An intercontinental network of supercomputers spanning more than 10000 miles andrunning challenging scientific applications was realized at the Supercomputing’99 (SC’99) conference in Portland, Oregon, USA using PA...
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A parallel 2d3v PIC-MCC (particle-in-cell plasma simulations and Monte Carlo collisions) code is developed with message passing language PVM to simulate the electron cyclotron resonance plasma source in this research....
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A parallel 2d3v PIC-MCC (particle-in-cell plasma simulations and Monte Carlo collisions) code is developed with message passing language PVM to simulate the electron cyclotron resonance plasma source in this research. This code has been run on a PC cluster with a cluster system we developed called "diskless remote Boot in Linux (drBL)", which is a centralized boot and management environment. By using drBL, it's easier for us to integrate some PCs to a cluster system. Once we have some computing power, with the grid technology, we can harvest more by sharing the computingresources with others. This is a new approach to harvest more computing power. With the PIC-MCC simulation of ECr plasma source, the results and benchmark fordifferent cluster architectures are given anddiscussed.
In this paper, we propose a p2p network based location search algorithm which can be used to establish connections in Internet telephony. By using the location search algorithm, the caller can identify the peer it is ...
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ISBN:
(纸本)9781424404636
In this paper, we propose a p2p network based location search algorithm which can be used to establish connections in Internet telephony. By using the location search algorithm, the caller can identify the peer it is calling. The algorithm is based upon the concept of gradient search and is applicable upon unstructured networks. It is inspired by a biological phenomenon called haptotaxis. The algorithm performs at par with dHT-based location search algorithms, however it is much more robust than such structured algorithms. We also present some initial analysis to explain the reason behind the superiority of the algorithm
Large amount of video data is stored anddistributed in wide variety of application. due to the fast video material increases, manage and query of video become more and more important. In this paper, we address a temp...
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A 3d two-phase flow numerical model based on the large eddy simulation is developed to deal with the free surface problems by using the surface capturing method. This numerical model is employed for simulations of 3d ...
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ISBN:
(纸本)9780889866829
A 3d two-phase flow numerical model based on the large eddy simulation is developed to deal with the free surface problems by using the surface capturing method. This numerical model is employed for simulations of 3d flow fields in a fish-bone-type fishway. The specific flow patterns induced by fish-bone-type obstructions at the bottom of the channel is illustrated. For assessment of fishway suitability, comparisons of flow fields at different swimming speeds of fishes are made to investigate the potential influences of the flow fields on the migration behaviors of fishes.
A 3d composite stent model, which consists of thestent, plaque, and artery wall, is generated to characterize stenttransient expansion anddeflection behavior using Finite ElementMethod (FEM) approach. Two types (flat...
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A 3d composite stent model, which consists of thestent, plaque, and artery wall, is generated to characterize stenttransient expansion anddeflection behavior using Finite ElementMethod (FEM) approach. Two types (flat and central-thicker) ofplaque models have been employed to evaluate the geometricaleffects of atherosclerotic artery on the cardiovascular stentdeployment system. Simulation results demonstrated that theartery wall sustained a higher value of stress near the distal endof stent for both plaque models. In addition, the dog-boningfactor increased significantly (more than 20-fold) and arteryinjury index was much higher for the central-thicker ***, the effects resulted from the foreshortening,recoil rate and expansion rate were much less profound for bothplaque models. However, the expansion rates for both plaquemodels did not meet the requirement of clinical *** study to include plaque rupture mechanics forovercoming the shortcoming of the current models is currentlyproceeding.
In this work, field-emission-limiteddiodes (FELds) are investigated. The field emission process is described quantum-mechanically by the Fowler-Nordheim equation. The cathode plasma and surface properties are conside...
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ISBN:
(纸本)4818195154
In this work, field-emission-limiteddiodes (FELds) are investigated. The field emission process is described quantum-mechanically by the Fowler-Nordheim equation. The cathode plasma and surface properties are considered within the framework of the effective work function approximation. Space charge effects are described by Poisson's equation.
Augmentedreality,which focuses on the combination of virtual andreal environment,is an extension of the virtual reality *** allows users to use the computer or mobile device to interact with in virtualreal fusion en...
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ISBN:
(纸本)9781467356985
Augmentedreality,which focuses on the combination of virtual andreal environment,is an extension of the virtual reality *** allows users to use the computer or mobile device to interact with in virtualreal fusion environment by setting in the real environment with virtual *** paper firstly design the android augmentedreality system architecture based on cloudcomputing technology and mobile Android *** briefly introduce the process of realization of the augmentedreality *** we implement the mobile Ar system based on the open source AndAr project to prove the feasibility of the designed system architecture and to achieve goodresults.
In recent years, increasing demand forcomputing has led to the development of computational grid. Typically scheduling challenges tend to be NP-hard problems where there is no optimal solution. The research reported ...
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In recent years, increasing demand forcomputing has led to the development of computational grid. Typically scheduling challenges tend to be NP-hard problems where there is no optimal solution. The research reported here therefore is focused on the development of hybrids scheduling algorithms based on deadline and slack time parameters and its variations, using the concept of optimization techniques. An extensive performance comparison has been presented using real workload traces as benchmark on a grid computational environment. The results were compared with some baseline scheduling approaches in extant literature. The results have shown that the performances of grid scheduling algorithms developed andreported in this paper give goodresults in most of the cases and also support true scalability, when in the scenario of increasing workload and number of processors on a computational grid environment.
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