Weifeng Qiu

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 37

Top Topics

Diffuse Optical Tomography

Top Venues

J. Sci. Comput.

SIAM J. Numer. Anal.

Publications

Weifeng Qiu, Lina Zhao
H(rmdiv)-conforming HDG methods for the stress-velocity formulation of the Stokes equations and the Navier-Stokes equations. Numerische Mathematik 156 (4) (2024)
Xiang Zhong, Weifeng Qiu
Analysis of a Narrow-Stencil Finite Difference Method for Approximating Viscosity Solutions of Fully Nonlinear Second Order Parabolic PDEs. J. Sci. Comput. 99 (3) (2024)
Buyang Li, Weifeng Qiu, Yupei Xie, Wenshan Yu
Weak discrete maximum principle of isoparametric finite element methods in curvilinear polyhedra. Math. Comput. 93 (345) (2023)
Xiaoxin Wu, Weifeng Qiu, Kejia Pan
optimal quadratic finite volume scheme over triangular meshes for anisotropic elliptic equations. Adv. Comput. Math. 49 (6) (2023)
Buyang Li, Weifeng Qiu, Yupei Xie, Wenshan Yu
Weak discrete maximum principle of isoparametric finite element methods in curvilinear polyhedra. CoRR (2023)
Yuchen Huang, Weifeng Qiu, Weiwei Sun
New Analysis of Mixed Finite Element Methods for Incompressible Magnetohydrodynamics. J. Sci. Comput. 95 (3) (2023)
Xiang Zhong, Weifeng Qiu
Spectral Analysis of a Mixed Method for Linear Elasticity. SIAM J. Numer. Anal. 61 (4) (2023)
Huadong Gao, Weifeng Qiu, Weiwei Sun
New analysis of mixed FEMs for dynamical incompressible magnetohydrodynamics. Numerische Mathematik 153 (2) (2023)
Weifeng Qiu, Jin Ren, Ke Shi, Yuesheng Xu
A Non-gradient DG method for second-order Elliptic Equations in the Non-divergence Form. CoRR (2023)
Huadong Gao, Weifeng Qiu
A new error analysis and post-processing technique of the lowest-order Raviart-Thomas mixed finite element method for parabolic problems. Comput. Math. Appl. 133 (2023)
Shu Ma, Weifeng Qiu
Error estimates for the scalar auxiliary variable (SAV) scheme to the Cahn-Hilliard equation. CoRR (2022)
Xiang Zhong, Weifeng Qiu
Spectral analysis of a mixed method for linear elasticity. CoRR (2022)
Buyang Li, Weifeng Qiu, Zongze Yang
A Convergent Post-processed Discontinuous Galerkin Method for Incompressible Flow with Variable Density. J. Sci. Comput. 91 (1) (2022)
Yuchen Huang, Weifeng Qiu, Weiwei Sun
New analysis of Mixed finite element methods for incompressible Magnetohydrodynamics. CoRR (2022)
Huangxin Chen, Jingzhi Li, Weifeng Qiu
interior penalty method for mth-Laplace equation. CoRR (2021)
Huadong Gao, Weifeng Qiu
The pointwise stabilities of piecewise linear finite element method on non-obtuse tetrahedral meshes of nonconvex polyhedra. CoRR (2021)
Huadong Gao, Weifeng Qiu
The Pointwise Stabilities of Piecewise Linear Finite Element Method on Non-obtuse Tetrahedral Meshes of Nonconvex Polyhedra. J. Sci. Comput. 87 (2) (2021)
Weifeng Qiu, Ke Shi
Analysis of a semi-implicit structure-preserving finite element method for the nonstationary incompressible Magnetohydrodynamics equations. CoRR (2020)
Kaibo Hu, Weifeng Qiu, Ke Shi
Convergence of a B-E based finite element method for MHD models on Lipschitz domains. J. Comput. Appl. Math. 368 (2020)
Weifeng Qiu, Ke Shi
Analysis of a semi-implicit structure-preserving finite element method for the nonstationary incompressible Magnetohydrodynamics equations. Comput. Math. Appl. 80 (10) (2020)
Weifeng Qiu, Shun Zhang
Adaptive First-Order System Least-Squares Finite Element Methods for Second-Order Elliptic Equations in Nondivergence Form. SIAM J. Numer. Anal. 58 (6) (2020)
Buyang Li, Weifeng Qiu
A convergent post-processed discontinuous Galerkin method for incompressible flow with variable density. CoRR (2020)
Weifeng Qiu, Lan Tang
A note on the Monge-Ampère type equations with general source terms. Math. Comput. 89 (326) (2020)
