1. Overview

PMR is a Multiple Program Multiple Data (MPMD) participating media radiation solver for calculating radiative transport in conjunction with a separate fluid solver (commonly Sierra/Fuego). Its primary use is for fire simulations, where resolving radiative fluxes is of high importance.

Fig. 1.1 Example Fuego/PMR fire simulation with temperature (left) and scalar flux (right)

Documents containing results obtained through use of this software should cite

@TECHREPORT{
  SAND2025-11625O, 
  author = "Sierra Thermal Fluids Team", 
  title = "SIERRA Multimechanics Module: PMR User Manual - Version 5.26", 
  institution = "Sandia National Laboratories", 
  year = "2025", 
  type = "{SAND Report}", 
  number = "2025-11625O", 
  address = "Albuquerque, NM and Livermore, CA"
}