Abstract
Arrays of vertical cylinders are essential components of many coastal structures, such as bridge piers, platform legs, and pile breakwaters. Thus, estimating the maximum wave and current-induced forces and moments on such structures is most important. Following a thorough literature review, the authors proceeded with an experimental study in order to investigate the forces exerted by random waves and a superimposed current on an array of three vertical cylinders as a function of the inter-cylinder gap and the angle of wave incidence over a wide range of wave and current conditions in shallow water.
Highlights
Vertical cylinders are essential components of many coastal structures; such as bridge piers, offshore platform legs, and pile breakwaters
(Kakuno et al, 1996) derived a formula for computing wave forces acting perpendicularly on an array of vertical cylinders based on Kakuno and Liu’s perturbation theory (Kakuno and Liu, 1993), where the distance between two adjacent cylinders was assumed to be smaller than the wave length of the incident wave such that flow separation and energy dissipation are taken into account
The hydrodynamic forces and moments acting on the cylinder arrays were measured and analyzed as described in the previous sections
Summary
Vertical cylinders are essential components of many coastal structures; such as bridge piers, offshore platform legs, and pile breakwaters. Numerous previous studies have investigated theoretically and experimentally the wave-induced forces acting on a single cylinder in shallow water, where the wave forces may be estimated based on the well-known Morison equation with kinematics from a suitable shallow water wave theory. Quite a few studies have investigated theoretically the wave-induced forces acting on array of circular cylinders (Massel, 1976), (Iskandarani and Liu, 1988) and (Linton and McIver, 1996). Most of these studies have ignored flow separation. The formula was verified using square cylinders and it showed good agreement with experimental data
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
