Exercises
- A variable pitch spring is to be made from a music (ASTM A228) wire with a diameter of 20 mm and other data as shown here:
Total number of active coils = 10
Number of inactive coils = 4
Free length = 500 mm
Outside diameter = 120 mm
The spring is ground at the ends. Compute the deflection experienced by the spring when a force of 300 N is applied at its top.
- Repeat case study 2 for cases where: (a) the friction coefficient is set to 0.02 by evaluating the effect of the change of the coefficient of friction on the stress values; and (b) the default bonded interaction is retained with no manual definition of the "contact" interaction. How does this affect the stress distribution?