Huangxin Chen, Amiya Kumar Pani, Weifeng Qiu
A mixed finite element scheme for biharmonic equation with variable coefficient and von Kármán equations. CoRR (2020)
Weifeng Qiu, Ke Shi
Analysis on an HDG Method for the p-Laplacian Equations. J. Sci. Comput. 80 (2) (2019)
Weifeng Qiu, Shun Zhang
Adaptive First-Order System Least-Squares Finite Element Methods for Second Order Elliptic Equations in Non-Divergence Form. CoRR (2019)
Bernardo Cockburn, Guosheng Fu, Weifeng Qiu
-Inequalities for Spaces Admitting M-Decompositions. SIAM J. Numer. Anal. 56 (6) (2018)
Weifeng Qiu, Jiguang Shen, Ke Shi
An HDG method for linear elasticity with strong symmetric stresses. Math. Comput. 87 (309) (2018)
Huadong Gao, Weifeng Qiu
Error Analysis of Mixed Finite Element Methods for Nonlinear Parabolic Equations. J. Sci. Comput. 77 (3) (2018)
Huangxin Chen, Weifeng Qiu, Ke Shi, Manuel Solano
A Superconvergent HDG Method for the Maxwell Equations. J. Sci. Comput. 70 (3) (2017)
Ayçil Çesmelioglu, Bernardo Cockburn, Weifeng Qiu
Analysis of a hybridizable discontinuous Galerkin method for the steady-state incompressible Navier-Stokes equations. Math. Comput. 86 (306) (2017)
Peipei Lu, Huangxin Chen, Weifeng Qiu
An absolutely stable hp-HDG method for the time-harmonic Maxwell equations with high wave number. Math. Comput. 86 (306) (2017)
Huangxin Chen, Weifeng Qiu
A first order system least squares method for the Helmholtz equation. J. Comput. Appl. Math. 309 (2017)
Eric T. Chung, Weifeng Qiu
Analysis of an SDG Method for the Incompressible Navier-Stokes Equations. SIAM J. Numer. Anal. 55 (2) (2017)
Weifeng Qiu, Manuel Solano, Patrick Vega
A High Order HDG Method for Curved-Interface Problems Via Approximations from Straight Triangulations. J. Sci. Comput. 69 (3) (2016)
Weifeng Qiu, Minglei Wang, Jiahao Zhang
Direct computation of stresses in linear elasticity. J. Comput. Appl. Math. 292 (2016)
Weifeng Qiu, Ke Shi
An HDG Method for Convection Diffusion Equation. J. Sci. Comput. 66 (1) (2016)
Douglas N. Arnold, Gerard Awanou, Weifeng Qiu
Mixed finite elements for elasticity on quadrilateral meshes. Adv. Comput. Math. 41 (3) (2015)
Bernardo Cockburn, Weifeng Qiu, Manuel Solano
A priori error analysis for HDG methods using extensions from subdomains to achieve boundary conformity. Math. Comput. 83 (286) (2014)
Jay Gopalakrishnan, Weifeng Qiu
An analysis of the practical DPG method. Math. Comput. 83 (286) (2014)
Huangxin Chen, Guosheng Fu, Jingzhi Li, Weifeng Qiu
First order least squares method with weakly imposed boundary condition for convection dominated diffusion problems. Comput. Math. Appl. 68 (12) (2014)
Bernardo Cockburn, Weifeng Qiu
Commuting diagrams for the TNT elements on cubes. Math. Comput. 83 (286) (2014)
Jesse Chan, John A. Evans, Weifeng Qiu
A dual Petrov-Galerkin finite element method for the convection-diffusion equation. Comput. Math. Appl. 68 (11) (2014)
Bernardo Cockburn, Weifeng Qiu, Ke Shi
Conditions for superconvergence of HDG methods for second-order elliptic problems. Math. Comput. 81 (279) (2012)
Jamie Bramwell, Leszek F. Demkowicz, Jay Gopalakrishnan, Weifeng Qiu
DPG method for linear elasticity with symmetric stresses. Numerische Mathematik 122 (4) (2012)
Bernardo Cockburn, Weifeng Qiu, Ke Shi
Superconvergent HDG Methods on Isoparametric Elements for Second-Order Elliptic Problems. SIAM J. Numer. Anal. 50 (3) (2012)
Weifeng Qiu, Leszek F. Demkowicz
Mixed variable order h-finite element method for linear elasticity with weakly imposed symmetry. Curvilinear elements in 2D. Comput. Methods Appl. Math. 11 (4) (2011)
Weifeng Qiu, Leszek F. Demkowicz
Mixed hp-Finite Element Method for Linear Elasticity with Weakly Imposed Symmetry: Stability Analysis. SIAM J. Numer. Anal. 49 (2) (2011)