Automated converging-diverging nozzle generation workflow using SolidWorks API and VBA
CAD Automation • Hydrogen Propulsion • Parametric Design • Aerospace Engineering
This project focuses on the development of an automated CAD generation workflow for hydrogen propulsion nozzle systems using SolidWorks API and VBA automation.
The system was designed to reduce repetitive engineering tasks by enabling rapid generation of converging-diverging nozzle geometries for aerospace propulsion applications.
The investigation focuses on:
- CAD automation workflows
- parametric nozzle generation
- propulsion system geometry
- engineering efficiency improvement
- automated modelling techniques
- aerospace design optimisation
- SolidWorks
- VBA
- SolidWorks API
- MATLAB
- Parametric CAD modelling
- Automated geometry generation
- Engineering workflow optimisation
- API-based feature automation
- Propulsion nozzle configuration studies
- Hydrogen Propulsion Systems
- Aerospace CAD Design
- Engineering Automation
- Parametric Modelling
- Nozzle Geometry Optimisation
Initial engineering input parameters used for automated nozzle generation workflow.
SolidWorks API and VBA automation logic used for geometry creation and engineering workflow optimisation.
Mathematical formulation and engineering calculations supporting converging-diverging nozzle geometry generation.
Generated propulsion nozzle geometry and BIM-integrated CAD outputs produced through automated workflow execution.
Error handling and validation systems implemented to improve workflow robustness and engineering reliability.
Final converging-diverging nozzle configuration generated using the automated CAD workflow system.
The automation workflow successfully reduced manual CAD modelling effort while improving geometry consistency and accelerating propulsion system generation.
Key findings include:
- Faster propulsion nozzle modelling workflow
- Reduced repetitive CAD operations
- Improved engineering repeatability
- Automated parametric geometry control
- Improved workflow efficiency through API automation
- Enhanced engineering consistency and modelling accuracy
The project demonstrates the effectiveness of CAD automation methodologies within aerospace propulsion system design workflows.
Potential future developments include:
- CFD integration workflows
- thermal analysis integration
- AI-assisted geometry optimisation
- automated simulation pipelines
- cloud-based engineering automation
Varun Saini
Aerospace Engineering Graduate
Preston, United Kingdom