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	1. A New Braess’s Paradox with Queue Spillovers Considering Dynamic User Equilibrium
	Zhang Xiaoning ,Zhang Hongjun
	Transportation Engineering 19 December 2007
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	Abstract: This paper explores the network properties when queues spill over network links, by examining a paradox of network expansion. In networks, each commuter simultaneously chooses departure time and travel route to minimize the travel cost including journey time and unpunctuality penalty. Using some necessary conditions of dynamic user equilibrium, the dynamic network flows are exactly obtained on some small networks. Then we use a network with two origins and two destinations to illustrate an interesting paradox that is caused by the FIFO behavior among commuters traveling on a common upstream link of which the exit is blocked by one branch of downstream traffic. The comparison analysis in this example shows that point-queue models often overestimate the network performance and consideration of queuing spatial dimension in dynamic traffic assignment is necessary
	TO cite this article:Zhang Xiaoning ,Zhang Hongjun. A New Braess’s Paradox with Queue Spillovers Considering Dynamic User Equilibrium[OL].[19 December 2007] http://en.paper.edu.cn/en_releasepaper/content/17141


	2. DYNAMIC RESPONSE OF A BERNOULLI–EULER BEAM ON TWO-PARAMETER FOUNDATION SUBJECTED TO A MOVING HARMONIC LOAD
	Cao Changyong,Zhong Yang,Li Mingliang
	Transportation Engineering 27 March 2007
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	Abstract:The dynamic response of an infinite Bernoulli–Euler beam, placed on a two- parameter foundation and subjected to a moving harmonic load, has been investigated in the paper. The double Fourier transform technique has been employed to reduce the governing partial equation to algebraic equation and the inverse Fourier transform is utilized to get the analytical solution in integral form. The closed-form analytical solution of the problem is obtained by residue theorem and theory of complex analysis. Detailed analyses based on a practical concrete beam are performed to research the effect of various parameters on the dynamic response of the beam. Numerical results show that the maximum deflection of the beam resting on two-parameter foundation increases slightly with the increasing of load velocity and decreases with the increasing of the shear modulus of subgrade.
	TO cite this article:Cao Changyong,Zhong Yang,Li Mingliang. DYNAMIC RESPONSE OF A BERNOULLI–EULER BEAM ON TWO-PARAMETER FOUNDATION SUBJECTED TO A MOVING HARMONIC LOAD[OL].[27 March 2007] http://en.paper.edu.cn/en_releasepaper/content/11700


	3. A Derivation of Ordinary Differential Equations and The Numerical Calculations for Deep Water Time Domain Green Functions
	Zhu Renchuan ,Shen Liang ,Miao Guoping
	Transportation Engineering 08 November 2006
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	Abstract:How to evaluate time-domain Green function and its gradients efficiently is the key problem to analyze ship hydrodynamics in time domain. Based on the Bessel function, an Ordinary Differential Equation (ODE) was derived for time-domain Green function and its gradients in this paper. A new efficient calculation method based on solving ODE is proposed. It has been demonstrated by the numerical calculation that this method can improve the precision of the time-domain Green function.
	TO cite this article:Zhu Renchuan ,Shen Liang ,Miao Guoping . A Derivation of Ordinary Differential Equations and The Numerical Calculations for Deep Water Time Domain Green Functions[OL].[ 8 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9387


	4. Numerical Simulations for Green Water Running on Deck and Impact Loads
	Lin Zhaowei ,Zhu Renchuan ,Miao Guoping
	Transportation Engineering 08 November 2006
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	Abstract:A technique of dynamic mesh is specially introduced in a 2-D numerical wave tank to simulate the green water incident on a fixed FPSO model in head waves and oscillating vessels in beam sea conditions, respectively. Numerical results agree well with the corresponding experimental ones. It indicates the present numerical scheme and method can be used to actually simulate the phenomenon of green water on deck, and to predict and analyze the impact forces on floating structures due to green water. It is of great significance to further guide the ship design and optimization, especially for ship bow and its strength design. The mechanism may also help seaman to impose operation restrictions to avoid severe green water incidents.
	TO cite this article:Lin Zhaowei ,Zhu Renchuan ,Miao Guoping . Numerical Simulations for Green Water Running on Deck and Impact Loads[OL].[ 8 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9379


	5. The Impact of ETC System on Safety Performance of Toll Collection Plazas
	Jian Lu,Fan Ye,Jiping Ding,Qiaojun Xiang
	Transportation Engineering 29 November 2005
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	Abstract:Little research has been done to evaluate the impacts of electronic toll collection (ETC) system on the safety at toll plazas. Past research has indicated that ETC system does contribute to traffic accidents at toll collection plazas. However, there are still no definite conclusions on safety impacts. The main object of this paper is to evaluate the impacts of ETC on safety performance of toll collections as a part of a research project. In the paper, the safety conditions at a toll plaza and the contributing factors of ETC to safety are discussed. Based on traffic crash data collected, it was indicated that ETC may result in the increase of crash number and more severe crashes could happen due to the high passing speed at ETC gates.
	TO cite this article:Jian Lu,Fan Ye,Jiping Ding, et al. The Impact of ETC System on Safety Performance of Toll Collection Plazas[OL].[29 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3843

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