Judul: Penyelenggaraan Makanan, Daya Terima, dan Konsumsi Pangan Lansia di Panti Sosial Tresna Werdha Salam Sejahtera Bogor
Abstrak: The objective of this research is study the food service, the acceptance of food and food consumption of the elderly in Panti Sosial Tresna Werdha Salam Sejahtera Bogor. The research used a cross sectional study design that was held in November to Desember 2011. The number of sample in this research was taken from 32 elderly. The results showed that the system of the food service in Panti Sosial Tresna Werdha Salam Sejahtera Bogor were good enough. The cycles of the meal is seven days with four times meal, each contains three times main course and one time snack food. Most of them like the meal. Based on the correlation test by Spearman, there were a significant (p<0,05) relationship between male samples and food acceptance, but there were no significant (p>0,05) relationship between food acceptance and nutrients adequacy level.
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Judul: Konsumsi Pangan, Aktivitas Fisik, Status Gizi dan Status Kesehatan Lansia di Panti Sosial Tresna Werdha Salam Sejahtera Bogor
Abstrak: The objective of this study was to learn and to analyze food consumption, physical activity, nutritional status and health status of the elderly in Panti Sosial Tresna Werdha Salam Sejahtera Bogor. The design of this study used cross sectional study. The number of samples obtained as many as 32 elderly. The results showed that the sufficiency level of energy was normal category, protein was in high category, vitamin A and C were in sufficient category and then Ca and Fe classified as defficient category. The nutritional status of most male sampels was obese-I while female was normal. Most of the sampels physical activities classified as mild. Most diseases for the past 6-12 months on male samples were diabetes melitus and hypertension on female samples. Most of either male or female samples had a lower morbidity score with high health status. The result of Pearson correlation test showed that the energy and nutrients intake had no significant relationship with nutritional status and health status (p >0.05) either nor between physical activity with nutritional status and health status, and nutritional status with health status (p >0.05).
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Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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