Table 9: FEA convergence of the central deflection (mm) of a thick moderately deep (R/a = 10) isotropic square (a = b = 1 m) saddle shaped simply supported (SS4) panel under uniform load (q0 = 100 MPa).
Number of Elements |
FEA (ABAQUS) (mm) |
Present (mm) |
RD % |
4 |
63.00 |
9.328 |
575.39 |
200 |
11.66 |
9.328 |
25 |
800 |
10 |
9.328 |
7.2 |
1600 |
9.689 |
9.328 |
3.87 |
3125 |
9.479 |
9.328 |
1.62 |
12000 |
9.268 |
9.328 |
0.64 |
25000 |
9.268 |
9.328 |
0.64 |