TY - Journal of Yangtze River Scientific Research Institute A1 - NIU Yan, XIE Liang-fu, ZHOU Zhi-yu,WANG Yong-wei T1 - A Strength Reduction Method of Hyperbolic IterationBased on Upper Bound Finite Element Y1 - 2015-05-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 127 EP - 131 VL - 32 IS - 5 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2015.05.024 ER -