Perancangan Lambung Trimaran pada Floating House sebagai Solusi Hunian dan Mobilitas di Kawasan Karimunjawa
Kata Kunci:
Rumah Apung, Lambung Trimaran, Karimunjawa, Stabilitas, Olah GerakAbstrak
Karimunjawa merupakan kawasan wisata bahari yang ditetapkan sebagai Taman Nasional dengan jumlah kunjungan mencapai 42.681 wisatawan pada tahun 2024, namun ketersediaan akomodasi masih sangat terbatas dan penerapan pariwisata berlanjut yang krusial. Penelitian ini bertujuan merancang lambung trimaran pada floating house yang memiliki mobilitas dan stabilitas sesuai karakteristik perairan Karimunjawa, menganalisis kinerja hambatan, stabilitas, dan olah gerak, serta mengestimasi biaya pembangunan displacement dengan pemodelan menggunakan perangkat lunak AutoCAD, Maxsurf, dan Rhinoceros. Data primer meliputi karakteristik gelombang, arus, dan pasang surut Karimunjawa. Tiga variasi lambung dirancang yaitu simetris, asimetris A, dan asimetris B, kemudian dianalisis dan dibandingkan secara teknis. Hasil penelitian menunjukkan lambung model simetris paling optimal dengan hambatan total 15.332 N pada kecepatan rencana 10 knot, memenuhi standar stabilitas International Maritime Organization A.749 (18) Ch3 Design Criteria Appicable to All Ship dan MSC 36(63) HSC Code Annex 7 Multihull serta memenuhi kriteria olah gerak NORDFORSK 1987 pada kondisi slight, moderate, dan rough wave. Ukuran utama adalah displacement 38,59 ton. Biaya pembangunan dan operasional yang paling teriangkau terdapat di lambung simetris dengan total biaya produksi Rp783.252.533,00 dan biaya operasional Rp40.867.140,00 untuk kapasitas hunian 4 orang. Lambung simetris terbukti menjadi solusi hunian terapung yang paling efisien dan layak diterapkan di kawasan wisata bahari Karimunjawa.
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Referensi
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