A preserving accuracy two-grid reduced-dimensional Crank-Nicolson mixed finite element method for nonlinear wave equation - Li, Yuejie; Li, Huanrong; Zeng, Yihui; Luo, Zhendong (Applied numerical mathematics, 2024)
Keywords: Nonlinear wave equation; Proper orthogonal decomposition technique; Reduced-dimension extrapolated two-grid Crank– Nicolson mixed finite element method; Unconditional stability and error estimate; Nonlinear wave equation; Unconditional stability and error estimate; Proper orthogonal decomposition technique; Reduced-dimension extrapolated two-grid Crank– Nicolson mixed finite element method