Exploració per autor "Grifoll Colls, Manel"
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A comprehensive ship weather routing system using CMEMS products and A* algorithm
Grifoll Colls, Manel; Borén Altés, Clara; Castells Sanabra, Marcel·la (2022-07)
Article
Accés obertWe describe the implementation of a comprehensive software for Ship Weather Routing referred to as SIM- ROUTE. The A* pathfinding algorithm is used to optimize the sailing route as a function of the wave action. The aim ... -
A ship routing system applied at short sea distances
Grifoll Colls, Manel; Martínez de Osés, Francesc Xavier (Universidad de Cantabria, 2017-07)
Article
Accés obertNew generation of high-resolution meteo-oceanographic predictions provides useful tools for routing of ships in short maritime distances. In this work, the optimal ship routing analysis is investigated in maritime routes ... -
A simheuristic for the unmanned aerial vehicle surveillance-routing problem with stochastic travel times and reliability considerations
Panadero, Javier; Juan Pérez, Ángel Alejandro; Serrat Piè, Carles; Grifoll Colls, Manel; Freixes, Alfons (2019)
Text en actes de congrés
Accés obertIn the unmanned aerial vehicle (UAV) surveillance-routing problem, a limited fleet of UAVs with driving-range limitations have to visit a series of target zones in order to complete a monitoring operation. This operation ... -
A statistical forecasting model applied to container throughput in a multi-port gateway system: the Barcelona-Tarragona-Valencia case
Grifoll Colls, Manel (2019-04)
Article
Accés obertThis contribution investigates the container throughput flow in a multi-port gateway system: Barcelona-Tarragona-Valencia (BTV). First, the paper examine the recent dynamics of the total and transshipment flow showing a ... -
A synergetic combination of measurements and models to assess renewable wind energy in semi enclosed domains
Sánchez-Arcilla Conejo, Agustín; González Marco, Daniel; Sospedra Iglesias, Joaquim; Sierra Pedrico, Juan Pablo; Espino Infantes, Manuel; Grifoll Colls, Manel; Pallarès Segarra, Esteve (SARTI, 2013)
Comunicació de congrés
Accés obert -
Added resistance parametrizations due to waves in a weather ship routing system
Borén Altés, Clara; Falevitch, Loïc; Castells Sanabra, Marcel·la; Grifoll Colls, Manel (2019)
Text en actes de congrés
Accés obertThis contribution compares the parametrization of the wave effect on navigation in a weather ship routing system using three different formulations. The investigation is supported by the use of a ship routing system, the ... -
An agile simheuristic for the stochastic team task assignment and orienteering problem: applications to unmanned aerial vehicles
Panadero, Javier; Juan Pérez, Ángel Alejandro; Grifoll Colls, Manel; Dehghanimohamamdabadi, Mohammad; Freixes, Alfons; Serrat Piè, Carles (2020)
Text en actes de congrés
Accés obertEfficient coordination of unmanned aerial vehicles (UAVs) requires the solving of challenging operational problems. One of them is the integrated team task assignment and orienteering problem (TAOP). The TAOP can be seen ... -
Analysis of current intensification in the NorthWest Mediterranean Shelf
Mestres Ridge, Marc; Grifoll Colls, Manel; Sánchez-Arcilla Conejo, Agustín (2016-02)
Article
Accés obertFlow intensification episodes lasting more than 12 h are observed occasionally at different locations along the Northwestern Mediterranean coast. In the last years, these pulses have hindered ship operations outside the ... -
Analysis of factors affecting the effectiveness of oil spill clean-up: A bayesian entwork approach
Zhong, Liangxia; Wu, Jiaxin; Wen, Yiqing; Yang, Bingjie; Grifoll Colls, Manel; Hu, Yunping; Zheng, Pengjun (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-10)
Article
Accés obertShip-related marine oil spills pose a significant threat to the environment, and while it may not be possible to prevent such incidents entirely, effective clean-up efforts can minimize their impact on the environment. The ... -
Analysis of taxi travels during an epidemic period using system dynamics method
Yao, Haipeng; Huang, Zhen; Ye, Xiaofei; Grifoll Colls, Manel; Liu, Guiyun; Zheng, Pengjun (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-16)
Article
Accés obertThis paper explores the factors influencing taxi travel in the context of COVID-19 from both demand and supply sides and provides a quantitative comparison of taxi travel characteristics and taxi industry operations before ... -
Annual General Assembly : International Association of Maritime Universities (IAMU)
Grifoll Colls, Manel; Martínez de Osés, Francesc Xavier; Castells Sanabra, Marcel·la; Martín Mallofré, Agustí (International Center for Numerical Methods in Engineering (CIMNE), 2018-10-17)
