White Papers

Simulations of Flows Around Vehicles With Linux Clusters

Overview Time-dependent simulations of flows around vehicles require computations on large number of processors during long time. Such simulations are made possible with introduction of cost-efficient Linux clusters. The paper presents a review of the work in this field from the pioneering simulations on expensive sheared memory parallel computers to computations on Opteron Linux clusters used today. Examples of simulations varying from flow around a bus and a car to a flow around a high-speed train are presented. The use of the computer resources for these simulations and comparison between different machines are discussed.

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Publisher
Chalmers University of Technology
File Format
PDF
Date Published
Feb 5, 2009
Format
White Papers
Topics
Parallel Processing, Processors, Linux - Open Source

Chalmers University of Technology White Papers

Receiver Algorithms for OFDM Systems in Phase Noise and AWGN

Receiver Algorithms for OFDM Systems in Phase Noise and AWGN

This paper addresses the subject of reducing the impact of phase noise on a QAM-OFDM system transmitting over an AWGN ch

Publisher: Chalmers University of Technology

Performance of an Adaptive Multiuser OFDM Uplink With Carrier Frequency Offsets

Performance of an Adaptive Multiuser OFDM Uplink With Carrier Frequency Offsets

Using an OFDM based uplink for the future cellular network has been controversial issue due to difficulties in time and

Publisher: Chalmers University of Technology  |  Tags: cellular, network

Mitigating Distributed Denial of Service Attacks in Multiparty Applications in the Presence of Clock Drifts

Mitigating Distributed Denial of Service Attacks in Multiparty Applications in the Presence of Clock Drifts

A weak point in network-based applications is that they commonly open some known communication port(s), making themselve

Publisher: Chalmers University of Technology  |  Tags: applications, time

Migrating C++ Applications From UNIX to Linux From the Perspective of Modifiability

Migrating C++ Applications From UNIX to Linux From the Perspective of Modifiability

One of the challenges that organizations are facing is how to reduce the costs when new requirements are established. To

Publisher: Chalmers University of Technology  |  Tags: applications, c++, linux, os, software

Implementation of a Flexible Membership Protocol on a Real-Time Ethernet Prototype

Implementation of a Flexible Membership Protocol on a Real-Time Ethernet Prototype

This paper describes the implementation of a processor-group membership protocol in an experimental real-time network. T

Publisher: Chalmers University of Technology  |  Tags: cdma, ethernet, network, real-time