Modern scientific experiments can generate large amounts of data, which may be replicated and distributed across multiple resources to improve application performance and fault tolerance. Whilst a number of different ...
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The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two diffe...
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The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet structure, sonic line and streamlines in supersonic jet are strongly influenced by the nozzle geometry, and the total pressure loss increases with the increase of Mach disk diameter. The present numerical simulation is an effective tool to evaluate compressible flows in supersonic air jet.
The minimum dominating set(MDS) problem is known to be *** with the currently fastest extract algorithm for MDS problem on graphs of n vertices using O(20.59n)time,which could merely tackle these problems with 200 ver...
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The minimum dominating set(MDS) problem is known to be *** with the currently fastest extract algorithm for MDS problem on graphs of n vertices using O(20.59n)time,which could merely tackle these problems with 200 vertices scale in 8 hours,the paper presents a faster approximate layer-method to address MDS problems in O(n2) time and the method is proved to be effective particularly for larger scale ***,the programing phases are shown in detail.
Federated graph attention networks (FGATs), blending federated learning (FL) with graph attention networks (GAT), present a novel paradigm for collaborative, privacy-conscious graph model training in the smart cloud. ...
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According to the characteristics of the command and control system, this paper analyzes the concept connotation of the intelligent command and control system, summarizes the types of intelligent level evaluation metho...
According to the characteristics of the command and control system, this paper analyzes the concept connotation of the intelligent command and control system, summarizes the types of intelligent level evaluation methods of the command and control system, puts forward the overall framework of intelligent level evaluation of the command and control system, gives the intelligent evaluation index system of the command and control system and the grade evaluation model of each intelligent attribute in the index system, and expounds the intelligent level evaluation method of the command and control information system based on double-base fuzzy reasoning for the intelligent level evaluation in the framework, which provides a set of method guidance for measuring the intelligent level and ability level of the command and control system.
In this paper, a new rational approximation method for fractional-order differentiator aαand integrator sα(0<α<1) is presented. The method is based on the joint optimal rational approximation definition in th...
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Recent structured Peer-to-Peer (P2P) systems can't be simply applied to grid information services, because grid resources need to be registered and searched using multiple attributes. This paper proposes a multi-a...
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ISBN:
(纸本)9781479909735
Recent structured Peer-to-Peer (P2P) systems can't be simply applied to grid information services, because grid resources need to be registered and searched using multiple attributes. This paper proposes a multi-attribute addressable DHT (MAA-DHT) for grid information services. It uses hypercube as its logical graph and provides a new resource placement mechanism based on the values of all attributes, and then supports query based on all attributes and part attributes. The join of a new object and object query operation based on all attributes can be finished within O(log N) hops for N peers. Then, this paper proposes the lookup algorithm based on global index, the corresponding query delay is still O(log N) hops. In particular, in order to maintain the topology, this paper designs a novel stabilization protocol for the MAA-DHT, which also can implement and maintain the global index within O(2 log N) rounds. Furthermore, in order to save storage and query time of the global index, we propose the informed lookup mechanism based on bloom filters, the query based on part attributes still can be finished within O(log N) hops.
A novel n-channel VDMOS fabricated on 4H-SiC is reported. This device is a distinct double-layer structure with an ultra-thin n-doped region under a fully depleted p-body region in the channel region which induces a l...
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Emergency evacuation has increasingly gained wide *** order to improve the evacuation efficiency,it is important to optimally allocate policemen to crucial roads in the city transportation *** this paper,we propose an...
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Emergency evacuation has increasingly gained wide *** order to improve the evacuation efficiency,it is important to optimally allocate policemen to crucial roads in the city transportation *** this paper,we propose an evacuation network flow optimization model in which the policemen allocation decisions are *** is assumed that the probability of traffic jams in one road is related with its flow and the allocated policemen *** problem is formulated as a nonlinear mixed integer program model which is proved to be NP-Hard,and a residual-network-based heuristic algorithm is developed to solve the *** demonstrate the computational efficiency and effectiveness of the proposed model and algorithm by two practical transportation systems in Changsha,China.
This book provides up-to-date developments in the stability analysis and (anti-)synchronization control area for complex-valued neural networks systems with time delay. It brings out the characteristic systematism in ...
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ISBN:
(数字)9789811954504
ISBN:
(纸本)9789811954498;9789811954528
This book provides up-to-date developments in the stability analysis and (anti-)synchronization control area for complex-valued neural networks systems with time delay. It brings out the characteristic systematism in them and points out further insight to solve relevant problems. It presents a comprehensive, up-to-date, and detailed treatment of dynamical behaviors including stability analysis and (anti-)synchronization control. The materials included in the book are mainly based on the recent research work carried on by the authors in this domain.;The book is a useful reference for all those from senior undergraduates, graduate students, to senior researchers interested in or working with control theory, applied mathematics, system analysis and integration, automation, nonlinear science, computer and other related fields, especially those relevant scientific and technical workers in the research of complex-valued neural network systems, dynamic systems, and intelligent control theory.
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