Add coil spring specific test cases to the existing set of piston-cylinder test cases.
These may be derived from the existing Demo and Tutorial sessions. Also, various cases exploring various "pathological" conditions can be included. For examples, see #760.
Add coil spring specific test cases to the existing set of piston-cylinder test cases.
These may be derived from the existing Demo and Tutorial sessions. Also, various cases exploring various "pathological" conditions can be included. For examples, see #760.