External pressure | A1 | A2 | A3 | A4 |
---|---|---|---|---|
h (\(\upmu \text{m}\)) | 150 | 150 | 154 | 158 |
R/h | 500 | 500 | 487 | 475 |
Z | 1220 | 1220 | 1190 | 1160 |
E (GPa) | 162 | 155 | 158 | 152 |
\(P_{exp}\) Buckling pressure (MPa) | 0.021 | 0.019 | 0.020 | 0.0223 |
\(P_{E}\) (MPa) | 0.0213 | 0.0204 | 0.0222 | 0.0227 |
\(\frac{P_{exp}}{P_{E}}\) | 0.986 | 0.931 | 0.900 | 0.982 |
Fourier mode n | 11 | 10 | 11 | 11 |
Axial compression | A5 | A6 |
---|---|---|
h (\(\mu m\)) | 150 | 148 |
R/h | 500 | 500 |
Z | 1220 | 1933 |
E (GPa) | 163 | 155 |
\(F_{exp}\) Buckling load (N) | 11,000 | 9275 |
\(F_{E}\) (N) | 14,193 | 13,125 |
\(\frac{F_{exp}}{F_{E}}\) | 0.775 | 0.707 |
Fourier mode n | 11 | 12 |