• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database

2016 Vol. 29, No. 1

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Numerical Analysis of Train Impact Load with Finite Element Method
YAN Qixiang, LI Bin, ZHANG Meng, HE Chuan, YANG Wenbo, GENG Ping
2016, 29(1): 1-7. doi: 10.3969/j.issn.0258-2724.2016.01.001
[Abstract](1374)
Abstract:
In order to obtain the train impact load on shield tunnel to investigate the dynamic responses of shield tunnel segment under train impact load, a 3D numerical analysis model for train formation was established to obtain the time-history curves of train impact force at different impact velocities, t...
Detection of Ballastless Track Diseases in High-Speed Railway Based on Ground Penetrating Radar
LIAO Hongjian, ZHU Qingnü, ZAN Yuewen, XIE Yongyong, SUN Junyu
2016, 29(1): 8-13. doi: 10.3969/j.issn.0258-2724.2016.01.002
[Abstract](1493)
Abstract:
A two-dimensional forward simulation was conducted to analyze slab ballastless track diseases in high-speed railway using the ground penetrating radar (GPR) technique. Based on the finite difference method, a two-dimensional forward simulation equation for GPR was deduced. By considering the differe...
A Novel Method for Calculating Stress and Deformation of Supporting Pile Considering Pile-Soil Interaction
LI Tao, JIANG Yonghua, ZHU Lianhua, GUAN Chenlong
2016, 29(1): 14-21. doi: 10.3969/j.issn.0258-2724.2016.01.003
[Abstract](1104)
Abstract:
To study the pile-soil interaction on the internal force and deformation, a novel calculation method for calculating stress and deformation of supporting pile considering pile-soil interaction was proposed. This method treats the pile body above the excavation surface as a finite number of elastomer...
Assessment of Rockfall Impact Force by Particle Flow Code Numerical Simulation Based on Discrete Element Model
WANG Yusuo, LI Junjie, LI Zhenghui, FENG Gaofei, WU Hao, HE Junnan
2016, 29(1): 22-29. doi: 10.3969/j.issn.0258-2724.2016.01.004
[Abstract](1003)
Abstract:
To make a reasonable and effective assessment of rockfall impact force, a study on the impact force of falling down rockfall to a structure was carried out by using the method of PFC(particle flow code) based on the theory of DEM(discrete element model). The effects of rockfall height and gravity,an...
Limit State Design Method of Railway Tunnel Portal Based on Reliability Theory
MENG Guowang, ZHOU Jiamei, GAO Bo
2016, 29(1): 30-35,49. doi: 10.3969/j.issn.0258-2724.2016.01.005
[Abstract](1002)
Abstract:
From the characteristics that limit state functions for the stability of a railway tunnel portal structure are nonlinear and the parameters are random, a new design method for railway tunnel portal structures was put forward based on the reliability theory. Limit state equations for railway tunnel p...
Analysis of Water Pressure in Ballastless Track Crack
CAO Shihao, YANG Rongshan, LIU Xueyi, SU Chengguang, GUO Likang
2016, 29(1): 36-42. doi: 10.3969/j.issn.0258-2724.2016.01.006
[Abstract](1296)
Abstract:
In the areas with sufficient rainfall and poor drainage, water in ballastless track has significant effect on the crack propagation. To analyze the distribution of water pressure and influential factors on water pressure in the ballastless track under high-frequency train load, based on the law of m...
Test Principle and Test Scheme of Longitudinal Force in Continuous Welded Rail Using Resistance Strain Gauge
WANG Biao, XIE Kaize, XIAO Jieling, WANG Ping
2016, 29(1): 43-49. doi: 10.3969/j.issn.0258-2724.2016.01.007
[Abstract](939)
Abstract:
To test longitudinal force in continuous welded rails (CWRs), based on the bi-directional strain approach, a new test scheme using resistance strain gage was proposed. The test principle was systematically presented,and the errors of different test schemes were compared by taking into account the th...
Dynamic Reliability Calculation of Bridge Based on Quasi-non-integrable-Hamiltonian System Theory
HE Zhongying, WANG Genhui, YE Aijun, XIA Xiushen
2016, 29(1): 50-56. doi: 10.3969/j.issn.0258-2724.2016.01.008
[Abstract](810)
Abstract:
To improve the computation efficiency of bridge dynamic reliability, kinetic energy and potential energy of a railway bridge with nonlinear characteristics were expressed in the modal space, and the generalized momentum, the generalized velocity, the Hamiltonian function and the quasi-Hamiltonian sy...
Special Longitudinal Forces between Continuous Welded Rail and Long-Span Simply Supported Beam Bridge with High Piers and Their Influences
ZHANG Xun, SU Bin, LI Xiaozhen, ZHANG Jianqiang
2016, 29(1): 57-64. doi: 10.3969/j.issn.0258-2724.2016.01.009
[Abstract](944)
Abstract:
In order to investigate the special longitudinal forces between a continuous welded rail and a bridge caused by shrink and creep of the main girder and gradient temperature load of piers, a simply supported beam bridge with a standard span of 64 m was selected as the case study, and an rail-girder-p...
