Rolf Jensen & Associates, Inc. (RJA) has announced that it has received a Phase I Small Business Innovation Research grant from the National Science Foundation. The grant was awarded to RJA to develop, in partnership with the engineering software developer Thunderhead Engineering, an integrated fire modeling software package to facilitate building design and accident analysis. RJA will work with Thunderhead to develop a graphical interface with the computer program Fire Dynamics Simulator, developed by the National Institute of Standards and Technology.