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FEMSYN - A Code System to Solve Multigroup Diffusion Theory Equations Using a Variety of Solution Techniques. Part 1: Description of Code System - Input and Sample Problems

机译:FEmsYN - 一种利用多种求解技术求解多组扩散理论方程的代码系统。第1部分:代码系统描述 - 输入和示例问题

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A modular computer code system called FEMSYN has been developed to solve the multigroup diffusion theory equations. The various methods that are incorporated in FEMSYN are (i) finite difference method (FDM) (ii) finite element method (FEM) and (iii) single channel flux synthesis method (SCFS). These methods are described in detail in parts II, III and IV of the present report. In this report, a comparison of the accuracy and the speed of different methods of solution for some benchmark problems are reported. The input preparation and listing of sample input and output are included in the Appendices. The code FEMSYN has been used to solve a wide variety of reactor core problems. It can be used for both LWR and PHWR applications. (Atomindex citation 17:036517)

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