Experiments on the Denting Damage and Residual Strength of Stiffened Plates

Sang-Hyun Park, Hyun Kyoung Shin, Eungsoon Kang, Sang-Rai Cho, Yong-Su Jang, Nam-Ki Baek, Dong-Ki Park

This study reports a series of drop impact tests performed to generate denting damages on stiffened plates and their residual ultimate strength tests under axia...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.182

Pipe Routing using Reinforcement Learning on Initial Design Stage

Dong-seon Shin, Byeong-cheol Park, Chae-og Lim, Sang-jin Oh, Gi-yong Kim, Sung-chul Shin

Pipe routing is a important part of the whole design process in the shipbuilding industry. It has a lot of constraints and many tasks that should be considered ...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.191

Dynamic Stability Assessment of Pressure Hull in Deep Sea against Implosion Pressure Pulse

In Sik Nho, Sang Rai Cho, Yoon Sik Cho

In this study, the dynamic structural behavior of pressure vessels due to pressure pulse initiated by implosion of neighbouring airbacked equipments including U...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.198

Development of a Simplified Formula for the Damage Radius of a Naval Ship due to an AIR EXplosion (AIREX)

Wan-Soo Choi, Won-Sun Ruy, Hyun Yup Lee, Yun-Ho Shin, Jung-Hoon Chung, Euiyoung Kim

To decide a separation distance of the redundant vital equipment in a naval ship, the damage radius due to an aerial explosion should be estimated. In this rese...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.207

Tests on the Serial Implosion of Multiple Cylinders Subjected to External Hydrostatic Pressure

Muttaqie Teguh, Sang-Hyun Park, Jung Min Sohn, Sang-Rai Cho, In Sik Nho, Phill-Seung Lee, Yoon Sik Cho

In the present paper, implosion responses of two adjacent cylindrical tubes under external hydrostatic pressure were experimentally investigated. The cylinder m...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.213

A Study on the Path Search for the Rapid Suppression of Naval Ships Casualties

Ju-hun Park, Won-Sun Ruy, Jung-Hoon Chung, Sook-Kyoung Kim

Naval ships could be seriously damaged by enemy attacks in battle. Moreover, this damage could be spread and deteriorated into a secondary accident. Secondary a...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.221

An Experimental Study on the Manoeuvrability of a Ship in Different GM and Trim Conditions

Kunhang Yun, Dong Jin Kim, Dong Jin Yeo

The aim of this study was to investigate the manoeuvrability of a ship in different Center of Gravity (CG) conditions. Free Running Model Tests (FRMT), such as ...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.230

Basic Design of High-Speed Riverine Craft Made of Carbon Fiber Reinforced Polymer

Zhiqiang Han, Jung-kyu Choi, Inhyuck Hwang, Jinyoung Kim, Daekyun Oh

The Small-Unit Riverine Craft (SURC) is a small high-speed vessel used by navies and marine corps in relatively shallow waterway environments, such as riverine ...

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DOI: https://doi.org/10.3744/SNAK.2020.57.4.241