# Check 2 - Uniform flow in a confined aquifer with uniform recharge

##### Checks confined domain, constant head line boundary, normal flux line boundary, uniform recharge, 3D pathlines.

This is the same as check1, with the addition of uniform flux into the top of the domain (recharge) at a rate of 0.0005. Flow over the entire model is from left to right.

Over the 1000 unit distance from left to right, the uniform recharge adds an additional 0.50 to the domain discharge, which it does.

The domain discharge (specific discharge times saturated thickness) is about 0.35 at the left edge and about 0.85 at the right edge.

The one pathline starts at the left edge at the top of the domain. By the time it reaches the right side, recharge has added 0.50 units of discharge above the pathline, compared to 0.35 below it for a total domain discharge of 0.85.

At the right side, the fractional depth of the pathline is 0.5/0.85 = 0.59, as is should be, which places the pathline at an elevation of about 4.1 in the domain that goes from 0 to 10 elevation.