SimGen Rapid aerodynamic prediction tool for UAV flight model development and concepual design

1. SimGenRapid aerodynamic prediction tool for UAV flight model development and concepual design

2. SimGen Development • Requirement: • Need to rapidly assess the viability of conceptual designs • Need for rapid, low-cost flight models • SimGen Development: • Initial development conducted under an Air Force SBIR • Final product completed using IRAD funds

3. SimGen Product SimGen is a rapid aerodynamic prediction tool for flight model development and conceptual design. SimGen uses industry-accepted computational and prediction & analysis codes to enable you to quickly compute aerodynamic data for use in simulation flight models or design efforts.

4. ä ä SimGen SimGen Aircraft Aircraft Draw it….. Draw it….. Sketch Sketch Rapid ….Fly it. Rapid ….Fly it. Simulation Done. Simulation Done. Development Development Geometry Model Geometry Model Tool Tool Data Scaling Vortex Lattice Computational Propulsion Computational Propulsion Detailed Non - Linear Semi - Empirical Semi - Empirical Aerodynamics Code Modeling Aerodynamics Code Modeling Component Vortex Lattice Methods Methods Models Aerodynamics Propulsion Aerodynamics Propulsion Database Database Database Database Six DOF Six DOF Simulation Simulation SimGen - Features

5. SimGen - Features • Incorporates geometry components for quickly tracing 3-views of an aircraft. • Interfaces to industry-accepted computational and semi-empirical aerodynamic prediction and analysis codes • Currently supports HASC2002 and Missile DATCOM • Auto-executes the aerodynamics code and post-processes the data into simulation data tables • Incorporates propulsion model generation capability for HASC module, supporting turbofan (high, med, low bypass) and small turbojet engines. • Modular software design structure accommodates future modules for generating simulation math model components (aero, propulsion, flight controls, etc.) • Supports export of aerodynamics tables to DSix project structure code for rapid simulation development

6. SimGen - Process Drawing Component Methods (HASC, MDATCOM) Aero & Propulsion Data Tables

7. SimGen - Process • Import the aircraft 3-view drawings • Use SimGen’s drawing components to “trace” the aircraft geometry • Process the geometry model • Assign airfoil types, twist, control surface range of motion, etc • Define Alpha, Beta, Mach schedules • Assign engine types, number, scale, etc. • Execute the computational method • Generate data tables!

8. SimGen - Applications • Easily perform aero and flight dynamics trade-offs in configuration design studies. • Produce a baseline simulation of your aircraft that is ready for augmentation with wind tunnel data • Generate predictive flight models for various simulation purposes (e.g., battlespace scenarios) • Generate rapid predictions of configuration change effects such as store addition or surface loss.

9. SimGen - Benefits • Rapid, GUI-based iterative design tool • Uses industry-accepted computational methods • Provides flying qualities assessment of novel aircraft configurations • Significantly reduces time from required for configuration evaluation • Available now

10. SimGen