Submarine Pressure Hull Collapse Depth Calculator

Naval Architecture & Pressure Vessel Engineering: Calculate ring-stiffened cylindrical pressure hull collapse depth, interframe shell yield, and frame buckling.

Hull Dimensions & Stiffeners

Hull Outside Diameter $D_h$ (m):

Shell Plating Thickness $t$ (mm):

Frame Ring Spacing $L_f$ (m):

Design Safety Factor $SF$:

Hull Material Specification

Naval Pressure Hull Alloy:

Collapse & Operating Depth Limits

Theoretical Collapse Depth

-- m

-- ft (-- bar)

Maximum Operating Depth

-- m

-- ft (SF: --)

Shell Interframe Yield ($P_y$)

-- MPa

Yield Depth: -- m

Overall Frame Buckling ($P_b$)

-- MPa

Buckling Depth: -- m

Failure Mode Diagnostics:

• Governing failure mechanism: --

• Membrane hoop stress at test depth: -- MPa

• Weight-to-displacement ratio ($W_{\text{hull}} / \nabla$): ~-- %

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Submarine Pressure Hull Collapse Depth Calculator

Hull Dimensions & Stiffeners

Hull Material Specification

Collapse & Operating Depth Limits

Frequently Asked Questions