Meshless analysis of an improved element-free Galerkin method for linear and nonlinear elliptic problems Project supported by the National Natural Science Foundation of China (Grant No. 11471063), the Chongqing Research Program of Basic Research and Frontier Technology, China (Grant No. cstc2015jcyjBX0083), and the Educational Commission Foundation of Chongqing City, China (Grant No. KJ1600330). |
(color online) Convergence of the IEFG with respect to the nodal spacing for variable penalty factors. |