In the programme of the symposium was written: "The International Union of Theoretical and Applied Me- chanics has taken the initiative to organize the sympo- sium. As the name of IUTAM implies, the organization brings forward achievements within the field of theore- tical mechanics for application in science and engineer- ing. According to the rules of IUTAM that only invited persons can attend, all lecturers and participants have been ap- pOinted by the members of the scientific committee. To facilitate contact among the attending persons, it has been decided to restrict the total number to...