The 6.2 release brought over 39 new features and 172 bug fixes compared to previous iterations, making it a more stable platform for complex Monte Carlo calculations. MCNP 6.2 vs. Previous Versions Older Versions (e.g., MCNP5) Geometry CSG and Unstructured Mesh Primarily CSG Delayed Particles Enhanced algorithms Basic treatment Stability 172+ fixes Older code base Top Tips for a Successful MCNP 6.2 Implementation
It combines the neutron, photon, and electron transport of MCNP5 with the high-energy particle capabilities of MCNPX. mcnp 62 download top
Integrates directly with CAD software to import complex 3D engineering designs without simplification errors. Integrates directly with CAD software to import complex
Access to updated MCNPDATA, including Neutron, Photoatomic, Photonuclear, Electron, and Proton libraries. and input structures for version 6.2.
: The official LA-UR-17-29981 report details the math, geometry, and input structures for version 6.2.