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Welcome to the PINSPEC wiki! PINSPEC is a simple code designed to demonstrate the behavior of neutrons in several cases; an infinite homogeneous medium, a simple pin cell structure, and fully heterogeneous geometry. Providing reaction rates, group cross sections, resonance integrals flux plots, and cross section plots, PINSPEC is an academic tool used for demonstrating applications of several reactor physics techniques. The tool uses a combination of techniques:
- Monte Carlo collision
- Doppler Broadening of resonant isotope cross sections using a single-level Breit-Wigner approximation
- Fuel-to-fuel collision probabilities
- Ray tracing
PINSPEC is written in C++ and python, with linking using SWIG. The code is under development by several graduate students at MIT's Nuclear Science & Engineering Department. Suggestions, issues, concerns, or problems are all welcomed and appreciated by the developers.