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"A design of novel optical power divider with tapered coupled wave-guide structure is proposed. The structure of optical power divider is directional coupler, which consists of parallel tapered wave-guide. The device was designed and its feature was simulated by the beam propagation method (BPM). Unique power coupling characteristics are demonstrated. A special case of a 1 x 3 Optical Power Divider has been designed. Simulation of the output power distribution at a wavelength of 1.31 μm shows the discretionary splitting ratio 0.32: 0.33: 0.35 for interaction length longer than 3 mm."

"This collection provides researchers and scientists with advanced analyses and materials design techniques in biomaterials and presents mechanical studies of biological structures. And features 16 known experts who present research on stress and strain analysis, material properties, and fluid and gas mechanics. "

"Aliran granular adalah campuran tanah, batuan, dan air yang bergerak cepat dan sering terjadi di daerah dataran tinggi dimana ia dapat menimbulkan bahaya yang signifikan karena sifatnya destruktif. Seringkali, aliran ini tidak dapat dihentikan sepenuhnya, sehingga harus dipertimbangkan untuk meminimalkan dampak aliran dengan menggunakan struktur penghilang energi. Penelitian ini mengeksplorasi keampuhan berbagai struktur pengendali debris, termasuk bendungan, penyekat, dan saringan drainase bawah, menggunakan simulasi numerik GeoXPM. Temuan menunjukkan bahwa struktur kontrol yang ditempatkan di lokasi yang strategis dapat meningkatkan kontrol aliran debris secara signifikan, dengan konfigurasi struktural yang optimal. Efektivitas penanggulangan struktur diukur berdasarkan parameter berikut: jarak limpasan dan massa kegagalan. Studi ini menggarisbawahi pentingnya struktur kontrol yang disesuaikan dengan kondisi geologi yang beragam untuk meningkatkan manajemen aliran debris.

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Granular flow is a rapid-moving mixture of soil, rock, and water often occurring in high-altitude regions which pose significant hazards due to its destructive nature. Often times, the flow cannot be stopped completely, hence one may feasibly consider minimizing the impact of the flow using control structures. This research explores the efficacy of different structural countermasures, including check dams, baffles, and bottom drainage screens, using GeoXPM numerical simulations. The findings reveal that strategically placed control structures significantly improve debris flow control, with optimal structural configurations. The effectiveness of the structural countermeasures is gauged based on following parameters: runout distance and failure mass. This study underscore the importance of tailored control structures across diverse geological conditions to improve debris flow management."

"A very accessible and concise guide to Islamic finance Contracts and Deals in Islamic Finance provides a clear breakdown of Islamic financial contracts and deal structures for beginners. The embedded requirements within selected Islamic financial contracts, such as risk weightage, capital structures, creations of cash flows, and balance sheets, are explained fully to provide a solid understanding of the backbone of the industry. Aimed primarily at beginners and those with a background in conventional banking, this book guides readers through the major contracts, how they're applied, and how to."