Abstract
The focus of the present study is to find the damaged location of the structure of the pinisi ship in the traditional ship launching system. This study uses a numerical experimental method, the analysis stage begins with designing a pinisi ship in the form of a solid three-dimensional scale in actual size, then calculated by finite element method (FEM) using explicit dynamic analysis in ANSYS software. In the launching process, the ship is given a compressive force by pulleys with an analysis time set according to the number of elements and hardware used in the analysis. Based on 3D Pinisi ship data and analysis constraints, it has been found that shear stress on the longitudinal axis and transverse axis of the ship occurs during the ship launching process. Some parts of the Pinisi ship structure experience tensile shear stress and compressive shear due to the pulley force in the launching process. The ship structure is formed from interconnected and reinforced constructions between one another from the bow to the stern of the ship. Due to the interconnected construction, longitudinal structural disturbances will impact and contribute to the lateral direction of the ship structure.
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Acknowledgements
The first author would like to thank The Indonesia Endowment Funds for Education (LPDP) at The Ministry of Finance Republic Indonesia for providing financial support for Doctoral Program (S3), research funding, and as a sponsor for this publication. The authors would like to thank The Maritime Research Centre of Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Kalimantan, for their ANSYS package software which allowing us to run the simulations.
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Noegraha, A.D., Djamaluddin, R., Irmawaty, R., Sitepu, G. (2024). Damage Detection on Structure of Pinisi in Ship Launching Process. In: Nehdi, M., Hung, M.K., Venkataramana, K., Antony, J., Kavitha, P.E., Beena B R (eds) Proceedings of SECON’23. SECON 2023. Lecture Notes in Civil Engineering, vol 381. Springer, Cham. https://doi.org/10.1007/978-3-031-39663-2_12
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