Now showing items 11-20 of 112
High-fidelity Aerostructural Optimization of Flexible Wings with Flutter Constraints
(2020)
High-fidelity optimization of aircraft has the potential to produce more efficient designs and to further reduce the risk of late design changes. For the optimization to generate a useful design, all the relevant constraints ...
Aerodynamic Shape Optimization of Heat Exchangers
(2023)
The development of efficient methods to reject waste heat has been instrumental throughout aircraft design history.
In current airliners heat exchangers cool the cabin air, avionics, and engine oil.
As the aviation industry ...
Design of Robotically Manufactured Composites for Optimal Structural Performance, Incorporating Manufacturing Constraints
(2021)
Robotic manufacturing of composites has revolutionized the aerospace industry. Traditional manufacturing of carbon fiber composite laminates involved manual hand lay-up of resin pre-impregnated sheets (prepregs) of pristine ...
Generalizable Data-driven Model Augmentations Using Learning and Inference assisted by Feature-space Engineering
(2022)
In many practical applications – such as in turbulent flows – affordable models are often found to be lacking in predictive accuracy, thus limiting the impact of computer-driven analysis, design, and optimization. While ...
Electromagnetic Energy Transport Through Complex Media
(2021)
Electromagnetic waves are used in two distinct ways, to transmit information and to carry energy. For aerospace applications, the use of optical methods is excellent for making high fidelity measurements. High temperature ...
Robust Methods for Aeropropulsive Design Optimization
(2021)
Design and integration of advanced propulsion systems play a critical role in the development of environmentally sustainable aircraft. Even though these advanced technologies, such as boundary layer ingestion, offer ...
Thermal and Structural Response Modeling of a Woven Thermal Protection System
(2021)
NASA’s future missions include destinations such as Venus, Saturn, and Jupiter,
where the heat-intensive environments experienced during atmospheric entry by vehicles or probes often exceed the capability of conventional ...
UAS Contingency Management Autonomy with Experimentally Validated Models
(2022)
Uncrewed Aerial Systems (UAS) are increasingly deployed for surveillance and transport applications. However, their safety and performance are significant concerns. This dissertation develops a risk-aware autonomy architecture ...
Advancements in Adversarially-Resilient Consensus and Safety-Critical Control for Multi-Agent Networks
(2021)
The capabilities of and demand for complex autonomous multi-agent systems, including networks of unmanned aerial vehicles and mobile robots, are rapidly increasing in both research and industry settings. As the size and ...
Towards a New-generation Numerical Scheme for the Compressible Navier-Stokes Equations With the Active Flux Method
(2021)
Taking underlying physics into consideration is essential in the design of numerical schemes for fluid dynamics simulations. The Active Flux (AF) method is a novel class of fully-discrete numerical schemes that aim to truly ...