Spherical Pressure Hull Buckling Calculator
Deep submergence bathyscaphes: Calculate Zoelly classical elastic buckling pressure ($P_{cr}$), empirical shell imperfection knockdown factor ($C_k$), and full-ocean-depth collapse limits.
Spherical Hull Dimensions
Common 2.0 to 2.2 m external diameter
Alvin ~73mm, Challenger ~64mm
Material & Manufacturing Quality
Buckling & Collapse Output
Actual Collapse Pressure:
--
-- MPa
Maximum Collapse Depth:
--
Meters seawater
Factor of Safety at Operating:
--
Collapse margin at target depth
Failure Mode Governing:
--
Elastic vs Plastic yield
| Ideal Zoelly Elastic Buckling (P_cl): | -- |
| Direct Membrane Yield Pressure (P_y): | -- |
| Sphere Internal Usable Volume: | -- |
| Hull Dry Weight (in air): | -- |
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