Dr Yijun Liu has more than 25 years of research experience on the boundary element method for subjects including potential; elasticity; and Stokes flow; and electromagnetic, elastic, and acoustic wave problems and has published extensively in research journals. He received his Ph.D. in theoretical and applied mechanics from the University of Illinois and after a post-doctoral research appointment at Iowa State University he joined the Ford Motor Company as a CAE analyst. He has been a faculty member in the Department of Mechanical Engineering at the University of Cincinnati since 1996. Dr Liu