Han

The purpose of shaking tables is to replicate the desired motion to specimen, which needs to ensure not only the synchronization precision of two tables, but the tracking precision for the desired signal. Due to the nonlinearity of system and eccentric of load masses, both tracking and synchronous accuracy are poor. To solve this problem, this article proposes a novel hybrid controller combined...

2010
Cesare Tronci

Several different hybrid Vlasov-fluid systems are formulated as Euler-Poincaré systems and compared in the same framework. In particular, the discussion focuses on three major hybrid MHD models. These are the current-coupling scheme and two different variants of the pressurecoupling scheme. The Kelvin-Noether theorem is presented explicitly for each scheme, together with the Poincaré invariants...

Journal: :Parallel Computing 2011
Pablo D. Mininni Duane Rosenberg Y. Raghu Reddy Annick Pouquet

A hybrid scheme that utilizes MPI for distributed memory parallelism and OpenMP for shared memory parallelism is presented. The work is motivated by the desire to achieve exceptionally high Reynolds numbers in pseudospectral computations of fluid turbulence on emerging petascale, high core-count, massively parallel processing systems. The hybrid implementation derives from and augments a well-t...

The aim of this paper is to extend a hybrid protection plan for Power Transformer (PT) based on MRA-KSIR-SSVM. This paper offers a new scheme for protection of power transformers to distinguish internal faults from inrush currents. Some significant characteristics of differential currents in the real PT operating circumstances are extracted. In this paper, Multi Resolution Analysis (MRA) is use...

2014
Fu-Tian Lin Chu-Sing Yang Tien-Wen Sung

This paper proposes a method to deal with holes healing problems in wireless hybrid sensor networks. With recent advances in mobile platforms, hybrid sensor networks including static and mobile sensors are becoming very popular technology. In this paper, we investigate the coverage hole healing efficiency and propose a method to improve the efficiency. Specifically, mobile sensors can dynamical...

2012
Chang Huai You Haizhou Li Eliathamby Ambikairajah Kong-Aik Lee Bin Ma

In this paper, we develop a hybrid system for pair language recognition using Gaussian mixture model (GMM) supervector connecting to support vector machine (SVM). The adaptation of relevance factor in maximum a posteriori (MAP) adaptation of GMM from universal background model (UBM) is studied. In conventional MAP, relevance factor is empirically given by a constant value. It has been proven th...

2005
Alexander W. Dent

The question of constructing a hybrid signcryption scheme with outside security was considered by Dent [7]. That paper also demonstrated that the basic hybrid construction formalised by Cramer and Shoup [5, 9] is incapable of producing a signcryption scheme with insider security. This paper provides a paradigm for constructing signcryption schemes with insider security based on the ideas of hyb...

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