External Distribution: Dr. Claus C. Hoff MacNeal-Schwendler Corp. 815 Colorado Boulevard Los Angeles, CA 90041-1777 Dr. Cees Florie MacNeal-Schwendler Benelux B. V. Groningenweg 6 2803 PV Gouda The Netherlands Dr. Dennis P. Flanagan Hibbitt, Karlsson & Sorenson, Inc. 1080 Main Street Pawtucket, RI 02860-4847 Mr. Roger Keene Hibbkt, Karlsson & Sorenson (UK), Ltd. Genesis Center Science Park South, Birchwood Warington, Cheshire WA37BH United Kingdom Professor Ted Belytschko Department of Mechanical Engineering Northwestern University 2145 Sheridan Road Evanston, IL 60208-3111 Prof. K.C. Park Center for Space Structures& Controls Campus Box 429 University of Colorado Boulder, CO 80309 Dr. Jeffrey Weiss Orthopedic Biomechanics Institute 5848 South 300 East Salt Lake City, UT 84107 Professor Philippe H. Geubelle (3 copies) Department of Aero and Astro Engr University of Illinois 306 Talbot Laboratory 104 South Wright Street Urbana, IL 61801-2935 Dr. David Chou CSAR Corporation 28035 Dorothy Drive Agoura Hills, CA 91301 Professor Tod A. Laursen Department of Civil and Enviro Engr Duke University Box 90287 Durham, NC 27708-0287 Mr. Ken Walker MacNeal-Schwendler Corp. 1000 Main Street, Suite 190 Grapevine, TX 76051 . Chou CSAR Corporation 28 035 Dorothy Drive Agoura Hills, CA 91301 Professor Tod A. Laursen Department of Civil and Enviro Engr Duke University Box 9 028 7 Durham, NC 27 708- 028 7 Mr. Ken Walker MacNeal-Schwendler. RI 028 60-48 47 Mr. Roger Keene Hibbkt, Karlsson & Sorenson (UK), Ltd. Genesis Center Science Park South, Birchwood Warington, Cheshire WA37BH United Kingdom Professor Ted Belytschko Department. Hoff MacNeal-Schwendler Corp. 815 Colorado Boulevard Los Angeles, CA 90041- 177 7 Dr. Cees Florie MacNeal-Schwendler Benelux B. V. Groningenweg 6 28 03 PV Gouda The Netherlands Dr. Dennis P. Flanagan Hibbitt,