Evaluate The Cylindrical Rubber Fender Response Under Dynamic Load

Qasim, Abdulameer; Anis, A; Mohamad, J D

doi:10.15224/978-1-63248-127-6-32

Cited by 2 publications

(2 citation statements)

References 3 publications

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“…Last but not least, a study by Qasim and colleagues [19] investigated the impact of a heavy vessel on a cylindrical rubber fender having an inner radius of 0.25m and an outer radius of 0.5m during berthing or mooring; their findings demonstrated significant impact energy absorption.…”

Section: Relevant Literature Reviewmentioning

confidence: 99%

Performance Analysis of Multi-Layer Fender Design under Impacted Vessel

Okello

2023

Preprint

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The design of water Vessel fender system can minimize impact energy, which could result in severe vessel or offshore structure damage during collision. In order to protect Offshore structures and vessels from damage after impact, a Fender design approach is proposed which uses Soft materials like rubber, sand, inflated rubber tube, etc. to reduce damage on impacted vessels as well as offshore structures like wind turbines, bridges, oil drilling platforms in water etc. The fender is designed in such a way that it can handle vessels made of different material, sizes, and weights.The proposed solution is a fender consisting of a number of layers of soft sandwich materials, each layer getting softer as it moves away from the structure i.e. Hard-Soft fender design which can absorb impact energy upon collision. To handle lighter vessels made of soft or brittle materials, the outer layer is made of inflatable or Very soft foam rubber; however, the inner layer covering the offshore structure is made of hard material to handle heavy vessels made of hard material such as steel. Furthermore, the use of sand as a natural fender along waterways such as narrow channels is also proposed to reduce the cost of fender installation and catastrophic vessel impact damage on rocky ground since it produces less deformation just like rubber fender as demonstrated in the simulation. Finite Element Analysis using ANSYS software, Explicit Dynamic Autodyn, was performed. The results showed a considerable decrease in the total deformation and internal energy of the vessel and fended structure when collision occurs. Furthermore, the result showed that Hard-Soft fender layer performs much better than Soft-Hard-Soft followed by Soft-Hard Fender layer design.

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Section: Relevant Literature Reviewmentioning

confidence: 99%

Performance Analysis of Multi-Layer Fender Design under Impacted Vessel

Okello

2023

Preprint

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“…Their investigation included finite element simulations and carried out experiments, they also evaluated the plastic response till failure in a quasi-static and dynamic manner [12]. Ali et al (2017) evaluated the cylindrical rubber fender behavior due to applied impact force from a mooring ship with a capacity which is equal 330000 DWT [13]. Liu et al (2018) implemented numerical studies and experimental series to investigate the behavior of tubular components and T-joint under the action of transverse impact forcing.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Behavior of Offshore Platform to Ship Impact

Qasim

Hasan

2020

Civ Eng J

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Offshore platform structure has the ability to resist wave loading, wind loading, operation loading, and ship collision, therefore, it is important to investigate the structural behavior of platform taking into consideration soil-structure-pile interaction when the platform is subjected to ship impact at a different location on deck slab. The present study deals with platform supported by pile foundation. The effect of soil-pile interaction on behavior of platform to lateral impact load is investigated by using finite element simulation which is performed by ABAQUS software. From the results obtained, it is obvious that the ship collision position on platform will be reflected on ultimate capacity of structure so the structure will undergo to loose ultimate capacity due to damage that occurs from the ship collision. This study comprises investigation of pile lateral displacement, pile twist angle, pile shear force distribution, pile bending moment distribution and deck slab displacement. It also clarifies that the pile displacement has been reflected on pile critical length. The twist angle of the pile is more sensitive to soil type and loading condition. It is seems that the shear force distribution and bending moment distribution are affected by loading condition and soil type. Finally this study shows that the response of deck slab depends on soil type, soil-pile interaction and loading condition.

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Evaluate The Cylindrical Rubber Fender Response Under Dynamic Load

Cited by 2 publications

References 3 publications

Performance Analysis of Multi-Layer Fender Design under Impacted Vessel

Performance Analysis of Multi-Layer Fender Design under Impacted Vessel

Investigating the Behavior of Offshore Platform to Ship Impact

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