Method for Analysis of Non-stationarity of Fluctuating Winds Based on Revised Local Recurrence Rate
LI Lixiao, XIAO Yiqing, ZHENG Bin, SONG Lili
2016, 29(1): 65-70. doi: 10.3969/j.issn.0258-2724.2016.01.010
[Abstract](824)
Abstract:
In order to overcome the misestimate of the non-stationarity of different signals by the recurrence trend (RT), the mutual information function and false nearest neighbors are employed to determine the time delay and minimum embedding dimension of the recurrence quantification analysis (RQA), respec...
Distribution Regularities of Landslides Induced by Wenchuan Earthquake, Lushan Earthquake and Nepal Earthquake
GUO Chenwen, YAO Lingkan, DUAN Shusu, HUANG Yidan
2016, 29(1): 71-77. doi: 10.3969/j.issn.0258-2724.2016.01.011
[Abstract](903)
Abstract:
In order to study the distribution laws of landslides induced by earthquakes, the distribution regularities of landslides were investigated statistically based on the data of 22 302 landslides induced by the Wenchuan earthquake, 1 608 landslides induced by the Lushan earthquake, and 919 landslides i...
Management Algorithm of Point-Cloud Data Based on Octree Concerned with Adaptive Levels of Detail
ZHANG Junfeng, XU Dehe, WANG Xiaodong
2016, 29(1): 78-84. doi: 10.3969/j.issn.0258-2724.2016.01.012
[Abstract](870)
Abstract:
Large-scale point-cloud data are not easy to organize effectively and have great redundancy at dynamic visualization, and it is hard to realize the adaptive display. Aiming at these problems, a new algorithm concerned with the levels of detail (LOD) of point-cloud expression on the basis of octree s...
Optimization of Classical Domains for High-Speed Train Transmission System
LIU Yumei, ZHAO Congcong, XIONG Mingye, ZHANG Zhiyuan, QIAO Ningguo
2016, 29(1): 85-90,120. doi: 10.3969/j.issn.0258-2724.2016.01.013
[Abstract](831)
Abstract:
In order to monitor the operating condition of a high-speed train transmission system, matter elements that present the operating condition of components of the transmission system were established by the extension theory, and an optimization method for determining the classical domains of character...
Curve-Passing Dynamic Performance of Portal Bogie with Forced Steering Mechanism
WANG Boming, CHEN Hongyu, LI Zhize, TAN Hongyuan
2016, 29(1): 91-97. doi: 10.3969/j.issn.0258-2724.2016.01.014
[Abstract](839)
Abstract:
In order to predict the curve-passing dynamic performance of ultra-low-floor (ULF) trams, the configuration of the forced steering mechanism and its working principles were analyzed, theoretical formulas of related steering parameters were derived, and a curve-passing dynamic model was built. By usi...
Dynamic Response of Bogie in Failure Modes of High-Speed EMU Air Spring
QI Zhuang, LI Fu, DING Junjun, HUANG Yunhua, YU Dalian
2016, 29(1): 98-104. doi: 10.3969/j.issn.0258-2724.2016.01.015
[Abstract](941)
Abstract:
In order to simulate the failure states of a high-speed EMU's air spring, a 3D coupled dynamics model of the air spring system was established by the theory of pneumatics and the function fitting method. A co-simulation by combination of the 3D coupled model of air spring and the vehicle MBS dynamic...
Research on Numerical Analysis and Dust Collection Efficiency of Reverse Blowing Pickup Mouth
XI Yuan, CHENG Kai, LOU Xitong, CHENG Lei, ZHANG Qinguo, HU Yanjuan
2016, 29(1): 105-112. doi: 10.3969/j.issn.0258-2724.2016.01.016
[Abstract](876)
Abstract:
In order to improve dust collection efficiency, the computational fluid dynamics (CFD) technology was used to calculate the flow field of reverse blowing pickup mouth, analyze the structural parameters influence on the dust collection efficiency, and calculate the dust collection efficiency combined...
Holistic High-Speed Train Subsystem Simulation Platform Based on CAD/CAE Integration
TANG Zhao, ZHU Yunrui, NIE Yinyu, ZHANG Weihua
2016, 29(1): 113-120. doi: 10.3969/j.issn.0258-2724.2016.01.017
[Abstract](951)
Abstract:
To enable general-purpose commercial multi-body dynamics and finite element software to meet the requirements of simulation and modeling of a high-speed train subsystem, an extensible and flexible framework was set up by utilizing open-source components and the dynamic encapsulating technology. As a...
Optimization of Variable Blank Holder Forces in Sheet Metal Forming Based on RBF Neural Network Model
XIE Yanmin, HE Yujun, TIAN Yin
2016, 29(1): 121-127. doi: 10.3969/j.issn.0258-2724.2016.01.018
[Abstract](1093)
Abstract:
In order to solve the difficulty of training the hidden layer nodes in radial basis function (RBF) neural network during the optimization of variable blank holder forces,a RBF neural network based on the artificial immune algorithm was established by taking advantages of artificial intelligence algo...
