A CFD approach to rubble mound breakwater design
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The paper provides some developments of a numerical approach (“Numerical Calculation of Flow Within Armour Units”, FWAU) to the design of rubble mound breakwaters. The hydrodynamics of wave induced flow within the interstices of concrete blocks is simulated by making use of advanced, but well tested, CFD techniques to integrate RANS equations. While computationally very heavy, FWAU is gaining ground, due to its obvious advantages over the “porous media”, i.e. the possibility of accounting for the highly non stationary effects, the reduced need of ad hoc calibration of filtration parameters and also e in perspective e the evaluation of hydrodynamic forces on single blocks. FWAU however is a complex technique, and in order to turn it into a practical design tool, a number of difficulties have to be overcome. The paper presents recent results about this validation, as well as insight into fluid dynamical aspects.
Abstract
The paper provides some developments of a numerical approach (“Numerical Calculation of Flow Within Armour Units”, FWAU) to the design of rubble mound breakwaters. The hydrodynamics of wave induced flow within the interstices of concrete blocks is simulated by making use of advanced, but well tested, CFD techniques to integrate RANS equations. While computationally very heavy, FWAU is gaining ground, due to its obvious advantages over the “porous media”, i.e. the possibility of accounting for the highly non stationary effects, the reduced need of ad hoc calibration of filtration parameters and also e in perspective e the evaluation of hydrodynamic forces on single blocks. FWAU however is a complex technique, and in order to turn it into a practical design tool, a number of difficulties have to be overcome. The paper presents recent results about this validation, as well as insight into fluid dynamical aspects.
참고문헌 (29)
- Brown, C.T., "Variable distribution of armour on seawalls and breakwaters", 10th Coasts, Marine Structures and Breakwaters Conference 2013: from Sea to Shore - Meeting the Challenges of the Sea, 1, pp.149~154 (2013)
- Buccino, M., "The use of CFD in the analysis of wave loadings acting on seawave slot-cone generators", Sustain. Switz., 8(12) (2016)
- Cavallaro, L., "Rubble mound breakwater overtopping estimation of the reliability of a 3D numerical simulation", 33rd International Conference on Coastal Engineering (2012)
- Chopakatla, S.C., "Field verification of a computational fluid dynamics model for wave transformation and breaking in the surf zone", J. Watarw. Port, Coast. Ocean Eng., 134(2), pp.71~81 (2008)[DOI]
- CIRIA, "The Rock Manual. The Use of Rock in Hydraulic Engineering", pp.C683~ (2007), CIRIA
- Daliri, M., "A CFD study on the structural response of a sloping top caisson subject to wave overtopping", Proceedings of 35th International Conference on Coastal Engineering, ICCE 2016 (2016)
- Dentale, F., "A numerical assessment of scale effects on wave breaking modeling", 3rd SCACR International Short Course and Workshop on Applied Coastal Research (2008)
- Dentale, F., "Wave run up and reflection on tridimensional virtual breakwater", J. Hydrogeol. Hydrologic Eng., 1(1) (2012)
- Dentale, F., "Rubble Mound breakwater: run-up, reflection and overtopping by numerical 3D simulation", 10th Coasts, Marine Structures and Breakwaters Conference 2013: from Sea to Shore - Meeting the Challenges of the Sea, 2, pp.1164~1173 (2014)
- Dentale, F., "Simulation of flow within armour blocks in a breakwater", J. Coast. Res., 30(3), pp.528~536 (2014)
- Fabio Dentale, "Numerical wave interaction with tetrapods breakwater", International Journal of Naval Architecture and Ocean Engineering, 6(4), pp.800~812 (2014), 대한조선학회
- Dentale, F., "A numerical method to analyze the interaction between sea waves and rubble mound emerged breakwaters", WSEAS Trans. Fluid Mech., 10, pp.106~116 (2015)
- Fang, Z., "Development of 3-D numerical wave tank and applications on comb-type breakwater", 29th International Conference on Ocean, Offshore and Artic Engineering (OMAE 2010) (2010)
- Foti, E., "Experimental investigations of the bed evolution in wave flumes: performance of 2D and 3D optical systems", Coast. Eng., 58(7), pp.606~622 (2011)[DOI]
- Garcia, N., "2-D numerical analysis of near-field flow at low-crested breakwaters", Coast. Eng., 51(10), pp.991~1020 (2004)[DOI]
- Giarrusso, C.C., "On the stability of protected beaches", Sixth International Conference on Computer Modelling and Experimental Measurement of Seas and Coastal Regions (2003)
- Goda, Y., "Estimation of incident and reflected waves in random wave experiments", 15th International Conference on Coastal Engineering (ASCE) (1976)
- Hsu, T.J., "A numerical model for wave motions and turbulence flows in front of a composite breakwater", Coast. Eng., 46, pp.25~50 (2002)[DOI]
- Latham, J.P., "New modelling and analysis methods for concrete armour unit systems using FEMDEM", Coast. Eng., 77, pp.151~166 (2013)[DOI]
- Li, T., "Wave overtopping over a sea dike", J. Comput. Phys., 198, pp.686~726 (2004)[DOI]
- Liu, P.F., "Solitary wave run up and force on vertical barrier", J. Fluid Mech., 505, pp.225~233 (2004)[DOI]
- Lopez, L.F.C., "Experimental campaign on the overtopping of the seawall Malecon Tradicional", 25th International Ocean and Polar Engineering Conference, ISOPE 2015, pp.1499~1505 (2015)
- Losada, I.J., "Numerical analysis of wave overtopping of rubble mound breakwaters", Coast. Eng., 55, pp.47~62 (2008)[DOI]
- Spadea, S., "Energy dissipation capacity of concretes reinforced with recycled PET fibers", Ing. Sismica, 31(2), pp.61~70 (2014)
- Van der Meer, J.W., "Wave run up on smooth and rock slopes of coastal structures", J. Waterw. Port, Coast. Ocean Eng., 5(118) (1992)
- Viccione, G., "Simulating fluid-structure interaction with SPH", AIP Conf. Proc., 1479(1), pp.209~212 (2012)
- Vicinanza, D., "Structural response of seawave slot-cone generator (SSG) from randomwave CFD simulations", 25th International Ocean and Polar Engineering Conference, ISOPE 2015, pp.985~991 (2015)
- Xiang, J., "Simulation tools for numerical breakwater models including coupled fluidity", Y3d waves, 2012, ~
- Zanuttigh, B., "Wave reflection from coastal structures", XXX International Conference on Coastal Engineering (2006)