system dynamics and long term behaviour of railway vehicles track and subgrade lecture notes in applied and computational mechanics

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System Dynamics And Long Term Behaviour Of Railway Vehicles Track And Subgrade

Author : Karl Popp
ISBN : 9783540454762
Genre : Technology & Engineering
File Size : 62. 26 MB
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During the last decades completely new technologies for high speed railway vehicles have been developed. The primary goals have been to increase traction, axle load, and travelling speed, and to guarantee the safety of the passengers. However, new developments have revealed new limitations: settlement and destruction of the ballast and the subgrade lead to deterioration of the track; irregular wear of the wheels causes an increase in overall load and deterioration in passenger comfort; and damage of the running surfaces of the rail and the wheel is becoming more frequent. These problems have been investigated in the Priority Programme SPP 1015 supported by the Deutsche Forschungsgemeinschaft (DFG), with the goal of better understanding of the dynamic interaction of vehicle and track, and the long-term behavior of the components of the system. The book contains the scientific results of the programme as presented at the concluding colloquium held at University of Stuttgart, Germany, 2002.

Static And Dynamic Coupled Fields In Bodies With Piezoeffects Or Polarization Gradient

Author : Jerzy Nowacki
ISBN : 9783540316701
Genre : Science
File Size : 34. 95 MB
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This book is devoted to the theory of coupled electro-magneto-thermo-elastic fields excited in different bodies by various sources, both static and dynamic. It presents the classical piezoelectric and piezomagnetic effects, the Mindlin’s electroelastic coupling due to a polarization gradient, and different combinations of these effects with thermoelasticity.

An Introduction To Computational Micromechanics

Author : Tarek I. Zohdi
ISBN : 9783540323600
Genre : Technology & Engineering
File Size : 88. 60 MB
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In this, its second corrected printing, Zohdi and Wriggers’ illuminating text presents a comprehensive introduction to the subject. The authors include in their scope basic homogenization theory, microstructural optimization and multifield analysis of heterogeneous materials. This volume is ideal for researchers and engineers, and can be used in a first-year course for graduate students with an interest in the computational micromechanical analysis of new materials.

Mechanical Modelling And Computational Issues In Civil Engineering

Author : Michel Fremond
ISBN : 9783540323990
Genre : Technology & Engineering
File Size : 26. 84 MB
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In this edited book various novel approaches to problems of modern civil engineering are demonstrated. Experts associated within the Lagrange Laboratory present recent research results in civil engineering dealing both with modelling and computational aspects. Many modern topics are covered, such as monumental dams, soil mechanics and geotechnics, granular media, contact and friction problems, damage and fracture, new structural materials, and vibration damping – presenting the state of the art of mechanical modelling and computational issues in civil engineering.

Non Smooth Problems In Vehicle Systems Dynamics

Author : Per Grove Thomsen
ISBN : 3642013562
Genre : Technology & Engineering
File Size : 30. 29 MB
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The book combines vehicle systems dynamics with the latest theoretical developments in dynamics of non-smooth systems and numerical analysis of differential-algebraic dynamical systems with discontinuities. These two fields are fundamental for the modelling and analysis of vehicle dynamical sytems. The results are also applicable to other non-smooth dynamical systems.

Noise And Vibration Mitigation For Rail Transportation Systems

Author : Tatsuo Maeda
ISBN : 9784431539278
Genre : Technology & Engineering
File Size : 45. 28 MB
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This volume contains the contributions to the 10th International Workshop on Railway Noise, held October 18–22, 2010, in Nagahama, Japan, organized by the Railway Technical Research Institute (RTRI), Japan. With 11 sessions and 3 poster sessions, the workshop featured presentations by international leaders in the field of railway noise and vibration. All subjects relating to 1. prospects, legal regulation, and perception; 2. wheel and rail noise; 3. structure-borne noise and squeal noise; 4. ground-borne vibration; 5. aerodynamic noise and micro-pressure waves from tunnel portals; 6. interior noise and sound barriers; and 7. prediction, measurements, and monitoring are addressed here. This book is a useful “state-of-the-art” reference for scientists and engineers involved in solving environmental problems of railways.

Dynamics Of Railway Vehicle Systems

Author : Vijay Garg
ISBN : 9780323151085
Genre : Technology & Engineering
File Size : 74. 76 MB
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Dynamics of Railway Vehicle Systems offers a comprehensive and analytical treatment of the rail-wheel interaction problem and its effect on vehicle dynamics. The development of mathematical models and their applications to dynamic analyses and the design of railway vehicles are discussed. This book consists of 11 chapters and opens with an overview of the background material required to study the dynamics of railway vehicles, with emphasis on analytical techniques used to determine the dynamic response of single- and multiple-degree-of-freedom systems. Numerical solutions of linear and nonlinear dynamic systems are also given, and various problems associated with the dynamic behavior of railway vehicles are addressed. Several mathematical models are proposed to study these problems. The following chapters focus on the wheel-rail rolling contact theories being applied in railway vehicle dynamics problems; modeling of the vehicle and its components on both tangent and curved railroad tracks; and the interaction between railway vehicles and bridges. The final chapter underscores the needs for validating mathematical models that are used to study the dynamic behavior of railway vehicles and train consists. This monograph will be of value to design and research engineers, transportation officials, mathematicians, analysts, and research workers interested in the dynamics of railway vehicle systems.

Water In Road Structures

Author : Andrew Dawson
ISBN : 9781402085628
Genre : Science
File Size : 82. 68 MB
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Only book world-wide addressing this topic. The principal output of the European co-operative Action on "Water Movements in Road Pavements & Embankments". Provides unique guidance on assessing water condition and its affects on road performance. Provides unique guidance on assessing and ameliorating contaminant movement in pavement groundwater. Written by leading experts in Europe.

Design And Construction Of Pavements And Rail Tracks

Author : Antonio Gomes Correia
ISBN : 9780203937549
Genre : Technology & Engineering
File Size : 24. 40 MB
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Design and Construction of Pavements and Rail Tracks - Geotechnical Aspects and Processed Materials is a compilation of selected contributions produced between 2002 and 2005 by the International Committee TC3 - Geotechnics of Pavements of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE), a committee dedicated to gathering current knowledge of geotechnical aspects relating to pavements and rail tracks. The volume presents advanced procedures for laboratory and field materials characterization, including processed materials (non-conventional road construction materials), novel tests for field stiffness evaluation, a pre-standard for roller integrated continuous compaction control and new theories for evaluation of the long term performance of materials, including environmental aspects. These contributions represent the latest developments relating to the design, construction and long term performance of pavements, rail tracks and earth structures, with emphasis on the geotechnical and environmental background.

Icctp 2009

Author : Yinhai Wang
ISBN : 0784473110
Genre : Technology & Engineering
File Size : 64. 69 MB
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Proceedings of the Ninth International Conference of Chinese Transportation Professionals, held in Harbin, China, August 5-9, 2009. Sponsored by North American Chinese Overseas Transportation Association (NACOTA); Harbin Institute Of Technology; Transportation & Development Institute of ASCE. This collection contains 446 papers of interest to transportation professionals. Topics include: transportation safety; transportation planning and operations; emergency response systems and technologies; intelligent transportation systems; energy saving and alternative energy; automotive exhaust treatment and environmental protection; new technology on transportation infrastructure (pavement, bridge); highway maintenance and management; transportation management, economy, and policy; logistics; vehicle operations technologies; and rail and transit systems.

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