A5100363159- Advanced Numerical Methods in Computational Mathematics
- Differential Equations and Numerical Methods
- Hydrology and Watershed Management Studies
- Remote Sensing and Land Use
- Groundwater flow and contamination studies
- Nonlinear Differential Equations Analysis
- Differential Equations and Boundary Problems
- Fractional Differential Equations Solutions
- Solar and Space Plasma Dynamics
- Numerical methods in engineering
- Hydrological Forecasting Using AI
- Model Reduction and Neural Networks
- Electromagnetic Simulation and Numerical Methods
- Computational Fluid Dynamics and Aerodynamics
- Electromagnetic Scattering and Analysis
- Ionosphere and magnetosphere dynamics
- Urban Heat Island Mitigation
- Land Use and Ecosystem Services
- Climate change and permafrost
- Flood Risk Assessment and Management
- Magnetic confinement fusion research
- Iterative Methods for Nonlinear Equations
- Environmental Changes in China
- Toxoplasma gondii Research Studies
- Microwave Engineering and Waveguides
Wuhan University
2012-2024
Northwest Normal University
2023
Institute of Soil and Water Conservation
2020
Chinese Academy of Sciences
2020
Ministry of Water Resources of the People's Republic of China
2020
Anhui Medical University
2020
Southwest Jiaotong University
2020
Wuhan Donghu University
2019
National University of Defense Technology
2018
Communication University of Zhejiang
2008-2014
Abstract. Extreme precipitation (EP) is a major external agent driving various natural hazards in the Loess Plateau (LP), China. However, characteristics of spatiotemporal EP responsible for such hazardous situations remain poorly understood. We integrate universal multifractals with segmentation algorithm to characterize physically meaningful threshold (EPT). Using daily data from 1961 2015, we investigate variation over LP. Our results indicate that (with increasing) EPTs range 17.3 50.3...
Networks of subsurface pipes are widely used in humid regions to facilitate rapid removal surface ponding and effectively decrease groundwater tables. Their application is also extended arid as a strategic approach for mitigating soil salinization. Currently available pipe layout design methods require updating properly incorporate salt discharge such contexts. Numerical modeling then key tool effective optimization parameters drainage systems. One the challenges simulation inherent...
Islands are an important part of the marine ecosystem. Increasing impervious surfaces in Zhoushan due to new development and increased population have ecological impact on runoff water quality. Based time-series classification complement vegetation fraction urban regions, Landsat thematic mapper other high-resolution satellite images were applied monitor dynamics surface area (ISA) from 1986 2011. Landsat-derived ISA results validated by Worldview-2 aerial photographs. The validation shows...
Abstract Long‐term and accurate predictions of regional groundwater hydrology are important for maintaining environmental sustainability in arid agricultural areas that experience seasonal freezing thawing where serious water‐saving measurements used. In this study, we firstly developed a machine‐learning method by integrating multivariate time series controlled auto‐regressive the ridge regression (CAR‐RR) water table depth modeling. We applied evaluated model Hetao Irrigation District,...
Abstract Toroidal Alfvén eigenmodes excited by energetic particles (EPs) and their transition to particle modes are investigated using a three-dimensional nonlinear kinetic-magnetohydrodynamic hybrid simulation code. Both the symmetric chirping inside continuum gap for upward downward directions asymmetric affected found in simulations depending on EP drive mode damping. For weak damping, frequency is observed with rate consistent Berk–Breizman theory (Berk et al 1997 Phys. Lett. A 234 213)....
This paper is concerned with the existence and nonexistence of positive solutions for a nonlinear higher-order three-point boundary value problem. The results are obtained by applying fixed point theorem cone expansion compression functional type due to Avery, Henderson, O’Regan.
Abstract This article studies a class of nonconforming spline collocation methods for solving elliptic PDEs in an irregular region with either triangular or quadrilateral partition. In the methods, classical Gaussian points are used as matching and special quadrature triangle element points. The solution its normal derivative imposed to be continuous at marching authors present theoretically existence uniqueness numerical well optimal error estimate H 1 ‐norm method rectangular elements....
Abstract In a quasi-axisymmetric stellarator, significant bootstrap current will result in the generation of low-order rational surfaces and three-dimensional (3D) magnetic islands. this paper, influence plasma density profiles on equilibrium islands for Chinese first stellarator (CFQS) is investigated using HINT code. It found that flattening core profile leads to suppression When peaking factor 1.19, complete occurs while maintaining excellent integrity surface even with volume-averaged...
Coastal islands are located in a transitional environment where land and ocean interact. During the past 20 years, large areas of natural landscape Zhoushan have been replaced by human features. There is limited research detailing amount impervious surface growth trends using remotely sensed technologies. The purpose this paper to assess influences anthropogenic activities on ecological based surfaces. First surfaces information 1986, 1995 2006 were estimated Landsat Thematic Mapper (TM)...
Partial differential equations are often used to model various physical phenomena, such as heat diffusion, wave propagation, fluid dynamics, elasticity, electrodynamics and image processing, many analytic approaches or traditional numerical methods have been developed widely for their solutions. Inspired by rapidly growing impact of deep learning on scientific engineering research, in this paper we propose a novel neural network, GF-Net, the Green's functions linear reaction-diffusion an...
Abstract In this paper, the collocation method for solving one dimensional steady state and time dependent nonlocal diffusion equations is analyzed. The difficulty of applying to comes from singularity kernel. If kernel weakly singular, however, if not integrable in Riemann sense. So that Hadamard finite part integral introduced overcome difficulty. For analysis performance, a “balance” term added discretize operator. Numerical results validate theorems.
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