Table 8: Comparison of Normalized Central Moments, , of [0/90/0] Cylindrical (R1 = ∞, R2/a = 3) Panels under Uniform Load for Different a/h Ratios, Computed Using Three Shear Deformation Theories
|
Normalized Central Moment,, of [0/90/0] Cylindrical Panels (R1 = ∞, R2/a = 3) under Uniform Load |
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|
Boundary Condition
|
a/h
|
LCST (Zig-Zag) FEA [113] |
TSDT [95,96,101,102] |
FSDT [115] |
Relative Degree of Shear Flexibility‡(Zig-Zag vs. TSDT) |
|
SS1 [101,115] |
4 |
|
107.576 |
108.817 |
Zig-Zag theory yields somewhat greater shear-flexibility than TSDT (-8.494% vs. -1.169%) |
|
SS3 [113,115] |
4 |
99.29 |
107.239 |
108.507 |
|
|
SS4 [115] |
4 |
|
90.967 |
93.390 |
|
|
SS2/SS3 [95] |
4 |
|
107.202 |
108.473 |
|
|
C4/SS3 [96] |
4 |
|
40.967 |
|
|
|
C3 [102,115] |
4 |
|
31.867 |
|
|
|
SS1 [101,115] |
10 |
|
122.196 |
123.030 |
Zig-Zag theory yields slightly greater shear-flexibility than TSDT (-3.218% vs. -0.715%) |
|
SS3 [113,115] |
10 |
118.13 |
121.185 |
122.058 |
|
|
SS4 [115] |
10 |
|
82.772 |
84.606 |
|
|
SS2/SS3 [95] |
10 |
|
121.078 |
121.956 |
|
|
C4/SS3 [96] |
10 |
|
44.975 |
|
|
|
C3 [102,115] |
10 |
|
36.203 |
|
|