# Radiation Transport Field **Entity class:** Physical prediction object ## Definition A **radiation transport field** represents radiation intensity or flux as it varies across space, time, direction, energy, geometry, and material conditions. It is produced by solving or approximating a transport model. A field can be queried at regional, point, route, asset, or receptor scales, but consequence requires a receptor and response model. ## Relationships - **governed by:** [[wiki/Neutron Transport Equation|Neutron Transport Equation]] for neutron transport. - **accelerated by:** [[wiki/Reduced-Order Modeling|Reduced-Order Modeling]] and [[wiki/Multifidelity Modeling|Multifidelity Modeling]]. - **sampled by:** [[wiki/Receptor Layer|Receptor Layer]]. - **inferred from measurements through:** [[wiki/Inverse Problem|Inverse Problem]]. ## Sources / Provenance - [Oden Institute — Minimizing Uncertainty, December 5, 2017](https://oden.utexas.edu/news-and-events/news/minimizing-uncertainty-in-uncertain-world-of-defense-energy/) - [Sheriffdeen et al., 2019](https://arxiv.org/abs/1912.08864)