MAAP5 Modular Accident Analysis Program code

The MAAP5 Modular Accident Analysis Program code provides a wide range of integral plant evaluations in support of probabilistic risk assessment (PRA), design basis evaluations, and plant evaluations. This edition builds on MAAP4 code by expanding the severe-accident knowledge base, as well as modeling enhancements that extend the representation of plant-specific features. Upgrades include a new pressurized water reactor (PWR) revision control system (RCS) model, a generalized containment model, MAAP5-GRAAPH representation for PWRs and boiling water reactors (BWRs), MAAP5-DOSE, a 1-D Neutronics model, shutdown configuration models, additional benchmarks, an enhanced accumulator-drainage model, and many other BWR models.