Maximum Wave Forces: Evaluation and Case Studies

Barbaro, Giuseppe; Foti, Giandomenico; Sicilia, Carmelo Luca

doi:10.1115/omae2013-10427

Cited by 3 publications

(4 citation statements)

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“…According to Barbaro, 1922 the maximum force acting on piles can be evaluated using the following expression, valid for regular waves, obtained from the manipulation of Eq. (1): for 0 ≤ x ≤ 1, where x stands for sin(ω t ) and with Eq.…”

Section: Force Exerted By Surface Waves On Pilesmentioning

confidence: 99%

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Evaluation of the Horizontal Wave Forces on Piles

Barbaro

Foti

Sicilia

2014

Air, Soil and Water Research

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Reliability of offshore platforms is an important issue in the prevention of environmental disasters. In this paper, the variation of the horizontal force exerted on an offshore gravity platform is analyzed to achieve a deep comprehension of a storm scenario. Considering the wave motion as a potential motion, the quasi-determinism theory is applied to obtain the kinematic characteristics of a storm. The evolution of force against time is analyzed through the Morison's equation, diffraction theory, and a simplified method. Moreover, two case studies are examined, one in the Ortona region of the Italian coast and the other in the Gulf of Alaska, USA.

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Section: Force Exerted By Surface Waves On Pilesmentioning

confidence: 99%

“…In that regard, it could be useful to apply a simplified model such as the one proposed by Barbaro. 1922…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Horizontal Wave Forces on Piles

Barbaro

Foti

Sicilia

2014

Air, Soil and Water Research

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“…Although a quite comprehensive understanding of the vortex dynamics in a cylinder's wake has been achieved (as reflected in the reviews by Williamson (1996) and many other researchers), the simplicity of the geometry and the abundance of interesting flow features continue to make this phenomenon the subject of many current studies. During the last years, many studies were performed in order to investigate wave forces on vertical cylinders, for example [1], [2], [3], [4], [5]; pipelines at intermediate water depths are also subjected to currents plus waves causing large variations in the velocities and thereby Reynolds number (Re=UcD/υ, where Uc is the free stream velocity, D is the diameter of the cylinder and υ is the kinematic viscosity of the fluid), most often appearing in the range from 10 3 to 10 7 . The numerical research of the flow with comparable Re is limited, while the higher Re cases are studied in several publications.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Velocity and Pressure Field Around a Cylinder at Moderate Reynolds Number

Minniti¹,

Fiamma²,

Barbaro³

et al. 2019

IJARET

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Many offshore structures contain cylindrical elements, such as cladding platforms, jackets, tension-leg platforms and marine pipelines. However, exposure to current and waves can cause oil leakage. Conducts at intermediate water depths are subject to currents plus waves causing large variations in velocities and hence the Reynolds number (Re = UcD / υ, where Uc is the free flow velocity, D is the diameter of the cylinder and υ is the kinematic viscosity of the fluid) most often appears in the range from 10 ^ 3 to 10 ^ 7. It is therefore important to understand the flow around the circular cylinder in the effective Re range.In recent years there is a strong use of computational fluid dynamics (CFD) which is a branch of fluid mechanics that uses numerical analysis and data structures to solve and analyze problems involving fluid flow and also interaction between waves and structures. The main use of CFD is to solve the Navier-Stokes equations and their equations. There are therefore several methods to solve the Navier-Stokes equations, and since they are generally high-cost computational operations, more sophisticated model-based approaches have been developed: -Direct numerical simulation F. Minniti, V. Fiamma, G. Barbaro and P. Puntorieri http://www.iaeme.com/IJARET/index.asp 48 editor@iaeme.com -Reynolds Averaged Navier-Stokes (RANS) -Large Eddy Simulation (LES)This paper deals with the use of CFD to determine the flow field concerning the complex interaction of a cylindrical structure with a fluid using the approach based on Reynolds Averaged Navier-Stokes (RANS).

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“…Coastal erosion can be limited by two different approaches: soft intervention (beach nourishment [14]) and hard intervention (use of structures such as breakwaters and groins [15][16][17]). Obviously, the reliability of any intervention must be assessed not only in the context of simplifying assumptions, but also in realistic situations involving irregular wave dynamics [18] and, if appropriate, their interaction with structures [19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Historical Evolution of the Shoreline of Reggio Calabria

Barbaro

Foti

Sicilia

2014

AEF

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Abstract. The urban development in the last century was characterized by a depopulation of the mountains and a concentration of the population in urban areas, most of them are located near the coast. This factor increased significantly the problems and risks connected to coastal erosion. Thus, it implied a stricter monitoring activity in order to protect the coast and the population, as well. This paper discusses the historical variation of the shoreline in Reggio Calabria.

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Maximum Wave Forces: Evaluation and Case Studies

Cited by 3 publications

References 0 publications

Evaluation of the Horizontal Wave Forces on Piles

Evaluation of the Horizontal Wave Forces on Piles

Numerical Simulation of Velocity and Pressure Field Around a Cylinder at Moderate Reynolds Number

Historical Evolution of the Shoreline of Reggio Calabria

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