نتایج جستجو برای: track dynamic behavior

تعداد نتایج: 1044671  

Journal: :Transactions of the VŠB – Technical University of Ostrava, Civil Engineering Series. 2015

2014
Debakanta Mishra Yu Qian Hai Huang

Railway transitions like bridge approaches experience differential vertical movements due to variations in track stiffness, track damping characteristics, ballast settlement from fouling and/or degradation, as well as fill and subgrade settlement. Proper understanding of this phenomenon requires the integration of field instrumentation with analytical and numerical modeling. This paper introduc...

1998
Sandeep K. Singhal David R. Cheriton

Users of distributed virtual reality applications interact with users located across the network. Similarly, distributed object visualization systems store dynamic data at one host and render it in real-time at other hosts. Because data in both systems is animated and exhibits unpredictable behavior, providing up-to-date information about remote objects is expensive. Remote hosts must instead a...

Journal: :international journal of energy and environmental engineering 2011
roozbeh zomorodian mohsen rezasoltani mohammad bagher ghofrani

in this paper, the application of neural networks for simulation and optimization of the cogeneration systems has been presented. cgam problem, a benchmark in cogeneration systems, is chosen as a casestudy. thermodynamic model includes precise modeling of the whole plant. for simulation of the steadysate behavior, the static neural network is applied. then using dynamic neural network, plant is...

Journal: :advances in railway engineering,an international journal 2014
amin miri saeeid mohammadzadeh

car body acceleration is an important factor affecting track safety and ride comfort, which are two primary aspects of railway systems. though track level is an important source of wagon body acceleration, no quantitative relation between them is available and the aim of this paper is to propose a method to address this issue. to do so, car body acceleration is determined using a 10 dof simulat...

Journal: : 2023

Purpose: To analyze and compare the requirements of State Standards Russia, countries Europe North America to assessment dynamic qualities freight cars, their impact on railway track. Methods: Review analysis various conditions pursue testing cars a track, indicator permissible values made it possible form most representative calculated cases for simulation crew motion along construction tracks...

2003
Lingyun Yang Ian T. Foster Jennifer M. Schopf

The dynamic nature of a resource-sharing environment means that applications must be able to adapt their behavior in response to changes in system status. Predictions of future system performance can be used to guide such adaptations. In this paper, we present and evaluate several new one-step-ahead and low-overhead time series prediction strategies that track recent trends by giving more weigh...

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