Seunghyun Joo

Seunghyun Joo

Research Associate at Seoul National University | Looking for a PhD position

Integrated M&S Framework for Next-Gen High-Speed Rotorcraft

🔍 Project Overview: Integrated M&S Development

This project aims to secure an integrated Modeling & Simulation (M&S) environment required for the development of next-generation high-speed, long-range rotorcraft. The focus was on building a high-performance computational framework and specialized analysis modules for unconventional rotorcraft configurations.

Project Information

  • Funding Scale: $5M Program
  • Sector: Defense Aerospace
  • Role: M&S Framework & Aerodynamic Module Development

⚠️ Confidentiality Notice
This project was conducted under defense-related security constraints.
Therefore, detailed numerical results, system-level performance data, and optimization outputs are intentionally omitted.
This page presents only the validation results of the coaxial rotor aerodynamic module for demonstration purposes.

🛠️ Key Technical Contributions

1. High-Performance Python-C++ Interface & Wrapper

  • Motivation: Overcoming the computational overhead of pure Python while maintaining its high versatility and intuitive structure.
  • Implementation: Developed a C++ based aerodynamic analysis core and integrated it with Python via a custom Interface and Wrapper.
  • Efficiency: Achieved high-speed computational performance while preserving an object-oriented modeling environment, enabling rapid design iterations.

2. Coaxial Rotor Aerodynamic Module (RISPECT III)

  • Module Development: Developed and validated a Coaxial Blade Element Theory (BET) aerodynamic module within the RISPECT III module in AMADEVS framework.
  • Validation: Verified the analysis accuracy by comparing results with XH-59A flight test data and other established codes (e.g., RCAS).

3. Sizing & Multidisciplinary Optimization

  • Configuration Comparison: Conducted sizing and optimization for candidate platforms, specifically comparing Tilt-Rotor and Coaxial-Pusher configurations.
  • Mission-based Analysis: Performed performance evaluations under various operational scenarios, including High-speed Infiltration (Scenario A) and Medical Evacuation (Scenario B).
  • Weight & Power Analysis: Derived trade-offs between required power, fuel consumption, and group weight (structure, propulsion, etc.) for each configuration.

🧪 Technical Skills Demonstrated

  • Languages: Python, C++
  • Techniques: Python-C++ Wrapping, Object-Oriented Programming (OOP)
  • Aerodynamics: Blade Element Theory (BET), Coaxial Rotor Dynamics