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Marine Stern Tube Shafting & 5-Blade Propeller Cutaway (8 Bodies)
Complete 8-body marine propulsion stern tube assembly with quarter cutaway through the steel stern tube housing, water-lubricated Cutless bearings, and forward mechanical shaft seal, paired with a 5-blade nickel-aluminum bronze propeller.
Marine stern tube assemblies support the cantilevered mass of the multi-blade bronze propeller while transmitting propulsion thrust and sealing seawater at the hull penetrations. The quarter cutaway exposes the 8 longitudinal cooling-water flutes inside both aft and forward Cutless bearings, the stainless tailshaft, the forward mechanical seal, and the tapered keyed propeller hub.
1. Geometry & FEA Mesh
- •8 independent solid bodies: 5-blade nickel-aluminum bronze propeller, bronze fairing cap with bolts, stainless propeller shaft with key, steel stern tube housing (cutaway), aft Cutless bearing (cutaway), forward Cutless bearing (cutaway), mechanical shaft seal (cutaway), and inboard coupling flange.
- •Zero CAD Collisions Gate verified: 0.000 mm³ overlap across all 8 bodies.
2. Loads & Boundary Conditions
- •Exact conical bore and keyway in the propeller hub plus 8 longitudinal water grooves in both Cutless bearing liners.
3. Simulation Results & Findings
- ✓All 8 marine propulsion components open interactively in the browser with realistic bronze, stainless, steel, and elastomer colors.
Showcases naval architecture and marine propulsion shafting CAD assembly capabilities in WebCAE.
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- ✓Up to 1.5M+ DOFs (direct sparse solver)
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- ✓Nonlinear Contact & Buckling (Kσ, MITC4, RBE2/RBE3)
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