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DHA/NPE - Comunicações a congressos e artigos de revista: Recent submissions

Now showing items 201-220 of 678

Validação do protótipo do sistema To-SEAlert para o porto da Ericeira. Depressões Elsa e Fabien

Zózimo, A. C.; Fortes, C. J. E. M.; Pinheiro, L. (Instituto Hidrográfico, 2020-11)

Neste trabalho é efetuada a validação do protótipo To-SEAlert para o porto da Ericeira. Para a validação dos resultados do modelo SWAN foram utilizados os dados de duas boias situadas ao largo da Nazaré e para a validação ...
Behaviour of moored ships in Azorean ports during hurricanes Lorenzo and Elsa

Pinheiro, L.; SANTOS, M.I.; Fortes, C. J. E. M.; Zózimo, A. C. (Instituto Hidrográfico, 2020-11)

This work presents the results of numerical simulations of two ferry ships moored inside two ports of Pico’s Island: São Roque and Madalena, during the recent passage of two major storms in the Northern Atlantic in 2019, ...
Three-dimensional survey in scale model tests of rubble-mound breakwaters. Laser scanning and time of flight methodologies

Lemos, R.; Santos, J. A.; Fortes, C. J. E. M.; Kerpen, N.B. (Instituto Hidrográfico, 2020-11)

The assessment of damage evolution in scale model tests of rubble-mound breakwaters can be achieved by comparing eroded depths and volumes between consecutive surveys. This paper focuses on damage evolution of a model of ...
The HIDRALERTA system: Application to the ports of Madalena do Pico and S. Roque do Pico, Azores

Fortes, C. J. E. M.; Reis, M. T. L. G. V.; Pinheiro, L.; Poseiro, P.; Serrazina, V.; Mendonça, A. C.; SMITHERS, N; SANTOS, M.I.; Barateiro, J.; Azevedo, E. B.; SALVADOR, M.; Reis, F. (Taylor & Francis, 2020-09)

HIDRALERTA is a forecast and early warning system for coastal and port regions capable of predicting emergency situations, as well as carrying out risk assessment. The system concentrates on evaluating wave overtopping and ...
Experimental investigation on the power capture of an oscillating wave surge converter in unidirectional waves

Brito, M.; Ferreira, R. L.; Teixeira, L; Neves, M. G.; R. Canelas (Elsevier, 2019-11)

The aim of this paper is the experimental characterization of the capture width ratio (CWR) and response amplitude operator (RAO) of a 1:10 physical model of an oscillating wave surge converter (OWSC), under unidirectional ...
Experimental investigation of the flow field in the vicinity of an oscillating wave surge converter

Brito, M.; Ferreira, R. L.; Teixeira, L; Neves, M. G.; GIL, L. (MDPI, 2020-12)

The main objective of this paper is to characterize the flow field on the front face of an oscillating wave surge converter (OWSC) under a regular wave. For this purpose, the longitudinal and vertical velocity components ...
Experiences with SWASH on modelling wave propagation over vegetation: comparisons with lab and field data

Reis, R.; Pires Silva, A.; Fortes, C. J. E. M.; Suzuki , T. (APRH, 2020-08)

The vegetation capacity to protect the coasts from wave action is becoming more important and attractive due to ongoing sea level rise and increasing storminess. In addition, it is a quite environmentally friendly way. ...
A methodology for the evaluation of evolution and risk of breakwaters. Application to Portimão harbor and of Faro-Olhão inlet

Lemos, R.; Capitão, R.; Fortes, C. J. E. M.; Henriques, M. J.; Silva, L. G.; Martins, T. (APRH, 2020-08)

This paper describes a program under the responsibility of LNEC for the systematic observation and monitoring of maritime works that has successfully been applied to a number of maritime structures on the Portuguese mainland ...
3D survey modelling for damage assessment in rubble-mound breakwaters under oblique wave incidence

Lemos, R.; Peña, E.; Santos, J. A.; Sande, J.; Figuero, A.; Alvarellos, A.; Laiño, E.; Reis, M. T. L. G. V.; Fortes, C. J. E. M.; Kerpen, N.B.; Coelho, R. (Sapienza Università Editrice, 2020-01)

Several authors have proposed guidelines on how to consider the effects of oblique waves on the stability of armour layers of rubble-mound breakwaters. Especially for very oblique waves, for which the increase in stability ...
Analysis of the incident sea - waves in the rodbreak experiment

Pinheiro, L.; Santos, J. A.; Spans, J.H.; Fortes, C. J. E. M. (Sapienza Università Editrice, 2020-01)

The RODBreak experiment aimed at characterizing wave runup, overtopping and damage in rubble-mound breakwaters with oblique wave incidence. a stretch of a rubble-mound breakwater was built in the wave basin of the Leibniz ...
Sines breakwater harbour: the OSOM+ monitoring program

