Future Directions in Aircraft Modelling, presented at DiPaRT Ground Dynamics Workshop Bristol, 27 November 2013 by Dominic J Diston, Stirling Dynamics.

1. Future Directions in Aircraft Modelling
DiPaRT Ground Dynamics Workshop
Bristol | 27 November 2013
Dominic J Diston
Principal Systems Engineer
Modelling and Simulation

2. © Stirling Dynamics 20131
Overview
• Introduction to Stirling Dynamics
• General overview of modelling and simulation
• Our approach to physical system modelling
• Whole aircraft simulation
• Priorities for ground dynamics and related systems
• Our view of the future

3. © Stirling Dynamics 20132
Our business
Diverse interests
• Specialist engineering and design services
• Serving aerospace, space, marine, energy sectors
• Mechatronic systems
• 25 year trading history
• US and UK bases

4. © Stirling Dynamics 20133
Modelling and Simulation
Stirling and Airbus are joint recipients of the
Wright Brothers Medal from SAE International
for their conference paper entitled
“Mathematical Model of Water Contamination in Aircraft Fuel Tanks”
DOI: 10.4271/2011-01-2540
Diverse applications
• Focus on Dynamics and Control
• Physics-based modelling
• Highly-detailed system representations
• Multi-system simulations
• Experience in CFD, FEM and MBD
• Application to aircraft, rotorcraft and submarines
Vehicle Dynamics
Aerodynamics and Hydrodynamics
Structures, Loads & Aeroelasticity
Multi-Body Dynamics
Hydraulics and Actuation
Guidance and Control Systems
Ballast and Depth Control Systems
Fuel, Power and Thermal Systems
Aircraft Landing Gear
Electro-Mechanical Equipment

5. © Stirling Dynamics 20134
Physical System Modelling
AREAS OF INTEREST
• Vehicle Dynamics
• Geometry
• Continuum Mechanics
• System Architecture
• Subsystem Modelling
• Control
• Environments
AREAS OF DEVELOPMENT
• MATLAB/SIMULINK
• Multi-Body Dynamics
• Bond Graph Modelling
• Multi-System Dynamics
• Multivariable Control
• Nonlinear Processes
• Uniform/Scalable Process

6. © Stirling Dynamics 20135
System Engineering Priorities for Ground Dynamics
From Practitioners
• Aircraft Operation
• How aircraft are operated
• Performance Degradation
• Systems
• Hydraulics
• Control
• Performance Variability
• Tyres, Steering and Brakes
• Structures
• Materials
• Assessment
• Ground profiles

7. © Stirling Dynamics 20136
System Engineering Priorities for Ground Dynamics
From Simulation Specialists
• Co-simulation
• Combining detailed systems representations
• Integrated dynamics and control
• functional diversity
• model granularity
• Nonlinear Dynamics
• Friction and stiction
• Thermal effects
• Material Properties
• Dynamic boundary conditions
• Future Tools
• Beyond SIMULINK !!

8. © Stirling Dynamics 20137
Motion
Mechanisms
Actuation
Fuel System
Thermal Systems
Power Systems
Structure
Aerodynamics
ENGINE
Whole Aircraft Modelling

9. © Stirling Dynamics 20138
Motion
Mechanisms
ENGINE
Actuation
Fuel System
Thermal Systems
Power Systems
Structure
Aerodynamics
Example: Aeroservoelastic Integration

10. © Stirling Dynamics 20139
Motion
Mechanisms
ENGINE
Actuation
Fuel System
Thermal Systems
Power Systems
Structure
Aerodynamics
Example: Vehicle System Integration

11. © Stirling Dynamics 201310
Talking Points
AREAS OF DISCUSSION
• How to provide appropriate support to primes
• Effective engagement with universities
• Where to invest in knowledge
• What tools will be required
• How can we measure progress
• What should happen next

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© Stirling Dynamics 2013