Civil-Comp Proceedings

D. Horak

Z. Dostal

V. Hapla

J. Kruzik

R. Sojka

M. Cermak

Civil-comp proceedings

Projector-less TFETI for Contact Problems: Preliminary Results

无投影仪的TFETI接触问题：初步结果

H. Migallon

V. Migallon

J. Penades

Parallel Computation of PageRank using Two-Stage Methods

使用两阶段方法的PageRank并行计算

L. Sellami

D. Idoughi

K. Sellami

P. F. Tiako

A Novel Intrusion Detection System for Pervasive Cloud Services

一种针对普适云服务的新型入侵检测系统

J. Masek

M. Vorechovsky

Parallel Implementation of Dynamical Particle System for CUDA

CUDA动态粒子系统的并行实现

S. Szabó;

B. Zaválnij

Discrete Optimization and Initial Value Problem for System of Ordinary Differential Equations

离散优化与常微分方程系统的初值问题

O. López

R. Gutierrez

E. Alcocer

V. Galiano

G. Van Wallendael

M.P. Malumbres

Evaluation of FPGA-based motion estimation module for HEVC video coding standard

基于FPGA的HEVC视频编码标准运动估计模块评估

J. Kruis

T. Koudelka

Domain decomposition methods in special geotechnical problems

特殊岩土工程问题中的区域分解方法

Modeling the wind flow around cylindrical buildings is one of the problems within urban physics.Despite the simple geometry of the cylinder, it is an interesting physical phenomenon.Partial knowledge of flow field properties can be found in the literature, but in terms of their use for practical tasks, the data are still incomplete.The authors performed a numerical analysis of the flow around the smooth cylinder in the subcritical and critical regime for Reynolds numbers in the range of Re = 2.3 × 10 3 to 4 × 10 5 .Turbulent flow was solved using LES model and the numerical solution was compared with available data from experiments or standard.Analysis of the mean stream velocity showed the elongation of the core of the wake with decreasing Re.The pressure coefficient evaluation showed a big difference between its distribution in the subcritical and critical regime.In the subcritical regime, a significant increase in the minimum value and a shift of the extreme close to the axis of the cylinder is proven.The results of the drag coefficient confirm a significant decrease in the transition from subcritical to critical regime, which is indicated in the cited experiments.

V. Michalcová

I. Kolos;

L. Lausová

Numerical analysis of flow around cylinder in critical and subcritical regime

临界和亚临界状态下绕圆柱流动的数值分析

G. Kosec

J. Slak

Parallel RBF-FD solution of the Boussinesq's problem

Boussinesq问题的并行RBF-FD解法

In this paper, we address the problem of detecting the moment when an ongoing asynchronous parallel iterative process can be terminated to provide a sufficiently precise solution to a fixed-point problem being solved. Formulating the detection problem as a global solution identification problem, we analyze the snapshot-based approach, which is the only one that allows for exact global residual error computation. From a recently developed approximate snapshot protocol providing a reliable global residual error, we experimentally investigate here, as well, the reliability of a global residual error computed without any prior particular detection mechanism. Results on a single-site supercomputer successfully show that such high-performance computing platforms possibly provide computational environments stable enough to allow for simply resorting to non-blocking reduction operations for computing reliable global residual errors, which provides noticeable time saving, at both implementation and execution levels.

G. Gbikpi-Benissan

F. Magoules

Distributed asynchronous convergence detection without detection protocol

无检测协议的分布式异步收敛检测

Publication Information	Publisher: Civil-Comp Press，Publishing cycle: ，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 2005，Proportion of original research papers: ，Self Citation Rate:， Gold OA Rate:

Civil-Comp Proceedings

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