hydrostatic equation

hydrostatic equation

[‚hī·drə′stad·ik i′kwā·zhən]
(physics)
The form assumed by the vertical component of the vector equation of motion when all Coriolis force, earth curvature, frictional, and vertical acceleration terms are considered negligible compared with those involving the vertical pressure force and the force of gravity.
References in periodicals archive ?
The hypsometric equation combines the hydrostatic equation used in the above stack effect formula with the ideal gas law and is the basis for the table values published in the Aeronautical Information Manual for altimeter correction when flying between airports at different temperatures.
The vertical equation is, in fact, the hydrostatic equation.
The shallow water equations also arise frequently in the solution of the 3D primitive hydrostatic equations if the top surface of the fluid is free to move.