Journal of Applied Mathematics and Mechanics A 4141 ^ÜMMLHMI n Zeitschrift für Angewandte Mathematik und Mechanik Founded by Richard von Mises in 1921 Edited in cooperation with Universität Potsdam and Gesellschaft für Angewandte Mathematik und Mechanik e. V. (GAMM) Editors-in-Chief: E. Kreuzer, R. Mennicken, H. Schwetlick GAMM 2000 Annual Meeting DISTRIBUTION STATEMENT A Approved for Public Release Distribution Unlimited Short Communications in Mathematics and Mechanics Section 1-8 University of Göttingen, Germany April 2-7, 2000 Edited by Gerd E. A. Meier, DLR Göttingen rv* i>o ©WILEY-VCH Volume 81 2001 Supplement 2 ISSN 0946-8463 ZAMM Z. angew. Math. Mech., Berlin 81 (2001) Suppl. 2, S163-S434