Analysis of Directional Stability and Neutral Rudder Angle using CFD and MMG Model

Byung-Jin Byun, Kyung-Kyu Yang

The growing interest in eco-friendly ships driven by zero-carbon emission regulations has led to increased attention toward wind-assisted propulsion systems. Am...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.210

A Physics-informed Neural Estimator (PINE) for Ship Hydrodynamic Forces using EKF-processed Voyage Data

Hoang Thien Vu, Jeonghong Park, Hyeon Kyu Yoon

Accurate estimation of hydrodynamic forces is essential for ship motion modeling and performance monitoring, but these forces cannot be directly measured during...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.220

Evaluation of Cavitation and Noise Performance of Composite Propellers for Underwater Vehicles using a Large Cavitation Tunnel

Jahoon Moon, Seungjin Jeong, Jae-Hyuk Lee, Changhwan Jang, Youngjin Kim, Jun-Hyeok Lee, Myoungjin Kim, Jaekwon Jung

Unlike conventional metallic propellers, composite propellers for underwater vehicles exhibit hydroelastic deformation under operating loads and therefore requi...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.230

A Study on LLM-based Method for deriving Critical Safety Items to Enhance Submarine Operational Safety

Ho-Seong Chang, Yeon-Dong Park, Jae-Hyuk Kum, Gyeong-Pil Do, Ki-Hun Kim

Submarines pose a high risk of catastrophic incidents that may result in significant loss of life and severe degradation of strategic capabilities. In this cont...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.240

OEM-Based System Identification and MILS-HILS-Experiment Integrated Verification of an Unmanned Surface Vehicle with Multiple Azimuth Thrusters

Jiwoong Ha, Hyuntae Bang, Seungjae Hong, Youngjun Yun, Eungtai Kim, Jaewoo Kim, Kyungwon Bae, Sungjoon Kim, Jaehun Jeong, Bilal Ozcan, Seongyeop Choi, Seungwon Cha, Wonkeun Youn

This paper presents an experiment-driven system identification and an integrated MILS–HILS–experiment verification procedure for a small unmanned surface vehicl...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.253

An Action-masking and Self-labeling-based Learning Method for Block Sequencing and Bay Assignment Optimization in Shipbuilding Panel Lines

Hyunjin Oh, Youngin Cho, Yeongchan Han, Jaeho Choi, Junhyeon Kim, Jonghun Woo

The block sequencing and bay assignment problem in a shipbuilding panel line is a complex combinatorial scheduling problem in which upstream serial processes an...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.265

A Case Study on Integrated Winterization Design of Accommodation Areas for Arctic-Route LNG Carriers

Young-Taek Sohn

This paper presents a systematic documentation of Winterization design practice applied to the accommodation area of an Arctic-route LNG carrier, based on direc...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.275

Development of Interference Eliminating Circuit Embedded Multi-component Sensor

Hyochul Kim, Changhwan Shin, Sejin Seong, Jaemoon Lew, Jihwan Shin, Younjae Ham, Keucksang Yoo

Multi-component force sensors often encounter to undesirable interference between force and moment components due to design limitation and manufacturing capabil...

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DOI: https://doi.org/10.3744/SNAK.2026.63.4.283