Our next installment of
#ThesisThursday highlights the cutting-edge research of Everett Botwinick '26!
Working with Professor Adrian S. Onas, Everett is pushing the boundaries of modern high-performance marine design. His
#thesis, "An Optimization Study of a Hydrofoil of Varying Geometric Twist Using CAESES and Star-CCM ," focuses on maximizing efficiency for the next generation of foiling vessels, inspired by the ultra-fast lifting foils seen on foiling sailboats like the Moth.
The
#Project:
Everett developed an automated engineering pipeline to optimize a hydrofoil's geometric twist. By linking the optimization software CAESES directly to the computational fluid dynamics (CFD) program Star-CCM , he was able to automatically test and refine dozens of foil variations.
To create the perfect twist distribution, Everett manipulated four key design variables:
- Angle of Attack at the wing root
- Angle of Attack at the wing tip
- Sweep
- Wingspan
The
#Results:
After conducting a massive design study of 50 different wing shapes, Everett ran a refined optimization algorithm to perfect the top design. The target was simple: match the lift of the baseline foil while maximizing efficiency.
The final, optimized hydrofoil achieved a staggering 89.53% increase in the lift-to-drag ratio over the baseline, resulting in a much smoother, more refined lift distribution. Ultimately, the study confirmed a classic rule of foil theory: wingspan remains the biggest driver in boosting lift-to-drag efficiency!
Great job, Everett!
#WebbInstitute #ThesisThursday #NavalArchitecture #MarineEngineering #Hydrofoils #CFD #StarCCM #CAESES #SailboatDesign #Shipping #Boats #Ships