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Summary

This parametric notebook generates exponentially twisted primary and secondary vanes, all driven by adjustable parameters such as twist rate, vane count, and radial taper.

Package Details


This parametric notebook generates high-fidelity pump geometry by combining a drafted central column with exponentially twisted primary and secondary vanes, all driven by adjustable fluid dynamics parameters like twist rate, vane count, and radial taper.

What you get

  • Complex Vane Morphologies: Primary and secondary vanes with independent height and count controls.
  • Advanced Twist Control: Exponentially ramped twist rates to optimize flow behavior at the vane tips.
  • Manufacturing Ready: Integrated radial draft angles and central column blending for castability or 3D printing.
  • Robust Field Logic: Implicit modeling ensures clean Booleans and predictable offsets for downstream shelling or simulation.

Inputs

Outputs

Modeling Principles

  • Late Trimming: To maintain field integrity, all components are modeled as “infinite” bodies and intersected with a master domain at the final step.
  • Normalized Fields: The twist operation uses normalized distance fields to prevent thickness distortion during high-twist maneuvers.
  • Interactive Polar Arrays: Utilizes a custom remap-based polar array for faster performance and better field continuity than standard geometry-based arrays.

License

MIT.

Source

https://community.ntop.com/packages/ntop/parametric-impeller