Optimization back-analysis on pipeline defect identification based on constrained penalty function and nonlinear-least-squares method. - Tongtao Wang; Xiangzhen Yan; Xiujuan Yang; Yaorong Feng (FSKD, 2010)

Risk assessment for coal-bed methane underbalanced drilling based on triangular fuzzy numbers. - Qingyang Wen; Xiujuan Yang; Xiangzhen Yan; Gensheng Li (FSKD, 2010)

Improved Gauss-Newton-Marquardt algorithms for displacement back analysis of casing external loads in salt stratum. - Xiangzhen Yan; Tongtao Wang; Xiujuan Yang; Yaorong Feng; Jianjun Wang (ICNC, 2010)

Combined inversion algorithm of coal seam stress field based on wavelet neural network and gradual loading algorithm. - Lisong Zhang; Henglin Yang; Xiangzhen Yan; Xiujuan Yang (ICNC, 2010)

Contact-impact and performance analysis of automatic vertical drilling system based on parallel computing method. - Yifei Yan; Bing Shao; Xiangzhen Yan; Chaofeng Bi; Wei Chen (J. Comput. Methods Sci. Eng., 2016)

Structural Parameters Optimization of Elastic Cell in a Near-Bit Drilling Engineering Parameters Measurement Sub. - Long Zhao; Yifei Yan; Xiangzhen Yan; Lei Zhao (Sensors, 2019)

Portfolio Optimization: A Return-on-Equity Network Analysis. - Xiangzhen Yan; Hanchao Yang; Zhongyuan Yu; Shuguang Zhang; Xianrong Zheng (IEEE Trans. Comput. Soc. Syst., 2024)