Analisis Kekuatan Torsional Variasi Material Sandwich Plate System pada Cargo Hold Kapal Container DWT 7537

*Dimas Bosty Alfarizki  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275, Indonesia
Ahmad Fauzan Zakki scopus  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275, Indonesia
Hartono Yudo  -  Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275, Indonesia

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Abstract

Inovasi dalam desain struktur kapal bertujuan untuk menghasilkan konstruksi yang ringan, kuat, dan efisien. Salah satu teknologi yang digunakan adalah Sandwich Plate System (SPS), yaitu sistem pelat berlapis dengan material inti yang berfungsi meningkatkan kekuatan tanpa menambah berat secara signifikan. Penelitian ini bertujuan untuk menganalisis kekuatan torsional struktur Cargo hold kapal menggunakan variasi material inti pada SPS. Simulasi numerik dilakukan dengan metode elemen hingga (FEM) menggunakan perangkat lunak Abaqus CAE. Material inti yang diteliti berupa elastomer dan synthetic resin, serta dibandingkan dengan struktur konvensional. Hasil analisis menunjukkan bahwa SPS dengan inti elastomer menghasilkan tegangan von Mises sebesar 3,87  MPa dan defleksi 29,64 mm. Sementara itu, SPS dengan inti synthetic resin menghasilkan tegangan 3,86 MPa dan defleksi 29,64 mm. Seluruh konfigurasi tersebut memenuhi standar kekuatan struktur berdasarkan kriteria dari Biro Klasifikasi Indonesia (BKI). Dengan demikian, penggunaan SPS dengan material inti elastomer maupun synthetic resin dinilai layak sebagai alternatif pengganti pelat baja konvensional dalam struktur kapal modern.

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Keywords: FEM; Sandwich Plate System; Strength Analysis; Composite Structure
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