# Laplace's Law(Sphere)

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"P" =
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vCalc.Laplace's Law(Sphere)
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The relationship between wall tension and pressure in a hollow structure is related to the radius of curvature of the wall. If the structure is a sphere then:

P = Transmural Pressure = ' (2y)/R`

Inputs are:

• y = Wall Tension
• R = Radius

**written by Justin Liller