Enclosures and housings
Parametric Type III COPV Assembly
- Bounding box
- 486.7 × 486.8 × 1239.8 mm
- Engine
- Precision B-rep
- Parameters
- 14
- Published
- October 2, 2026
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Free to download and use. See the terms.
The prompt
Create a complete, clean, parametric Type III COPV assembly for the given assessment: 450 mm internal diameter, 150 L internal volume, 643.14 mm cylindrical length, hemispherical domes, 30 MPa MOP, 60 MPa burst pressure, 16 mm ID polar ports, and maximum mass 65 kg. Model a metallic 6061-T6 liner with an adjustable thickness and a full 360° carbon/epoxy composite overwrap with adjustable thickness and ply count. Place two polar bosses concentrically on the longitudinal axis at the dome poles. Use ±55° helical and 90° hoop winding directions as initial design parameters. Create separate named components for LINER, LINER_MIDSURFACE, LEFT_POLAR_BOSS, RIGHT_POLAR_BOSS, COMPOSITE_OVERWRAP, and WINDING_REFERENCE. Ensure the composite completely covers the cylindrical section and both domes. Keep liner thickness, composite thickness, boss dimensions, winding angle, ply thickness, hoop ply count and helical ply count fully parametric. Provide a complete 3D assembly suitable for CATIA/STEP export and downstream HyperMesh/MSC Nastran analysis.
Parameters
| Name | Value | Range |
|---|---|---|
| Internal Radius | 225 mm | 100 – 500 |
| Cylindrical Section Length | 643.14 mm | 100 – 2000 |
| Liner Wall Thickness | 3 mm | 1 – 10 |
| Midsurface Shell Thickness | 0.5 mm | 0.1 – 2 |
| Composite Overwrap Thickness | 15 mm | 1 – 50 |
| Ply Thickness | 0.2 mm | 0.05 – 1 |
| Hoop Ply Count | 10 count | 1 – 200 |
| Helical Ply Count | 20 count | 1 – 200 |
| Helical Winding Angle | 55 deg | 20 – 80 |
| Polar Port Diameter | 16 mm | 5 – 50 |
| Boss Outer Diameter | 60 mm | 20 – 150 |
| Boss Flange Diameter | 90 mm | 30 – 200 |
| Boss Protrusion Length | 45 mm | 10 – 120 |
| Boss Flange Thickness | 5 mm | 1 – 20 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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