Design of Flexible Composite Propellers considering Fluid-structure Interaction

Ji-Hye Kim, Byoung-Kwon Ahn, Gun-Do Kim

Due to its flexibility of the composite propeller blade, it is necessary to design a shape capable of generating a desired load at a design point in considerati...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.061

A Review on Practical Use of Simple Analysis Method based on SDOF Model for the Stiffened Plate Structures subjected to Blast Loads

Ul-Nyeon Kim, Simsik Ha

The offshore installation units may be subjected to various accidental loads such as collision from supply vessels, impact from dropped objects, blast load from...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.070

Probabilistic Strength Assessment of Ice Specimen considering Spatial Variation of Material Properties

Hojoon Kim, Yooil Kim

As the Arctic sea ice decreases due to various reasons such as global warming, the demand for ships and offshore structures operating in the Arctic region is st...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.080

Ice Floe-induced Ship Resistances using Explicit Finite Element Analyses with a User-subroutine

Donghwa Han, Kwang-Jun Paik, Seong-Yeop Jeong, Joonmo Choung

There have been many attempts to predict resistance of vessels in ice floe environment, but they mostly have both strong and weak points at the same time; for i...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.088

Numerical Simulation of Flow around Variable Pitch Helically Elliptic Twisted Cylinder based on the Biomimetic Flow Control

Jahoon Moon, Hyun Sik Yoon

The new geometric disturbance is proposed to control the flow around the bluff body. The new geometry is characterized by the variable pitch which is applied on...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.096

Laminate Weight Optimization of Composite Ship Structures based on Experimental Data

Daekyun Oh, Zhiqiang Han, Jackyou Noh, Sookhyun Jeong

The study aims to improve the previous theory-based algorithm on the lightweight design of laminate structures of a composite ship based on the mechanical prope...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.104

Formulation of the Panel Method with Linearly Distributed Dipole Strength on Triangular Panels

Jin-An Oh, Jin-Tae Lee

A high-order potential-based panel method based on Green's theorem, with piecewise-linear dipole strength on triangular panels, is formulated for the analysis o...

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DOI: https://doi.org/10.3744/SNAK.2020.57.2.114