Profile of Prof. Sun

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Ne-Zheng Sun, Ph.D.     

Adjunct Professor

5732L Boelter Hall
Department of Civil and Environmental Engineering
University of California
Los Angeles, CA 90095-1593

Phone: (310) 206-6267      Fax: (310) 206-2222



PhD (equivalent) (1965), Shandong University

 Research Interests

  My research interests center around the development of both deterministic and stochastic mathematical models for simulating complicated biological and chemical transport processes in porous media, and the use of these models in water resources management and environmental engineering.

I have presented a series of new concepts and methods for solving both forward and inverse problems in groundwater modeling, such as the multiple cell balance method (MCB), the management equivalent
identifiability, the adjoint state method for stochastic partial differential equations, a stepwise regression method for solving the generalized inverse problem, and more recently, the finite cell method (FCM), the theory of model structure reduction, and the algorithms for finding sufficient and robust designs.

My current research comprises (1) Developing an effective and accurate numerical method, the finite cell method, for simulating complicated biological and chemical reaction- transport processes in porous media; (2) Presenting a new methodology for determining the complexity of model structure of distributed parameter systems; (3) Designing cost-effective field experiments and observation networks for model calibration and environmental monitoring.