Significance of Epsilon in Optistruct.

Significance of Epsilon

Epsilon is a measure of the error.

It is ratio of work done by Residual Loads to the work done by actual loads when acts through displacement{D}.

It can be calculated as follows:

ε =



In above examples we an observe epsilon value less than 10e-9 which shows Numerically stable problem. Non linear with large displacement can be seen blank.