Conferences for 1970-1971 sponsored by Association for Computing Machinery and others; 1972 by American Institute of Aeronautics and Astronautics and others; 1973-1975 by American Institute of Chemical Engineers and others; 1976-1981 by the American Geophysical Union and others; 1982- by the Society for Computer Simulation; <2002-> by the Society for Modeling and Simulation International