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All Journal Educate IJoLE: International Journal of Language Education Jurnal Sastra dan Budaya Dinamika Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan JASL - Journal of Applied Studies in Language Joong-Ki Proceeding International Conference on Education
Desi Tri Cahyaningati
Dosen Politeknik Perkapalan Negeri Surabaya
Religion Aerospace Engineering Arts Humanities Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Social Sciences Transportation Other

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Comparison of Resistance Values for Various Patrol Vessel Step Hull Geometry Variations Using Computational Fluid Dynamics (CFD) Hardiyanti, Fitri; Prasetyo Utomo, Agung; Rahagi, Athallah Bintang; Wibawa, I Putu Arta; Cahyaningati, Desi Tri; Wahidin, Aang; Miftachuddin
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 7, Number 1, March 2026 Edition
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

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Abstract

-Abstract This study investigates the effect of stepped hull geometry variations on the hydrodynamic resistance of a patrol vessel operating in Morowali waters. Computational Fluid Dynamics (CFD) simulations were conducted to evaluate the resistance performance of an existing hull and eight stepped hull configurations at an operating speed of 30 knots. The parameters investigated include step spacing, spray strip angle, and spray strip configuration. The results demonstrate that the application of stepped hull geometry generally reduces total resistance compared to the baseline hull. The optimal configuration, Model S3 with a 1.0 m step spacing and a 60° spray angle, achieved the lowest resistance of 28,384.1 N, corresponding to a reduction of 7.34%. From an engineering perspective, this reduction is significant, as lower resistance directly contributes to improved fuel efficiency, extended operational range, and enhanced endurance of patrol vessels during maritime surveillance operations.
Co-Authors Aang Wahidin Aprillianita, Riski Budiana, Kartika Marta C. I. Sutrisno Dian Asa Utari Fitri Hardiyanti, Fitri LIES AMIN LESTARI Miftachuddin Miftachudin Miftachudin, Miftachudin Perwi, Darmajanti Prasetyo Utomo, Agung Puspandari, Lusia Eni Rahagi, Athallah Bintang Wibawa, I Putu Arta