SAFSIM theory manual: A computer program for the engineering simulation of flow systems
SAFSIM (System Analysis Flow SIMulator) is a FORTRAN computer program for simulating the integrated performance of complex flow systems. SAFSIM provides sufficient versatility to allow the engineering simulation of almost any system, from a backyard sprinkler system to a clustered nuclear reactor propulsion system. In addition to versatility, speed and robustness are primary SAFSIM development goals. SAFSIM contains three basic physics modules: (1) a fluid mechanics module with flow network capability; (2) a structure heat transfer module with multiple convection and radiation exchange surface capability; and (3) a point reactor dynamics module with reactivity feedback and decay heat capability. Any or all of the physics modules can be implemented, as the problem dictates. SAFSIM can be used for compressible and incompressible, single-phase, multicomponent flow systems. Both the fluid mechanics and structure heat transfer modules employ a one-dimensional finite element modeling approach. This document contains a description of the theory incorporated in SAFSIM, including the governing equations, the numerical methods, and the overall system solution strategies.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- Department of Defense, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 10115531
- Report Number(s):
- SAND--92-0693; ON: DE94005381; BR: GB0103012
- Country of Publication:
- United States
- Language:
- English
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COMPUTER PROGRAM DOCUMENTATION
COMPUTERIZED SIMULATION
EQUATIONS OF STATE
FINITE ELEMENT METHOD
FLUID MECHANICS
HEAT TRANSFER
HEAT TRANSFER AND FLUID FLOW
MATHEMATICS AND COMPUTERS
REACTOR KINETICS
S CODES
SYSTEMS ANALYSIS
THEORY AND CALCULATION