Research Article

Robust Optimal Design of Fiber-Reinforced Composite Cylinder with Metallic Liner

Table 3

Optimal continuous design variables for case of 0.5 mm SAE4130 liner when plastic design of SAE4130 liner is utilized.

Design variableNo uncertaintyProperty uncertaintiesMaterial uncertaintiesProperty and material uncertainties

𝑡 1  (mm)1.330.811.761.52
𝑡 2   (mm)0.603.020.743.16
𝑡 3   (mm)6.005.996.006.00
𝑡 4   (mm)4.825.995.726.00
𝑡 5   (mm)6.006.006.006.00
𝜃   (deg)55.542.553.651.7