Simulation of Temporary Traffic Bottleneck on Highways Based on Cellular Automaton
JIANG Xinguo, XIA Liang
2016, 29(1): 128-137. doi: 10.3969/j.issn.0258-2724.2016.01.019
[Abstract](979)
Abstract:
To study the influence of the forced lane changing and the distribution of conflict points on the temporary traffic bottleneck flow of freeways, a cellular automaton model was proposed considering the driver's changing psychology behavior. The new model combines the rule of forced lane changing with...
Applicability Analysis of Triparametric Fundamental Equations for Pedestrian Traffic Flow
YE Jianhong, CHEN Xiaohong
2016, 29(1): 138-144. doi: 10.3969/j.issn.0258-2724.2016.01.020
[Abstract](954)
Abstract:
To verify whether the fundamental equations among traffic volume, density and speed hold for pedestrian traffic flow, methods of analogy analysis and error analysis were used to establish the methodology and procedures for examining the applicability of the fundamental equations. Pedestrian traffic ...
Routing Optimization Model and Algorithm for Out-of-Gauge Freights in Multiple Flow Railway Network
CHEN Hao, WANG Wenxian, LI Xueqin
2016, 29(1): 145-151. doi: 10.3969/j.issn.0258-2724.2016.01.021
[Abstract](896)
Abstract:
In order to distribute the out-of-gauge freights reasonably to paths in railway network, a multi-objective optimization model was built for route selection of multi-direction out-of-gauge freights. In the model, the minimum transport route mileage, the minimum haulage time, and the minimum interfere...
Synergy Model of Vertical Structure of High-Speed Railway Dispatching System
DENG Nian, PENG Qiyuan
2016, 29(1): 152-160. doi: 10.3969/j.issn.0258-2724.2016.01.022
[Abstract](1183)
Abstract:
Three dispatching schemes for high-speed railway network would be built in China, namely the centralized scheme, regionally centralized scheme and access-based scheme. In order to study synergy of dispatching system, management and organizational structure of different schemes were analyzed and comp...
Occupant Evacuation Simulation Model during Civil Aircraft Emergency
DU Hongbing, ZHANG Qingqing, CHEN Chen
2016, 29(1): 161-167. doi: 10.3969/j.issn.0258-2724.2016.01.023
[Abstract](1331)
Abstract:
A computer simulation to verify occupant evacuation within 90 s during aircraft emergency can supply beneficial information for the full-scale evacuation experiment in the initial airworthiness certification of the advanced regional jet (ARJ) developed by China. Based on cellular automata and multi-...
Design and Switching Control of Power Supply Coils Applied to ICPT-Based Electric Vehicles
SU Yugang, ZHANG Shuai, XU Yong, TANG Chunsen
2016, 29(1): 168-176. doi: 10.3969/j.issn.0258-2724.2016.01.024
[Abstract](921)
Abstract:
For the inductively coupled power transfer (ICPT) system of electric vehicles (EVs) with cascading power supply coils, there is a sharp drop of the mutual inductance and difficult to detect the EV position when the power supply coils switch. To deal with this, a novel embeddable power supply coil wa...
Influences of Ice Load and Air Damping on Dynamic Current Collection of Pantograph-Iced Catenary
DUAN Fuchuan, LIU Zhigang, SONG Yang, ZHANG Jing
2016, 29(1): 177-187. doi: 10.3969/j.issn.0258-2724.2016.01.025
[Abstract](961)
Abstract:
In order to study the influences of the icing and environmental wind on pantograph-catenary current collection, based on modal analysis method, the differential equations of motion for icing catenary were deduced considering the influence of icing on the catenary mass and stiffness. Then pantograph-...
A New (k+2, k) Hadamard Minimum Storage Regenerating Code
ZHANG Sina, TANG Xiaohu, LI Jie
2016, 29(1): 188-192,200. doi: 10.3969/j.issn.0258-2724.2016.01.026
[Abstract](896)
Abstract:
To reduce the storage capacity of nodes in distributed storage systems, a new (k+2, k) Hadamard Minimum Storage Regenerating (MSR) code was constructed. Each coding matrix is related to two values, from which the diagonal elements of this coding matrix are selected. These two values appear in the co...
Electrocardiography Monitoring System Based on Wireless Communication
NING Wenshuang, LIANG Ting, YUAN Yong J
2016, 29(1): 193-200. doi: 10.3969/j.issn.0258-2724.2016.01.027
[Abstract](777)
Abstract:
To assist the doctors in assessing drug effects and monitor the recovery of patients, the mobile medical monitoring system was designed in this paper, which utilizes electrocardiography (ECG) signals. ECG sensors were adopted to gather signals from monitoring sites. Both ECG signal acquisition and t...
Mechanical Properties Analysis of Coronary Stent Based on Medical Images
XU Jiang, YANG Jie, YANG Ji, HUANG Nan, LIU Yaling
2016, 29(1): 201-208. doi: 10.3969/j.issn.0258-2724.2016.01.028
[Abstract](876)
Abstract:
In order to find a simple method to build the coronary artery stenosis model based on medical images, a simplified narrow coronary artery-stent coupling finite element (FE) model based on CT images was built using the feature contour extraction method. The mechanical properties of the stent in an id...

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