Metal Expansion-Bellows Convolution Axial Stiffness & Diaphragm Blank Sizer (.DXF)

Deterministic EJMA toroidal/diaphragm shell meridional bending stress + Basquin-Coffin-Manson low-cycle fatigue & spring rate engine (.dxf, .pdf, .json) built for Senior Flexonics, Witzenmann, BellowsTech, Swagelok — zero-upload ephemeral Wasm RAM execution.

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