Simulation of a Pulsating Air Pocket in a Sloshing Tank Using Unified Conservation Laws and HCIB Method

Sangmook Shin

The code developed using a pressure-based method for unified conservation laws of incompressible/compressible fluids is expanded to handle moving or deforming b...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.271

A Study on the Prediction of Major Prices in the Shipbuilding Industry Using Time Series Analysis Model

Juh-Hyeok Ham

Oil and steel prices, which are major pricescosts in the shipbuilding industry, were predicted. Firstly, the error of the moving average line (N=3–5) was examin...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.281

A Case Study on the Sustainability for a Stanchion of Recreational Crafts based on the Design for Additive Manufacturing Using a FFF-type 3D Printer

Dong-Kun Lee, Bon-Yeong Park

In this study, the 3D printing technique called design for additive manufacturing (DfAM) that is widely used in various industries was applied to marine leisure...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.294

Object Detection and Post-processing of LNGC CCS Scaffolding System using 3D Point Cloud Based on Deep Learning

Dong-Kun Lee, Seung-Hwan Ji, Bon-Yeong Park

Recently, quality control of the Liquefied Natural Gas Carrier (LNGC) cargo hold and block-erection interference areas using 3D scanners have been performed, fo...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.303

A Study on the Effect of Topside and Interface on Hull in Whole Ship Analysis of Ship Type Offshore Structure

Joon-Gyu Seo, Ho-Yun Kang, Jung-Ki Park

In the existing whole ship analysis, topside was modeled as mass element. However recently, the topside is modeled as beam element due to the owner’s requiremen...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.314

Simplified Formula for Predicting the Ballistic Limit Velocity of High Strength Shipbuilding Steel Plates Based on Experimental Data

Seok-Jun Moon, Won Kim, Jinseop Song, Jong-Min Choi

Naval ships are designed to have a variety of active and passive systems to defend against enemy threats. One of the passive defense systems is to protect crew ...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.322

Enhanced Influence Coefficient Matrix for Estimation of Local Ice Load on the IBRV ARAON

Sungrok Cho, Kyungsik Choi, Beomsik Son, Seong-Yeob Jeong, Jung-Seok Ha

This paper focuses on the improvement of the influence coefficient matrix method for estimation of local ice load on the icebreaking research vessel ARAON. The ...

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DOI: https://doi.org/10.3744/SNAK.2021.58.5.330