Dr. Yumin Cheng is Professor of Shanghai Institute of Applied Mathematics and Mechanics of Shanghai University. He received his Bachelor degree of mathematics from Shanxi University of China, and PhD degree of computational mechanics from Xi’an Jiaotong University of China. His research interests include meshless method, boundary element method, and scientific and engineering computing. He has published more than 170 journal papers. And he has presented many numerical methods, such as similar boundary element method, improved element-free Galerkin method, boundary element-free method, meshless manifold method, complex variable moving least-squares approximation, complex variable element-free Galerkin method, complex variable reproducing kernel particle method, improved interpolating element-free Galerkin method, dimension split element-free Galerkin method, and interpolating boundary element-free method.