2.2. Cross Sections

These tutorials introduce the multigroup cross-section data used by OpenSn transport problems. They progress from constructing a simple one-group cross section to reading OpenSn ASCII and OpenMC HDF5 cross-section libraries.

• 2.2.1. Introduction to Cross Sections
• 2.2.2. Built-in method for 1-group cross sections
• 2.2.3. Reading OpenSn ASCII cross sections
• 2.2.4. Read HDF5 file from OpenMC to load multi-group cross sections