Judul: Manajemen resiko usaha peternakan broiler: studi kasus di Sunan Kudus Farm, Kecamatan Ciampea, Kabupaten Bogor
Abstrak: The aims of this research were: 1) to know management of risk, 2) to analyze the level of risk and 3) to know the expected value in Sunan Kudus Farm (SKF). The Methodology of this research is case study with: 1) descriptive design by qualitative analysis to know the risk management of SKF and 2) exploration design by: a) analysis of risk and b) analysis of risk decision using decision tree. Management of production risk not well – managed and marketing risk well – managed. The result of analysis of risk showed that SKF would get the risk amount of Rp 47.629.868,52 (standard deviation) or 1,3 (coeficient variation) higher than the mean of earning (Rp 36.747.387,92) and SKF would get the lowest earning amount Rp -58.512.349,12. The result of risk decision analysis showed that the expected value in Lebaran period (high demand) are Rp 128.969.580,- if SKF increased the population of broiler and Rp 107.474.650,- if SKF did not do that; the expected value in new period of school (low demand) are Rp 14.368.120,- if SKF decreased the population and Rp 17.960.150,- if SKF did not do that. The conclussion of this research suggest SKF should increase the population of broiler in Lebaran period and do not decrease them in new period of school for the next production period.
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Judul: Analisis kelayakan finansial pengembangan usaha peternakan ayam broiler sunan kudus farm kabupaten Bogor Jawa Barat (studi kasus di lokasi Jasinga farm kecamatan Jasinga, Bogor)
Abstrak: The aim of this research were: (1) to describe broiler farm management, (2) to identify components of production cost, (3) to identify components of revenue, (4) to analyze feasibility and sensitivity condition based on financial analysis of Sunan Kudus Farm (SKF) in Jasinga farm. This study held on December 2006 until Januari 2007 at Sunan Kudus Farm in Jasinga Farm Bogor Regency, Jawa Barat. The analysis include Net Present Value (NPV), Internal Rate of Return (IRR), and sensitivity analysis.
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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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