Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 135 for “"multidisciplinary design optimization"”.
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Financial analysis in multidisciplinary design optimization
… across multiple disciplines and find the ideal design which maximizes benefit to the company and society. Given the complexity of working with multiple disciplines and stakeholders, it is important to have a single metric which teams and organizations can use to choose the best design. Since …
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Multidisciplinary design optimization of part geometry in CAD
Multidisciplinary design optimization (MDO) is the process of searching for designs which best satisfy a set of objectives, while respecting that the appropriateness of a design is dependent on more than just a single discipline. Traditionally, MDO has been conducted on a higher system level where …
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Multidisciplinary Design Optimization of Low-Noise Transport Aircraft
… objective of this research is to examine how to design low-noise transport aircraft using Multidisciplinary Design Optimization (MDO). The subject is approached by designing for low-noise both implicitly and explicitly. The explicit design approach involves optimizing an aircraft while explicitly …
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Surrogate Models for Transonic Aerodynamics for Multidisciplinary Design Optimization
Multidisciplinary design optimization (MDO) requires many designs to be evaluated while searching for an optimum. As a result, the calculations done to evaluate the designs must be quick and simple to have a reasonable turn-around time. This makes aerodynamic calculations in the transonic regime …
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Multidisciplinary Design Optimization of a Strut-Braced Wing Aircraft
The objective of this study is to use Multidisciplinary Design Optimization (MDO) to investigate the use of truss-braced wing concepts in concert with other advanced technologies to obtain a significant improvement in the performance of transonic transport aircraft. The truss topology introduces …
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Multidisciplinary Design Optimization of an Extreme Aspect Ratio HALE UAV
ABSTRACT Multidisciplinary Design Optimization of an Extreme Aspect Ratio HALE UAV Bryan J. Morrisey Development of High Altitude Long Endurance (HALE) aircraft systems is part of a vision for a low cost communications/surveillance capability. Applications of a multi payload aircraft operating for …
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Multidisciplinary design optimization of dynamic systems using surrogate modeling approach
… for efficient solution of multi-disciplinary design optimization (MDO) of dynamic systems. Many of the MDO problems in dynamic systems design often involve computationally expensive system simulations, severely limiting their design optimization. This work demonstrates a novel method which …
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A case study of multidisciplinary design optimization implementation process management
Multidisciplinary Design Optimization (MDO) has been developed in the last decades in the aircraft industry with the aim of optimizing complex products while cutting costs and product development time. Despite this, MDO still has not propagated through industry to become common practice. There are …
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Algorithmic Modifications to a Multidisciplinary Design Optimization Model of Containerships
When designing a ship, a designer often begins with "an idea" of what the ship might look like and what specifications the ship should meet. The multidisciplinary design optimization model is a tool that combines an analysis and an optimization process and uses a measure of merit to obtain what it …
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Design coupling analysis in multidisciplinary design optimization and control co-design
The design of complex engineering systems involves multiple interconnected, or coupled, disciplines. The relationships between these disciplines are not always well-known, especially for emerging technologies. Optimizing these systems can be a challenging task, especially if the designer has …
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Multidisciplinary design optimization of an eVTOL aircraft using analytical target cascading
This thesis aims to develop a multidisciplinary design optimization framework for the design of complex multidomain system-of-systems. Analytical Target Cascading (ATC) is a design approach for establishing system-level consistency across independently designed subcomponents via coupled analysis …
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EBF3GLWingOpt: A Framework for Multidisciplinary Design Optimization of Wings Using SpaRibs
A global/local framework for multidisciplinary optimization of generalized aircraft wing structure has been developed. The concept of curvilinear stiffening members (spars, ribs and stiffeners) has been applied in the optimization of a wing structure. A global wing optimization framework …
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Physically-based, real-time visualization and constraint analysis in multidisciplinary design optimization
… a valuable part of the engineering process, multidisciplinary design optimization (MDO) has become a popular approach for the design of complex engineering systems. MDO has had considerable impact by improving the performance, lowering the lifecycle cost and shortening product design time for …
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Aeroelastic Analysis of Truss-Braced Wing Aircraft: Applications for Multidisciplinary Design Optimization
… very flexible truss-braced wing (TBW) aircraft designs obtained through a multidisciplinary design optimization (MDO) framework. Several improvements to previous analysis methods were developed and validated. Firstly, a flutter constraint was developed and the effects of the constraint on the …
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The Multidisciplinary Design Optimization of a Distributed Propulsion Blended-Wing-Body Aircraft
The purpose of this study is to examine the multidisciplinary design optimization (MDO) of a distributed propulsion blended-wing-body (BWB) aircraft. The BWB is a hybrid shape resembling a flying wing, placing the payload in the inboard sections of the wing. The distributed propulsion concept …
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Multidisciplinary Design Optimization of Composite Spacecraft Structures using Lamination Parameters and Integer Programming
The digital transformation of engineering design processes is essential for the aerospace industry to remain competitive in the global market. Multidisciplinary design optimization (MDO) frameworks play a crucial role in this transformation by integrating various engineering disciplines and …
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Multidisciplinary Design Optimization of Subsonic Fixed-Wing Unmanned Aerial Vehicles Projected Through 2025
Through this research, a robust aircraft design methodology is developed for analysis and optimization of the Air Vehicle (AV) segment of Unmanned Aerial Vehicle (UAV) systems. The analysis functionality of the AV design is integrated with a Genetic Algorithm (GA) to form an integrated …
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Integrated Multidisciplinary Design Optimization Using Discrete Sensitivity Analysis for Geometrically Complex Aeroelastic Configurations
… two steps in the development of an integrated multidisciplinary design optimization procedure capable of analyzing the nonlinear fluid flow about geometrically complex aeroelastic configurations have been accomplished in the present work. For the first step, a three-dimensional unstructured …
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Multidisciplinary Design Optimization of a Medium Range Transonic Truss-Braced Wing Transport Aircraft
This study utilizes Multidisciplinary Design Optimization (MDO) techniques to explore the effectiveness of the truss-braced (TBW) and strut-braced (SBW) wing configurations in enhancing the performance of medium range, transonic transport aircraft. The truss and strut-braced wing concepts synergize …
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A multiobjective, multidisciplinary design optimization methodology for the conceptual design of distributed satellite systems
A multiobjective, multidisciplinary design optimization methodology for mathematically modeling the distributed satellite system (DSS) conceptual design problem as an optimization problem has been developed to advance the state-of-the-art in complex distributed satellite network design. An …
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