Application of Gas Lubrication Theory

For steady state lubrication, the general modified Reynolds equation can be written as 

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It should be pointed out that if there exists a step between two neighboring grid points, or a discontinuity of H in other words, qum,j qi,j+m otd qi j- /2 should be 

The harmonic average is effective to overcome troubles due to jumps ofq from grid point (i,/) to (i +1,/). 

The discretized Eq (35) can be solved iteratively. A simple point-by-point iterative scheme is 

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