Comunicació de congrés
Accés obert978-84-947311-7-4 -
Assessing nature based solutions for managing coastal bays
Fernández-Pedrera Balsells, Marta; Mestres Ridge, Marc; Fernández Tejedor, Margarita; Cerralbo Peñarroya, Pablo; Espino Infantes, Manuel; Grifoll Colls, Manel; Sánchez-Arcilla Conejo, Agustín (2020-05)
Article
Accés restringit per política de l'editorialThis work investigates the hydrodynamic response of two small and shallow bays located in the Ebro Delta, in order to solve the problems affecting mussel farms, such as the high temperatures reached in the summer period ... -
Assessment of aquaculture rafts exposure at river-borne substances using numerical modelling
Chen, Yang; Grifoll Colls, Manel; Espino Infantes, Manuel; Fernández Tejedor, Margarita; Fernández-Pedrera Balsells, Marta; Sánchez-Arcilla Conejo, Agustín (2022)
Text en actes de congrés
Accés restringit per política de l'editorialCoastal bays and estuaries with aquaculture activity may show spatial variability on the exposure at river-borne substances such as nutrients, pesticides or pollutants. In function of the relative geographical position of ... -
Breaching of a barrier beach under extreme events: the role of morphodynamic simulations
Gracia Garcia, Vicente; García León, Manuel; Grifoll Colls, Manel; Sánchez-Arcilla Conejo, Agustín (Coastal Education Research Foundation (CERF), Coastal Processes Research Group, School of Marine Science and Engineering, Plymouth University, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialA study of three breaching episodes of the Trabucador barrier beach (Spanish Mediterranean coast) is presented. The analysis is done from a modeling perspective using XBEACH and SWAN. The morphodynamic model (XBEACH) has ... -
Caracterização da agitação marítima ao largo de Maputo
Guiloviça, C.B.; Oliveira, Tiago Castro Alves; Palalane, J.; Grifoll Colls, Manel; Gómez Aguar, Jesús Javier; Espino Infantes, Manuel (2011)
Text en actes de congrés
Accés restringit per política de l'editorialO objectivo deste trabalho é fazer a caracterização da agitação marítima ao largo de Maputo. Na ausência de dados de bóias e dados visuais que permitissem executar uma caracterização da agitação a longo prazo optou-se pela ... -
Characterization of bottom sediment resuspension events observed in a micro-tidal bay
Grifoll Colls, Manel; Cerralbo Peñarroya, Pablo; Guillén Aranda, Jorge; Espino Infantes, Manuel; Boye Hansen, Lars; Sánchez-Arcilla Conejo, Agustín (2019-03)
Article
Accés obertIn this study we investigate the variability in near-bottom turbidity in Alfacs Bay (in the northwestern Mediterranean Sea). The bay is characterized by a micro-tidal environment and seiching activity that may lead to flow ... -
Characterizing the evolution of the container traffic share in the mediterranean sea using hierarchical clustering
Grifoll Colls, Manel; Karlis, Thanassis; Ortego Martínez, María Isabel (2018-12)
Article
Accés obertThis research investigates the traffic share evolution of the container throughput in the Mediterranean ports from 2000 to 2015 considering hierarchical clustering and concentration indexes. Compositional Data analysis ... -
Characterizing the evolution of the Yangtze River Delta multi-port system using compositional data techniques
Huang, Dong; Grifoll Colls, Manel; Feng, Hongxiang; Ortego Martínez, María Isabel; Zheng, Pengjun (2021-09-12)
Article
Accés obertThe Yangtze River Delta multi-port system (YMPS) receives increasing attention due to its relevance in world trade and excellent competitiveness in the container traffic market. To insight into the development pattern of ... -
Coastal ocean forecasting in Spanish ports: the SAMOA operational service
García Sotillo, Marcos; Cerralbo Peñarroya, Pablo; Lorente Jiménez, Pablo; Grifoll Colls, Manel; Espino Infantes, Manuel; Sánchez-Arcilla Conejo, Agustín; Álvarez Fanjul, Enrique (2020-01)
Article
Accés obertSAMOA (Sistema de Apoyo Meteorológico y Oceanográfico de la Autoridad Portuaria) is the latest initiative of Puertos del Estado, the Spanish Public State Port Agency, to enhance the delivery of user-customised operational ... -
Collision risk assessment for ships’ routeing waters: An information entropy approach with Automatic Identification System (AIS) data
Feng, Hongxiang; Grifoll Colls, Manel; Yang, Zhongzhen; Zheng, Pengjun (2022-06-01)
Article
Accés obertThe ship's routing was adopted to organise marine traffic flow and reduce the risk of collision between ships in crowded waters. With the expansion of the world's fleet, ship traffic in shipping bottleneck and chokepoint ...