Modified Goda Equations to Predict Pressure Distribution and Horizontal Forces for Design of Elevated Coastal Structures

Tomiczek, Tori; Wyman, Amy; Park, Hyoungsu; Cox, Daniel T.

doi:10.1061/(asce)ww.1943-5460.0000527

Cited by 19 publications

(1 citation statement)

References 33 publications

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“…Recent developments in the design of tsunami-resistant onshore structures have heightened the need to improve the capacity of building structures including strength, stiffness and ductility to overcome earthquakes and tsunamis sequentially (Rossetto et al 2019;Petrone et al 2020) and also to reduce the hydrodynamic impact forces exerted on the surface of structures. It has been observed that elevated structures and the presence of break-away walls and openings could be effective strategies to reduce wave-induced pressures (Thusyanthan and Madabhushi 2008;Wilson et al 2009;Lukkunaprasit et al 2009;FEMA 2011;Triatmadja and Nurhasanah 2012;Chinnarasri et al 2013;Hartana and Murakami 2015;Ghosh et al 2016;Park et al 2017;Tomiczek et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Influence of Orientation and Arrangement of Structures on Tsunami Impact Forces: Numerical Investigation with Smoothed Particle Hydrodynamics

Pringgana

Cunningham

Rogers

2021

J. Waterway, Port, Coastal, Ocean Eng.

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This paper explores the influence of onshore structures' orientations and arrangements during tsunami impact using the numerical method of smoothed particle hydrodynamics (SPH). Observations from previous tsunami events often reveal variation in the damage and survivability of impacted similar structures. Such variation can be due to shielding effects and other interactions that occur when the tsunami wave is incident upon an urbanised location. The SPH model used in this work was first validated against previous experimental results and was then used to explore the resulting hydrodynamic behaviour to a level of detail hitherto unobtainable from physical experiments. Groups of three and five structures were modelled with varying spatial separation and orientation to the incoming tsunami bore, characterised by the wake clearance angle (A) and the rotation angle (R), respectively. The results reveal significant reductions in total force on a structure can be made via strategic spatial positioning and orientation. Such reductions may mean the difference between superficial damage and wholesale structural collapse and allow the development of more resilient structures in tsunami-prone regions.

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