In my Result,
SPRING WIRED DIAMETER d3(mm) = 0.0000000E+00
SPRING DIAMETER D3(mm) = 0.0000000E+00
SPRING WIRED DIAMETER d4(mm) = 0.0000000E+00
SPRING DIAMETER D4(mm) = 0.0000000E+00
NUMBER OF ACTIVE TURNS OF 3RD SPRING = NaN
NUMBER OF ACTIVE TURNS OF 4TH SPRING = NaN
So, How do I Fix it?
If you need fortran file, I will email to you
You probably have a divide-by-zero, since your diameters are all zero (and I'll guess that the active turns requires dividing by the diameter?
Other than that observation, there really isn't enough information here for anyone to offer a solution.
What is the known information, what are the results that you want to calculate, what is the mathematical relation between the givens and the unknowns, and what is the algorithm being used? How is all this implemented in the computer program?