Examples

Calculation #     . Wed May 29 14:15:37 PDT 2002
Input:
Radius of sphere R: 1.0
Rise of the cap H: 0.2
Poisson's ratio of the material ν: 0.3
Shell thickness h: 0.01

Output:

Energy barrier diagram.

The shell parameter lambda is 11.497029

KDF corresponding to qL is 0.34975365 with energy barrier 0.33944434

KDF corresponding to qD is 0.27980292 with energy barrier 0.90783316

KDF corresponding to qDI is 0.2207075 with energy barrier 2.5148544

Pressure qDeflection wEnergy
barrier En
Force maxQ
0.61.19504480.023333950.09844342
0.575 1.2831006 0.030083736 0.10867252
0.55 1.3774463 0.038702857 0.11930019
0.525 1.4780816 0.04976858 0.13033268
0.5 1.5891998 0.064080335 0.14178148
0.475 1.7108009 0.082765594 0.1536639
0.45 1.8470778 0.10745187 0.166004
0.425 2.002224 0.14054483 0.17886406
0.4 2.182529 0.18569528 0.19231108
0.375 2.3942826 0.24859664 0.2064347
0.35 2.6521606 0.33838263 0.22135189
0.325 2.9666462 0.47008598 0.23717491
0.3 3.3608012 0.6690503 0.2539434
0.275 3.8618813 0.97895515 0.27153927
0.25 4.511818 1.4777846 0.28969195
0.225 5.3672185 2.316816 0.30854177
0.2 6.547587 3.8373122 0.3302205
0.175 8.279354 6.9350767 0.3602728
0.15 11.021667 14.219287 0.4066283
0.125 15.648796 34.211384 0.4773834
0.1 23.997337 99.87158 0.5804504