Fortes, C. J. E. M.; Capitão, R.; Lemos, R.; Neves, M. G.; Silva, L. G.; Henriques, M. J.; Martins, T. (Sapienza Università Editrice, 2020-01)

The current program of Systematic Observation of Maritime Works (OSOM+), under development at the National Laboratory for Civil Engineering (LNEC), is essentially applied to rubble mound breakwaters. The OSOM’s main objective ...
Numerical analysis of the influence of air compressibility effects on an oscillating water column wave energy converter chamber

Gonçalves, R.; Teixeira, P.; Didier, E.; Torres, F. (Elsevier, 2020-02)

The most studied device used for extracting wave energy is the Oscillating Water Column (OWC). In general, numerical simulations of these cases by means of models based on Reynolds Averaged Navier-Stokes equations adopt ...
Numerical analysis of the performance of two onshore oscillating water column wave energy converters at different chamber wall slopes

Gaspar, L. A.; Teixeira, P.; Didier, E. (Elsevier, 2020-02)

In this study, a numerical analysis of the performance of two Oscillating Water Column (OWC) wave energy converters, at different front and back wall slopes, was carried out. The first device had vertical front and back ...
Observação e monitorização de obras marítimas com a nova metodologia OSOM+

Fortes, C. J. E. M.; Capitão, R.; Henriques, M. J.; Lemos, R.; Neves, M. G.; Reis, M. T. L. G. V.; Silva, L. G. (Instituto Federal do Paraná, 2019-04)

This paper describes a programme under the responsibility of the National Laboratory for Civil Engineering (LNEC), Portugal for the systematic observation and monitoring of maritime works, termed OSOM+, which has been ...
Hidralerta system: application to the Madalena do Pico and S. Roque do Pico ports

Fortes, C. J. E. M.; Reis, M. T. L. G. V.; Poseiro, P.; Pinheiro, L.; Mendonça, A. C.; SALVADOR, M.; Reis, F.; Azevedo, E. B. (EdiBios, 2019-09)

Under the framework of the ECOMAPORT project, two new prototypes of the forecast, early warning and risk management HIDRALERTA system to the ports of Madalena do Pico and S. Roque do Pico, both on the Island of Pico, Azores ...
Sines breakwater harbour: the OSOM+ monitoring program

Fortes, C. J. E. M.; Capitão, R.; Lemos, R.; Neves, M. G.; Silva, L. G.; Henriques, M. J.; Martins, T. (EdiBios, 2019-09)

Since 1986, the National Laboratory for Civil Engineering (LNEC) has developed a program for Systematic Observation of Maritime Works (OSOM) for the structures under the responsibility of the former Port and Maritime ...
Analysis of the incident sea-waves and of the consequent run-up in the RODBreak experiment

Spans, J.H.; Santos, J. A.; Fortes, C. J. E. M.; Pinheiro, L. (EdiBios, 2019-09)

In 2017, the RODBreak experiment was conducted. The experiment aimed at characterizing wave run-up, overtopping and damage in rubble-mound breakwaters. The reason for these experiments was the huge impact that climate can ...
Risk forecast system for a moored ferry ship in S. Roque do Pico port

Pinheiro, L.; Fortes, C. J. E. M.; Reis, M. T. L. G. V.; Poseiro, P. (EdiBios, 2019-09)

In this paper, the development of such system, called SWAMS ALERT, is detailed and an illustration on how it applies to a real port is presented, namely the port of S. Roque do Pico. SWAMS ALERT is as risk forecast and ...
Damage assessment in rubble-mound breakwaters under oblique wave incidence

Lemos, R.; Peña, E.; Santos, J. A.; Sande, J.; Figuero, A.; Alvarellos, A.; Laiño, E.; Reis, M. T. L. G. V.; Fortes, C. J. E. M.; Kerpen, N.B. (EdiBios, 2019-09)

Regarding the stability of armour layers, several authors have proposed guidelines on how to consider the effects of oblique waves (e.g. Yu et al., 2002, Van Gent, 2014; Maciñeira & Burcharth, 2016). Especially for very ...
Measuring armour layer damage in rubble-mound breakwaters under oblique wave incidence

Lemos, R.; Reis, M. T. L. G. V.; Fortes, C. J. E. M.; Peña, E.; Sande, J.; Figuero, A.; Alvarellos, A.; Laiño, E.; Santos, J. A.; Kerpen, N.B. (Hydraulic Engineering Repository, 2019-09)

This paper presents a set of scale-model tests carried out to extend the range of wave steepness values analyzed in wave run-up, overtopping and armour layer stability studies, focusing on oblique extreme wave conditions ...

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