Stellingwerf Consulting has been supporting NASA since 2000 with SPHC code simulations and analysis in SLS, Constellation /Ares I design, Return to Flight activities, the Columbia Accident Investigation, and the Space Launch Initiative. Other application areas include weather effects modeling, operations simulation and forecasting, and market modeling and analysis.
Software packages developed, maintained and supported include the Smooth Particle Hydrocode SPHC, time series analysis tool PDM, and the "clean and easy" programming language S_Tran. In addition, the "One-Zone" stellar pulsation model and the 3D plotter Thor are included. All are downloadable from this site.