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INFRAESTRUCTURAS
Introduction
The wave tank is 28 metres long, 8.6 metres wide and 1.2 metres deep. It features a wave
generation system based on ten 80 cm wide piston-driven paddles, driven by alternating
current actuators capable of reproducing any type of analogical signal within the movement
and speed range of the actuators. The maximum height generated depends on the depth of
the water before the paddles and the period desired. To give an idea of the scale, a wave
with a maximum height of 35 cm, with a period of 3 seconds, can be generated in a depth
of 60 cm.
The tank features concrete walls and base. The first 2 m behind the paddles are used to dissipate waves generated in the said area. The opposite end features six metres of expanded steel plates used to dissipate the energy of the waves in the transmission area.
The test area is 8.6 metres wide and approximately 14 metres long. The tank includes a 5 ton gantry crane in the test chamber.
Use
This tank is used for three-dimensional and bi-dimensional stability, transmission, reflexion and overflow tests on vertical structures and sloping dikes. It is also used to conduct harbour resonance studies to validate mathematical and moving seabed models. It provides the possibility of recreating complex bathymetries and of studying submerged and floating structures.
The multi-paddle wave generation system is capable of reproducing slightly directional long and short crest waves.
Technical data
Geometry:
| Longitude | 28.4 m |
| Width | 8.6 m |
| Height | 1.2 m |
Active wave absorption: No
Current generation: No
Bridge crane: 5 ton
Geometry of the paddle: 10 piston-type paddles, 80 cm in width and 1 m in height
Wave generation curves:
