With the isentropic relationships given in Equation (forty), the unknown variables may be solved iteratively with Equation (forty three) by means of Equation (50) based on the circulation situation (subsonic ahead, subsonic reverse, choked forward, and choked reverse). For every stream situation, the velocity range, unknown variables, instantly utilized constraints, and iteration equation numbers are summarized in Table 1. Note that the throat velocity dictates the solution technique however can be an unknown parameter. The equations for a given flow condition are repeatedly differentiable and may be solved utilizing a Newton-type solver. Nevertheless, when contemplating the solution as a whole, equations will not be continuously differentiable at , , or . Because of this, each movement condition is evaluated individually.

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