Mechanics symbolizes the first glimpse of scientific understanding of the human being for the physical world. Mechanics forms the backbone of science and engineering. Mechanics paves the foundation for the infrastructures of numerous cities in the world. LIU Qi,Mayor of Beijing,2002 Invitation Letter for ICTAM 2008 Beijing Chapter 1 3Mechanics symbolizes the first glimpse of scientific understanding of the human being for the physical world. Mechanics forms the backbone of science and engineering. Mechanics paves the foundation for the infrastructures of numerous cities in the world. LIU Qi, Mayor of Beijing, 2002 Invitation Letter for ICTAM 2008 Beijing Chapter 1 3