Opening address

摘要

Professor Meier,Professor Viswanath,and Ladies and Gentlemen! It is my great pleasure to give an official IUTAM address in the Opening Session of this Symposium on behalf of hte President of IUTAM,Professor Werner Schiehlen.The purpose of the IUTAM address s principally to present the long history of IUTAM and its recent activities and goals to the Symposium participants,but here I would like to note the significance of the fact that the present Symposium is held in Goettigen or the fatherland of "modern fluid mechanics".