地理信息学与地统计学：概述

Space-Time Eigen Arrangement Examination on A Spatio-Worldly Koopman Deterioration, with Applications to High-Arrange Techniques

Itzhak Omer*

Eigensolution examination, otherwise called Fourier investigation or von Neumann examination, is a notable way to deal with measure the mathematical mistakes of the space-time discretizations in computational liquid elements. Exemplary eigensolution examinations remove the scattering and dissemination qualities through an eigenmode investigation of the discretization administrator, which should be unequivocally developed for the specific mathematical plan. Up until this point, transient eigensolution examination has been broadly applied to various mathematical strategies, see for instance late work on highrequest Discontinuous Galerkin (DG) plans for straight shift in weather conditions condition with consistent velocities or nonsteady coefficients or dissemination conditions , just as Flux Reconstruction (FR) for shift in weather conditions condition . To supplement the worldly eigensolution investigation, that expects occasional limit conditions, the spatial eigensolution examination has been proposed by Mengaldo et al. This permits the examination of open streams (for example inflow-surge limits) regularly found in streamlined issues. Eigensolution examinations have been effectively applied to reasonable applications, as spatially creating vortex-ruled stream and stream over a superior exhibition street vehicle.