WECANet Training school "Numerical modelling of WEC using SPH models"

Campus de Ourense, Universidade de Vigo, Spain

22/01/2020-23/01/2020

Dates

2/01/2020-23/01/2020

Venue

The course will take place in “Campus da Auga Building” Rúa Canella da Costa da Vela, 12, 32004 Ourense (https://goo.gl/maps/1Kbuqpk2YzwBHyZCA) MAP: https://www.google.com/maps/d/viewer?mid=1L89M2wVo0x20DEEgu4bF-bzyzDnZTHMa&usp=sharing

Description

This training school aims to give a good introduction about the meshless particle methods based on SPH (Smoothed Particle Hydrodynamics) methodology and its benefits in the simulation of Wave Energy Converters (WECs). SPH is an ideal technique to simulate free-surface flows and presents several advantages compared with mesh-based methods to simulate violent wave-structure interactions. There is no special treatment to detect the free surface so large deformation can be efficiently treated since there is no mesh distortion. Other important advantage is that moving complex boundaries and interfaces are easily handled The open-source code DualSPHysics has been designed to use SPH for real engineering problems. The latest version of DualSPHysics includes, in the same meshless framework, the functionalities to study the wave-structure interaction, the mooring forces and the numerical behaviour of the Power Take-Off (PTO) system. Mooring forces are solved by the library MoorDyn that has been also coupled with DualSPHysics. PTO (and mechanical constraints of the device) can be now simulated using the coupling with the multiphysics library Project Chrono. This implementation allows for the efficient treatment of kinematic restrictions with user defined dynamic properties such as friction and restitution coefficients, restitution forces from spring and damper systems and user-imposed forces and trajectories. The efficiency of different WECs can be studied by computing the hydrodynamic response of the devices interacting under different wave conditions. The survivability of the devices will be analysed in terms of the motions of the device and the mooring tensions at the anchors (and fairleads). The course will include lectures about: i) basis of SPH method; ii) advantages & disadvantages comparing with mesh-based CFD models; iii) description of DualSPHysics code and latest developments; iv) applications of DualSPHysics in coastal engineering with focus on WECs. In addition, practical session is also organised where delegates will learn how to run simulations following some examples of: i) wave generation and propagation, ii) waves interacting with floating only heave absorber, iii) waves interacting with Oscillating Wave Surge Converter (OWSC), iv) waves interacting with devices similar to Pelamis.

Outputs

Delegates will be trained about the use of the meshless numerical model named DualSPHysics that solves not only the non-linear interaction between waves and structures (fixed and floating) but also the mechanical constraints present in the PTOs and forces by mooring lines. The principle output from the Training School is the development of explicit knowledge of numerical modelling of WECs. This includes both the course content as well as the development of personal links for the Training School trainees that can be reinvested in other COST Action activities.  

Trainers

Prof. Aleksander Grm University of Ljubljana, Slovenia Prof. Moncho Gómez Gesteira University of Vigo, Spain Dr. Alejandro Crespo University of Vigo, Spain Dr. José M. Domínguez University of Vigo, Spain Dr. Corrado Altomare Universitat Politecnica de Catalunya, Spain

Course content

Day 1: 22nd January 2020 (Campus da Auga, Ourense, Spain) Time Content Trainer Venue 08:30-09:00 Registration Campus da Auga Building. Room 3.1 09:00-09:30 Numerical hydrodynamic modelling for WECs Prof. Aleksander Grm Campus da Auga Building. Room 3.1 09:30-10:30 The Smoothed Particle Hydrodynamics method Prof. Moncho Gómez Gesteira Campus da Auga Building. Room 3.1 10:30-11:00 Coffee break Faculty of Business Sciences 11:00-11:45 The DualSPHysics code Dr. José M. Domínguez Campus da Auga Building. Room 3.1 11:45-12:30 Wave generation and applications in coastal engineering Dr. Corrado Altomare Campus da Auga Building. Room 3.1 12:30-13:00 Introduction to practical session Dr. Alejandro Crespo Campus da Auga Building. Room 3.1 13:00-15:00 Lunch Faculty of Business Sciences 15:00-18:00 Practical session I: Dam-break, Regular waves DualSPHysics team Campus da Auga Building. Room 2.8

Day 2: 23rd January 2020 (Campus da Auga, Ourense, Spain) Time Content Trainer Venue 09:00-09:30 Coupling with Chrono and MoorDyn Dr. Alejandro Crespo Campus da Auga Building. Room 3.1 09:30-10:30 “Your own experience with SPH” Timothy Vervaet Daniel Clemente Bonaventura Tagliafierro Pablo Ropero Campus da Auga Building. Room 3.1 10:30-11:00 Coffee break Faculty of Business Sciences 11:00-13:00 Practical session II: Point absorber, Moorings DualSPHysics team Campus da Auga Building. Room 2.8 13:00-15:00 Lunch Faculty of Business Sciences 15:00-18:00 Practical session III: OWSC, Pelamis DualSPHysics team Campus da Auga Building. Room 2.8 18:00-18:10 Closure Campus da Auga Building. Room 2.8

Travel

Airports: Madrid airport (MAD) is a very good possibility because it is well communicated with Ourense by train (4 hours). The two closest (about 100km) international airports to Ourense are: Santiago (SCQ) and Vigo (VGO). From Madrid to Ourense: The Airport is connected by Metro with the railway “Chamartín” station, it takes about 45-50 min and the cost is 4.5-5 euros (or you can also take a taxi). Train Madrid-Ourense: It takes about 4h. You can buy the ticket in renfe.com. The ticket price (one-way) ranges from 18 euros in tourist and 59 in business. It is possible to take a round ticket (72 euros). From Santiago airport to Ourense: There is a Bus route between the Airport and Santiago, stopping at different points in the city, including the railway and bus station. Taxi is another possibility (21 euros). Train Santiago-Ourense takes 38 min. More information in renfe.com. Once in Ourense: the best option is to take a taxi to your hotel, about 5-7 euros.

Accommodation

Ourense has multiple hotels ideally located. Here you can find a list (of course, not complete) of the possibilities for your accommodation. We recommend to book your room as soon as possible. The price range is for a double room. <60 euros: Hotel Irixo (20 min by foot) Hotel Zarampallo (20 min by foot) Hotel Miño* (20 min by foot) Hotel Altiana (20 min by foot) As Burgas Residence Hall (2 min by foot) 60-100 euros: Hotel Princess** (12 min by foot) Hotel Francisco II (12 min by foot) NH Ourense (8 min by foot) Hotel Carris Cardenal Quevedo**** (8 min by foot)

Further Information

For more information, contact Dr Alex Crespo alexbexe@uvigo.es