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Santos, Gonçalo Gonçalves Duarte (author), Correia, Gonçalo (author)
Shared automated vehicles (SAV) are expected to become part of on-demand transport systems in the future. In an interurban context, SAV systems may potentially contribute to significantly improve the availability and quality of public transport. In this paper, we propose a flow-based integer programming approach to design and assess the...
journal article 2021
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Jamshidi, Helia (author), Correia, Gonçalo (author), van Essen, J.T. (author), Nökel, Klaus (author)
Short driving range, limited chargers, and long charging times challenge the profitability of electric taxi operations. In this paper, a charging algorithm is developed to accompany a taxi service with online trip requests, which uses a private charging infrastructure for both slow and fast charging. The vehicle charging curves are assumed to be...
journal article 2021
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Pedrosa, Bruno (author), Correia, José (author), Rebelo, Carlos (author), Veljkovic, M. (author), Gervásio, Helena (author)
All over the world, the number of civil engineering structures, particularly bridges with long service periods, has been increasing. The most common evidences of damages are the presence of corroded metallic elements and cracks in structural details due to the fatigue phenomenon. A large number of cases were found in which fatigue cracks were...
journal article 2021
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Xin, H. (author), Correia, José A.F.O. (author), Veljkovic, M. (author)
The assessment of fatigue crack propagation of steel structures is essential and important especially to improve the application of high strength steel in construction. The load ratio R, reflecting mean stress effects, will be changed with crack extension in the steel structures with complicated geometry. In this paper, the Walker equation is...
journal article 2021
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Xin, Haohui (author), Correia, José A.F.O. (author), Veljkovic, M. (author), Berto, Filippo (author)
Accurately obtaining the material parameters of the damage model is very important for the ductile fracture simulation of steel structures made of high strength steel (HSS). The combination of micromechanics with the uncoupled phenomenological fracture model can be used to obtain the material parameters of ductile fracture locus only from the...
journal article 2021
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Xin, H. (author), Correia, José A.F.O. (author), Veljkovic, M. (author), Berto, Filippo (author), Manuel, Lance (author)
The fatigue resistance of welded connections made of high strength steel (HSS) is one of the most important topics for the application of HSS in the construction sector. One of the most challenging issues is how to predict the fatigue life of welded structures with complex geometry based on the test results from relatively simple coupon...
journal article 2021
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Xin, Haohui (author), Veljkovic, M. (author), Correia, José A.F.O. (author), Berto, Filippo (author)
The ductile performance of high strength steel (HSS) from different steel grades, producers, manufacturing processes varies a lot. It is also difficult to conduct all kinds of reliable experiments to generate different stress status through different initial specimen geometries or by applying different load combinations in the civil...
journal article 2021
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Xin, H. (author), Correia, José A.F.O. (author), Veljkovic, M. (author), Zhang, Youyou (author), Berto, Filippo (author), de Jesus, Abílio M.P. (author)
Wire arc additive manufacturing (WAAM) has increasingly attracted attention in the construction sector because of its ability to produce large metallic structural parts in short times. In this paper, Coffin-Manson and Morrow (CMM) equation is employed to compare the fatigue life of WAAM stainless steel with the structural steels S355 and S690...
journal article 2021
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Conceição, Lígia (author), Correia, Gonçalo (author), Tavares, José Pedro (author)
AV subnetworks is a way to deal with automated traffic and its technological need that will likely increase during the AVs deployment period. This strategy carries many benefits, yet some inconveniences are worth to mention. One of them relies on the fact that the design of AV subnetworks is often in practice focused on mitigating congestion...
journal article 2021
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Ibraeva, Anna (author), van Wee, G.P. (author), Correia, Gonçalo (author), Pais Antunes, António (author)
Transit-oriented development has been widely studied in recent years as a means to reduce car trips and promote sustainable transport modes. However, longitudinal studies on the matter are still rare. This paper contributes to longitudinal research of Transit-Oriented Development (TOD) effects on travel behavior by analyzing the evolution of...
