%0 Journal Article %T BASIC PROVISIONS IN MODEL DEVELOPMENT IN THE CURRENT OF OPEN WATER STREAMS %A Kochanenko, V.N. %A Aleksandrova, M.S. %A Kondratenko, A.I. %K boundary value problem, free spreading, hydraulic structures, water flow, mathematical model, plane of velocity hodograph %J Construction and Architecture %D 2021 %N 9 %P 4 %I Publishing Center RIOR