DOI: https://doi.org/10.14710/kapal.v16i3.26397

Simulasi CFD pada Kapal Planing Hull

*Samuel Samuel scopus  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro, Indonesia
Andi Trimulyono  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro
Ari Wibawa Budi Santosa  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro, Indonesia
Open Access Copyright (c) 2019 KAPAL : Jurnal Ilmu Pengetahuan dan Teknologi Kelautan

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Abstract

Akurasi dalam memprediksi hambatan kapal adalah salah satu aspek penting dalam mendesain lambung kapal. Secara umum, hambatan kapal dengan type planing lebih rumit daripada type displacement. Planing hull memiliki karakteristik unik seperti trim, heave, hard-chine, Froude number tinggi dan dead-rise angle. Gaya hidrodinamik pada planing hull lebih dominan daripada gaya hidrostatik. Analisis numerik menggunakan Finite Volume Method (FVM) dipilih untuk menyelesaikan masalah hidrodinamik. Dalam penelitian ini, persamaan (RANS Reynolds-Averaged Navier-Stokes) digunakan untuk menggambarkan model turbulensi dengan k-ε. Secara umum, pemodelan Volume of Fluid (VOF) menggunakan aliran multiphase Euler yang diasumsikan air dan udara sebagai phase. Tujuan dari penelitian ini adalah untuk memperkenalkan perhitungan kapal type planing hull untuk memprediksi hambatan kapal dan seakeeping. Studi validasi ini dilakukan dengan menggunakan eksperimen Fridsma hullform. Hasil pada penelitian ini menunjukkan bahwa simulasi numerik pada jenis planing hull dapat diprediksi dengan akurasi yang cukup baik.

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Keywords: Planing hull, CFD, Finite Volume Method, Volume of Fluid, RANS

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Section: Research Articles
Language : EN
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