On convergence of schemes of finite element method of high accuracy for the equation of heat and moisture transfer
Dawletbay UtebaevBerdakh Karakalpak State University, Nukus, Uzbekistan;G.Kh. G.Kh. UtepbergenovaBerdakh Karakalpak State University, Nukus, Uzbekistan;Kuwatbay TleuovAl-Khwarizmi Nukus branch of the Tashkent University of Information Technologies, Nukus, Uzbekistan
ABI
Abstract
In this paper difference schemes of the finite element method of a high order of accuracy for the non-stationary equation of moisture transfer of Aller are constructed and investigated. The increased order of accuracy is achieved through special sampling of temporal and spatial variables. The stability and convergence of the constructed numerical algorithms are proved, the corresponding a priori estimates are obtained in various norms, which are used later to obtain estimates of the accuracy of the scheme under weak assumptions on the smoothness of solutions to the differential problem.