Hydrostatic Force in Three Dimensions
OpenHydroLab · the pressure prism as a solid you can walk around
Surface
Plane surface
Curved surface
Shape of the plate
Rectangle
Triangle
Circle
Semicircle
Angle to free surface θ
Size along the plane L
Width b
Depth of upper edge h
top
Circular gate
Radius R
Depth of the pivot axis h
O
Arc span
Gate width b
Fluid
Density ρ
Show
Pressure prism (the solid)
Pressure arrows on the surface
Water body
Labels
Slow turntable
RECTANGLE ON AN INCLINED PLANE
Presets from the worked problems
Vertical plate — 1 m × 2.5 m, top edge at the surface
Dam face at 45° — 10 m deep, per metre width
Inclined gate at 30° — hinged 2 m below the surface
Circular gate — 2 m across, 3 m down, at 60°
Radial gate — R = 2 m, 2 m wide, pivot 3 m down
Worked solution
Readout
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