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Abstrak :
The relative significance of the parallel middle body and stern form in the wake formation of single-screw large ships and their contribution to the ship?s viscous resistance are studied by using computational fluid dynamics (CFD). A 10450-DWT tanker is considered by varying the ratio of the parallel-middle-body?s length to the ship?s length (Lmb/L) and by varying the shape of the stern form from a V-like to a U-like underwater stern transom section. In all the calculations, the principal dimension and the displacement of the ships are kept constant. A larger value for the parallel-middle-body relative length (Lmb/L) of ships with the same stern form results in a larger drag coefficient but does not affect the nominal wake fraction significantly. A change in the shape of the underwater stern form, from a V-like to a U-like section, results in a much larger drag coefficient ascribed to the much larger wake fraction. The stern form dominantly affects the nominal wake fraction and the ship?s viscous resistance compared to the parallel-middle-body relative length.

Abstrak :
Stunting merupakan salah satu masalah kesehatan masyarakat global yang sampai saat ini masih perlu memperoleh perhatian penting terutama di negara-negara berkembang. Indonesia perlu menurunkan prevalensi stunting menjadi 14% pada tahun 2024. Sebanyak 108 kabupaten/kota di Provinsi Banten, Jawa Barat, jawa Tengah dan Jawa Timur termasuk lokasi fokus intervensi percepatan penurunan stunting terintegrasi tahun 2023 dengan skema percepatan khusus. Penelitian ini bertujuan untuk mengetahui visualisasi dashboard data wilayah berisiko stunting dikaitkan dengan pola asuh, faktor lingkungan, faktor akses pelayanan kesehatan, penyakit infeksi dan BBLR di Provinsi Banten, Jawa Barat, Jawa Tengah dan Jawa Timur tahun 2021. Penelitian ini merupakan studi ekologi dengan unit analisis di tingkat kabupaten/kota dan menggunakan data sekunder berupa data agregat hasil Studi Status Gizi Indonesia (SSGI) Tahun 2021 yang diperoleh dari BKPK Kemenkes RI. Hasilnya dashboard yang dibuat dapat menyajikan data pemetaan sebaran risiko stunting dikaitkan dengan pola asuh, faktor lingkungan, faktor pelayanan kesehatan, penyakit infeksi dan BBLR. Selain itu juga menyajikan data dan grafik variabel di tingkat kabupaten/kota yang interaktif, serta menyajikan simulasi prevalensi stunting yang dihubungkan dengan variabel yang signifikan berhubungan dengan stunting pada penelitian ini. ......Stunting is one of the global public health problems that still needs important attention, especially in developing countries. Indonesia needs to reduce the prevalence of stunting to 14% by 2024. A total of 108 districts/cities in the provinces of Banten, West Java, Central Java and East Java are included in the focus locations of the integrated stunting reduction acceleration intervention in 2023 with a special acceleration scheme. This study aims to describe the dashboard visualization of data on areas at risk of stunting associated with parenting, environmental factors, health service access factors, infectious diseases and LBW in Banten, West Java, Central Java and East Java Provinces in 2021. This research is an ecological study with a unit of analysis at the district / city level and used secondary aggregated data of the 2021 Indonesian Nutrition Status Study (SSGI) obtained from the BKPK Kemenkes RI. As a result, the dashboard created can present data mapping the distribution of stunting risk associated with parenting, environmental factors, health service factors, infectious diseases and LBW. In addition, it also presented data and graphs of variables at the interactive district / city level, and presented a simulation of the prevalence of stunting associated with variables that were significantly associated with stunting in this study.