年逾八旬的清华大学工程力学系杜庆华教授，是我国工程力学专业教育的先驱者。他曾与钱学森、郭讠永怀等共同创办工程力学研究班，任教于清华大学近50年，现为中国工程院院士。在近50年的科研和教学工作中，杜老不仅承担起许多工程学术领域的重大科研项目，取得了令人瞩目的成 Professor Du Qinghua, Department of Engineering Mechanics, Tsinghua University, who is over eighty years old, is a pioneer in engineering mechanics education in China. He worked with Qian Xuesen, Guo Yong Yong, co-founder of engineering mechanics research class, taught at Tsinghua University for nearly 50 years, is now the Chinese Academy of Engineering. In the past 50 years of research and teaching work, Du not only take on many of the major engineering fields of scientific research projects, has made remarkable achievements into