Impact Forces on Platform Horizontal Members In the Splash Zone

Kaplan, Paul; Silbert, Mark N.

doi:10.4043/2497-ms

Cited by 11 publications

(12 citation statements)

References 1 publication

(2 reference statements)

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“…which is identical with the expression given by Kaplan and Silbert [9] for the wave slam on a cylindrical platform. An important parameter in vertical water entry is the so-called slamming coefficient defined by …”

Section: Dzo(t) = Vr(t)dt = -R Sin Oo (T)doosupporting

confidence: 68%

“…The studies conducted so far in this problem dealt with the wave-slam on horizontal members of cylindrical cross-sections. (Kaplan and Silbert [9], Dalton and Nash [5], Faltinsen et al [6], and Sarpkaya [17]). The analysis presented in these papers employs the added-mass concept of the wetted portion of the body together with its image within the free surface, and is based on the well-known solution for the added mass of a segment of a circle (Taylor [24]).…”

Section: T Milohmentioning

confidence: 99%

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Wave slam on a sphere penetrating a free surface

Miloh

1981

J Eng Math

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The problem of vertical motion of a sphere across an oscillating free surface is analysed by assuming the fluid to be inviscid and the free surface to be an equipotential surface. New analytical solutions for the added-mass coefficients of a double spherical bowl are derived. These are used in the derivation of the drag coefficient of a sphere during vertical entry and of the slamming coefficient of a fixed sphere which is exposed to wave action. An additional important parameter in hydroballistics is the wetting factor of a sphere penetrating a free surface for which a new analytic solution is also derived in this paper. A comparison between some experimental data and the analytic expressions for the slamming coefficient and the wetting factor, shows good agreement between theory and measurements.

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Section: Dzo(t) = Vr(t)dt = -R Sin Oo (T)doosupporting

confidence: 68%

Section: T Milohmentioning

confidence: 99%

Wave slam on a sphere penetrating a free surface

Miloh

1981

J Eng Math

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“…The presence of longitudinal beams was found to slightly increase applied forces, whilst transversal beams, causing air pockets to be entrapped between the wave and the structural boundaries, reduce slam forces. Kaplan and Silbert (1976), Kaplan (1979Kaplan ( , 1992, Kaplan et al (1995) investigated wave forces on flat decks and horizontal beams on offshore platforms. Moving from the original work by Morison et al (1950), they developed a semi-analytical model for the evaluation of wave-in-deck time-history loads on both vertical and horizontal members.…”

Section: Previous Workmentioning

confidence: 98%

Wave-in-deck loads on exposed jetties

Cuomo

Tirindelli²,

Allsop

2007

Coastal Engineering

123

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“…Probably one of the most studied is the issue of storm wave impact on offshore platforms. A sampling of work, spanning experimental and numerical attempts to develop design formulas for the loads, can be found in [6][7][8][9][10][11][12][13][14][15][16][17][18]. The second area is storm wave breaking on coastal structures, especially seawalls and breakwaters [19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Experimental Results of Tsunami Bore Forces on Structures

Robertson

Riggs

Mohamed

2008

Volume 1: Offshore Technology

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A series of experiments has been carried out at the Tsunami Wave Basin (TWB) at Oregon State University (OSU) to determine the effect of tsunami bores on coastal and nearshore structures, especially buildings and bridges. The TWB is equipped with a piston-type wavemaker capable of generating clean solitary waves. The facility was used to model tsunami bores breaking over coastal reefs and their impact on structural components, including columns, walls, and horizontal members, such as building floors and bridge decks. Detailed wave height and velocity measurements were recorded as well.This paper focuses on the fluid forces of a bore impacting a wall/floor system. The experimental setup will be described and force results will be presented. The experimental results provide needed data to validate CFD models that can then be used to determine forces for a wider variety of situations.

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Impact Forces on Platform Horizontal Members In the Splash Zone

Cited by 11 publications

References 1 publication

Wave slam on a sphere penetrating a free surface

Wave slam on a sphere penetrating a free surface

Wave-in-deck loads on exposed jetties

Experimental Results of Tsunami Bore Forces on Structures

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