journal article 2021
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Liang, X. (author), Correia, Gonçalo (author), An, Kun (author), van Arem, B. (author)
In this paper, we study the dial-a-ride problem of ride-sharing automated taxis (ATs) in an urban road network, considering the traffic congestion caused by the ATs. This shared automated mobility system is expected to provide a seamless door-to-door service for urban travellers, much like what the existing transportation network companies ...
journal article 2020
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Overtoom, Irene (author), Correia, Gonçalo (author), Huang, Yilin (author), Verbraeck, A. (author)
New developments in the automotive world have the power to change mobility, but because of high uncertainties, municipalities are adopting a wait-and-see attitude. Nonetheless, autonomous, connected and shared vehicle technologies are in a far stage of development and it is only a matter of time before shared autonomous vehicles (SAVs) enter...
journal article 2020
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Ashkrof, P. (author), Correia, Gonçalo (author), Cats, O. (author), van Arem, B. (author)
Ride-sourcing has recently been at the centre of attention as the most disruptive mode of transport associated with the so-called shared mobility era. Drivers, riders, the platform, policymakers, and the general public are considered as the main stakeholders of the system. While ride-sourcing platforms have been growing, so did the heightened...
journal article 2020
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Huang, Kai (author), An, Kun (author), Correia, Gonçalo (author)
This paper presents a method for determining the deployment of one-way electric carsharing services within a designated region that maximizes the total profit of the operator. A mixed integer non-linear program model is built, with a strategic planning level that decides the fleet size and the station capacity and an operational level that...
journal article 2020
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Wang, S. (author), Correia, Gonçalo (author), Lin, H.X. (author)
This paper aims to explore the performance of the autonomous mobility-on-demand system (AMoD) with the coordinated formation of vehicle platooning. In this study, an agent-based model (ABM) is developed to explicitly simulate the operations of platooning formation and interactions between shared automated vehicles (SAVs) and real-time travel...
journal article 2020
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Wang, Wenjing (author), Wang, Y. (author), Correia, Gonçalo (author), Chen, Y. (author)
In a multimodal public transport network, transfers are inevitable. Planning and managing an efficient transfer connection is thus important and requires an understanding of the factors that influence those transfers. Existing studies on predicting passenger transfer flows have mainly used transit assignment models based on route choice,...
journal article 2020
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Roukouni, A. (author), Correia, Gonçalo (author)
In recent years, shared mobility services have had a growing presence in cities all over the world. Developing methodologies to measure and evaluate the impacts of shared mobility has therefore become of critical importance for city authorities. This paper conducts a thorough review of the different types of methods that can be used for this...
journal article 2020
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Calliari, Felipe (author), Correia, Marlon M. (author), Temporao, Guilherme Penello (author), Castro do Amaral, G. (author), Weid, Jean Pierre Von Der (author)
A 15 dB dynamic range and 4.6 cm spatial resolution tunable photon-counting optical time-domain reflectometer (PC-OTDR) is presented along with a Field Programmable Gate Array (FPGA)-based detection management system that allows several regions of the fiber to be interrogated by the same optical pulse, increasing the data acquisition rate...
journal article 2020
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Legêne, Martijn F. (author), Auping, Willem L. (author), Correia, Gonçalo (author), van Arem, B. (author)
Urban form develops in close feedback with different modes of transportation. The introduction and adoption of automated vehicles (AVs) are expected to have an impact on the development of cities as well, as the use of AVs may, for example, lead to more efficient road use and less need for parking spaces. In order to study those impacts, we...
journal article 2020
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Xin, H. (author), Mosallam, Ayman (author), Correia, José A.F.O. (author), Liu, Yuqing (author), He, Jun (author), Sun, Yun (author)
Design optimization of fiber-reinforced polymeric (FRP) composite products is essential to facilitate their applications in engineering structures. For bridge structures, the main design optimization goals are the reduction of FRP material consumption and the structure weight, which aim to reduce the initial construction cost and achieve a...
journal article 2020
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