张正强,兰州大学,数学与统计学院,副教授,学术型硕士研究生导师(计算数学)、专业学位硕士研究生导师(应用统计)。 教育经历 2010-09至2013-06,兰州大学数学与统计学院,博士,应用数学 2007-09至2010-06,兰州大学数学与统计学院,硕士,应用数学 2003-09至2007-06,兰州大学数学与统计学院,学士,信息与计算科学 科研与学术工作经历 (1)2013-07至今, 兰州大学, 数学与统计学院 (2)2017-11至2018-11, 澳大利亚国立大学, 数学研究所, 访问学者
(1)讲授本科生课程:《数值分析》、《数学物理方程》、《高等数学》;研究生课程:《高等工程数学应用》、《 高等工程数学》; (2)指导本科生参加全国大学生数学建模竞赛,多次获全国一等奖、二等奖;
代表性研究成果 (1) Guo S,Zhang Z, Mei L.Adaptive time-stepping Hermite spectral scheme for nonlinear Schrödinger equation with wave operator: Conservation of mass, energy, and momentum. Journal of Computational Physics,2025,528:113842. (2)Zhang Z, Zhang Y, Guo S. Nesterov acceleration-based iterative method for backward problem of distributed-order time-fractional diffusion equation. Mathematical Methods in the Applied Sciences, 2025, 48(2). (3)Zhang Z, Guo S, Zhang Y. An iterative method based on Nesterov acceleration for identifying space-dependent source term in a time-fractional diffusion-wave equation. Journal of Computational and Applied Mathematics, 2023,429:115214. (4)Zhang Z,Zhang Y. A fast iterative method for identifying the radiogenic source for the helium production-diffusion equation. Applied Mathematics in Science and Engineering, 2022(30). (5)Yan X, Zhang Z, Wei T. Simultaneous inversion of a time-dependent potential coefficient and a time source term in a time fractional diffusion-wave equation. Chaos Solitons Fractals, 2022(157). (6)Guo S, Mei L, Li C, Zhang Z, Li Y. Semi-implicit Hermite-Galerkin Spectral Method for Distributed-Order Fractional-in-Space Nonlinear Reaction-Diffusion Equations in Multidimensional Unbounded Domains. Journal of Scientific Computing, 2020, 85(15). (7)Fu Z, Jin Q, Zhang Z, Han B, Chen Y. Analysis of a heuristic rule for the IRGNM in Banach spaces with convex regularization terms. Inverse Problems, 2020, 36(7): 075002. (8)Guo S, Mei L, Zhang Z, et al.A linearized finite difference/spectral-Galerkin scheme for three-dimensional distributed-order time-space fractional nonlinear reaction-diffusion-wave equation: Numerical simulations of Gordon-type solitons, Computer Physics Communications,2020,252,107144. (9)Li Y S, Sun L L, Zhang Z Q, Wei T. Identification of the time-dependent source term in a multi-term time-fractional diffusion equation. Numerical Algorithms, 2019, 82(4): 1279-1301. (10)Guo S, Mei L, Hou Y, Zhang Z. An efficient finite difference/Hermite-Galerkin spectral method for time-fractional coupled sine-Gordon equations on multidimensional unbounded domains and its application in numerical simulations of vector solitons. Computer Physics Communications, 2019. (11)Guo S, Mei L, Zhang Z, et al. Finite difference/Hermite-Galerkin spectral method for multi-dimensional time-fractional nonlinear reaction-diffusion equation in unbounded domains. Applied Mathematical Modelling, 2019, 70: 246-263. (12)Zhang Z, Jin Q. Heuristic rule for non-stationary iterated Tikhonov regularization in Banach spaces. Inverse Problems, 2018, 34(11): 115002. (13)Guo S, Mei L, Zhang Z, et al. Finite difference/spectral-Galerkin method for a two-dimensional distributed-order time-space fractional reaction-diffusion equation. Applied Mathematics Letters, 2018, 85: 157-163. (14)Wei T, Zhang Z Q. Robin coefficient identification for a time-fractional diffusion equation. Inverse Problems in Science and Engineering, 2016, 24(4): 647-666. (15)Guo S, Mei L, Zhang Z. Time-fractional Gardner equation for ion-acoustic waves in negative-ion-beam plasma with negative ions and nonthermal nonextensive electrons. Physics of Plasmas, 2015, 22(5). (16)Wei T, Zhang Z Q. Stable numerical solution to a Cauchy problem for a time fractional diffusion equation. Engineering Analysis with Boundary Elements, 2014, 40: 128-137. (17)Zhang Z Q, Ma Y J. A modified kernel method for numerical analytic continuation. Inverse Problems in Science and Engineering, 2013, 21(5): 840-853. (18)Zhang Z Q, Wei T. An optimal regularization method for space-fractional backward diffusion problem. Mathematics and Computers in Simulation, 2013, 92: 14-27. (19)Zhang Z Q, Wei T. Identifying an unknown source in time-fractional diffusion equation by a truncation method. Applied Mathematics and Computation, 2013, 219(11): 5972-5983. (20)Wei T, Zhang Z Q. Reconstruction of a time-dependent source term in a time-fractional diffusion equation. Engineering Analysis with Boundary Elements, 2013, 37(1): 23-31.
(1)军工项目:******,2024年11月至今,在研,主持 (2)横向项目,基于正则化理论的视频及图像处理技术,2023-12至2024-05,10万元,已结题,主持 (3)中央高校基本科研业务费,青年教师科研创新项目,lzujbky-2023-25,超慢反常扩散过程中相关系数辨识问题的理论和算法研究,2023-07至2025-06,15万元,在研,主持 (4)国家自然科学基金委员会,面上项目,42275004,边界层水、热过程对青藏高原低涡活动的影响及参数化研究,2023-01至2026-12,55万元,在研,参加 (5)国家自然科学基金委员会,面上项目,12171215,反常扩散中多参数同时辨识的唯一性理论与算法研究,2022-01至2025-12,51万元,在研,参加 (6)甘肃省自然科学基金,面上项目,21JR7RA475,时间分数阶扩散方程系数识别问题研究,2021-07至2023-06, 6万元,在研,主持 (7)国家自然科学基金委员会,面上项目,11771192,分数阶扩散波方程反问题的理论及正则化方法研究,2018-01至2021-12,49万元,在研,参加 (8)国家自然科学基金委员会,青年项目,11601207,时间分数阶扩散方程源项识别问题研究,2017-01至2019-12,19万元,已结题,主持 (9)中央高校基本科研业务费,lzujbky-2014-24,2014-01至2015-06,4万元,已结题,主持 (10)国家自然科学基金委员会,面上项目,11371181,分数阶扩散方程反问题的计算方法及理论研究,2014-01至2017-12,62万元,已结题,参加 (11)国家自然科学基金委员会,面上项目,11171136,不适定问题非经典正则化方法有关问题的研究,2012-01至2015-12,40万元,已结题,参加
2022年荣获甘肃省大学生学科专业竞赛优秀指导教师称号; 2019年兰州大学本科毕业论文(设计)优秀指导教师; 2012-2013学年兰州大学三好研究生; 兰州大学2007届优秀毕业生;
作者:张正强