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  • Topological Design Considering Uncertainty and Hyperelasticity

    Creator:
    Pham, Trung
    Abstract:
    Topology optimization (TO) is a mathematical method to find the optimal size, shape and connectivity of a domain under specified conditions, and has had many applications in engineering design. However, challenges remain in realizing TO as an effective design tool for many design situations. Uncertainty is ubiquitous in nature and...
    Resource Type:
    Dissertation
    Full Text:
    Design Considering Uncertainty and Hyperelasticity Abstract approved: Christopher Hoyle Topology

  • Resilient Design for Complex Engineered Systems in the Early Design Phase

    Creator:
    Keshavarzi, Elham
    Abstract:
    There are many uncertainties that complex engineered systems will face throughout their lifecycles due to changes in internal and external conditions. It is desirable for complex engineered systems to be resilient against various uncertainties. The ability to overcome such uncertainties should be embedded into the system from the beginning. However,...
    Resource Type:
    Dissertation
    Full Text:
    approved: ______________________________________________________ Christopher Hoyle There are

  • Aircraft wing optimization using B-spline models and panel methods

    Creator:
    Jackson, Danielle Monique
    Abstract:
    This research investigates shape optimization process, using b-spline models and panel methods, to achieve a high lift to drag ratio for an aerodynamic structure. This research is a proof of concept for further research in aerodynamic shape optimization. The coupled process, involving the design and optimization of a random shape,...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Christopher Hoyle This research investigates shape optimization process, using b-spline

  • Bi-level flexible-robust optimization for energy allocation problems

    Creator:
    Biswas, Arpan
    Abstract:
    A common problem in energy allocation problems is managing the trade-off between selling surplus energy to maximize short term revenue, versus holding surplus energy to hedge against future shortfalls. For energy allocation problems, this surplus represents resource flexibility and is quantified as the surplus energy after meeting the demand. The...
    Resource Type:
    Masters Thesis
    Full Text:
    . Christopher Hoyle for showing such faith in me to work with him and guiding me to complete my thesis

  • From Functional Modeling to Optimization : Risk and Safety in the Design Process for Large-Scale Systems

    Creator:
    McIntire, Matthew G.
    Abstract:
    In order to more effectively design large, complex systems, risk must be accounted for throughout the design process. A systematic way to account for risk is by using system model simulation. During the conceptual design phase, functional models can be drawn to help the engineer design their system's functional architecture....
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Christopher Hoyle In order to more effectively design large, complex systems, risk

  • Hybrid Statistical and Engineering Optimization Architectures in Early Multidisciplinary Designs of Resilience and Expensive Black-box Complex Systems

    Creator:
    Biswas, Arpan
    Abstract:
    Practical engineering design problems are generally multi-disciplinary with limited budget and high risk in terms of life loss, economic resources, etc. In the early phase of such problems, selection of true efficient designs is desired while minimizing overall design cost by avoiding expensive search processes. However, the task is difficult...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Christopher Hoyle Practical engineering design problems are generally multi-disciplinary

  • A Computational Framework for Resilience-Informed Design

    Creator:
    Hulse, Daniel E.
    Abstract:
    It is desirable for complex engineered systems to perform missions efficiently and economically, even when these missions' complex, variable, long-term operational profiles make it likely for hazards to arise. It is thus important to design these systems to be resilient so that they will actively prevent and recover from hazards...
    Resource Type:
    Dissertation
    Full Text:
    Computational Framework for Resilience-Informed Design Abstract approved: Irem Y. Tumer Christopher Hoyle It

  • Applications of Bayesian Optimization and Classification Surrogate Modeling to User-Guided Design

    Creator:
    Jetton, Cole M.
    Abstract:
    In engineering problems not all constraints can be explicitly written as mathematical functions. There needs to be a way integrate designer knowledge into the design process and preferably use that to guide an optimization problem. In this thesis, these constraints are modelled using classification surrogate models and integrated with Bayesian...
    Resource Type:
    Masters Thesis
    Full Text:
    optimization. Finally, I would also like to thank my advisors, Dr. Christopher Hoyle, and Dr. Matthew

  • Applying Multi-Objective Evaluation to Automated Assembly Planning in Early CAD Design Stage

    Creator:
    Huang, Weifeng
    Abstract:
    Successfully predicting an accurate estimated cost is important in the assembly planning process. When designing an assembly plan, an accurate estimation ensures that the proposed plan can be achieved within the predetermined budget. However, achieving an accurate prediction is a challenge since it requires professional judgment, which is dependent upon...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: ______________________________________________________ Christopher Hoyle