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Calculates the water lines in gradually varied steady flows
BACKWATER program calculates the water lines in gradually varied steady flows in open channel.
It also allows to calculate Specific Energy and Specific Force (for jumps).
Backwater provides : normal depth, critical depth, critical slope, maximum discharge, the flow type (M1, M2...)... and the coordinates of the water profile on the considered reach.
It accepts several types of sections : circular, rectangular, trapezoidal, triangular...