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Reliability-based Design Optimization of Multiphysics, Aerospace Systems

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Release : 2004
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Kind : eBook
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Book Synopsis Reliability-based Design Optimization of Multiphysics, Aerospace Systems by : Matthew R. Allen

Download or read book Reliability-based Design Optimization of Multiphysics, Aerospace Systems written by Matthew R. Allen. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt:

Aerospace System Analysis and Optimization in Uncertainty

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Release : 2020-08-26
Genre : Mathematics
Kind : eBook
Book Rating : 264/5 ( reviews)

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Book Synopsis Aerospace System Analysis and Optimization in Uncertainty by : Loïc Brevault

Download or read book Aerospace System Analysis and Optimization in Uncertainty written by Loïc Brevault. This book was released on 2020-08-26. Available in PDF, EPUB and Kindle. Book excerpt: Spotlighting the field of Multidisciplinary Design Optimization (MDO), this book illustrates and implements state-of-the-art methodologies within the complex process of aerospace system design under uncertainties. The book provides approaches to integrating a multitude of components and constraints with the ultimate goal of reducing design cycles. Insights on a vast assortment of problems are provided, including discipline modeling, sensitivity analysis, uncertainty propagation, reliability analysis, and global multidisciplinary optimization. The extensive range of topics covered include areas of current open research. This Work is destined to become a fundamental reference for aerospace systems engineers, researchers, as well as for practitioners and engineers working in areas of optimization and uncertainty. Part I is largely comprised of fundamentals. Part II presents methodologies for single discipline problems with a review of existing uncertainty propagation, reliability analysis, and optimization techniques. Part III is dedicated to the uncertainty-based MDO and related issues. Part IV deals with three MDO related issues: the multifidelity, the multi-objective optimization and the mixed continuous/discrete optimization and Part V is devoted to test cases for aerospace vehicle design.

Reliability-based Multidisciplinary Optimization for Aerospace Systems

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Release : 2001
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Kind : eBook
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Book Synopsis Reliability-based Multidisciplinary Optimization for Aerospace Systems by : Robert H. Sues

Download or read book Reliability-based Multidisciplinary Optimization for Aerospace Systems written by Robert H. Sues. This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt:

Non-Deterministic Metamodeling for Multidisciplinary Design Optimization of Aircraft Systems Under Uncertainty

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Release : 2019
Genre : Airframes
Kind : eBook
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Book Synopsis Non-Deterministic Metamodeling for Multidisciplinary Design Optimization of Aircraft Systems Under Uncertainty by : Daniel L. Clark (Jr.)

Download or read book Non-Deterministic Metamodeling for Multidisciplinary Design Optimization of Aircraft Systems Under Uncertainty written by Daniel L. Clark (Jr.). This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt: To make coupled multi-physics-informed design decisions, multidisciplinary analysis, design optimization and uncertainty quantification must be present to accurately represent the full system under investigation. Unfortunately, all of these processes are computationally demanding, requiring a large number of system evaluations with identified uncertain variables, and iterative system evaluations with respect to the design variables of interest. Surrogate or metamodels are used to alleviate the computational burden in both these design exploration activities by trading accuracy with efficiency. The primary objective of this dissertation is to develop a flexible surrogate modeling technique capable of quantifying the uncertainty of multidisciplinary systems in an iterative and efficient procedure.In this work, the Non-Deterministic Kriging (NDK) method is derived. This surrogate model represents a flexible approach for approximating epistemic and aleatory uncertainty. To achieve an iterative and efficient computational framework additional tasks were established: (1) characterize and develop a unified stochastic process incorporating incomplete and mixed uncertainty data; (2) develop a novel adaptive sampling method that effectively and efficiently updates the NDK model to enable a global multidisciplinary design optimization technique under uncertainty; (3) derive analytic sensitivities to achieve non-deterministic sensitivities with respect to the design variables; (4) propose an efficient reliability-based design optimization framework for multidisciplinary systems using NDK to reduce the design space.

Reliability Analysis of Dynamic Systems

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Release : 2013-06-19
Genre : Technology & Engineering
Kind : eBook
Book Rating : 390/5 ( reviews)

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Book Synopsis Reliability Analysis of Dynamic Systems by : Bin Wu

Download or read book Reliability Analysis of Dynamic Systems written by Bin Wu. This book was released on 2013-06-19. Available in PDF, EPUB and Kindle. Book excerpt: Featuring aerospace examples and applications, Reliability Analysis of Dynamic Systems presents the very latest probabilistic techniques for accurate and efficient dynamic system reliability analysis. While other books cover more broadly the reliability techniques and challenges related to large systems, Dr Bin Wu presents a focused discussion of new methods particularly relevant to the reliability analysis of large aerospace systems under harmonic loads in the low frequency range. Developed and written to help you respond to challenges such as non-linearity of the failure surface, intensive computational costs and complexity in your dynamic system, Reliability Analysis of Dynamic Systems is a specific, detailed and application-focused reference for engineers, researchers and graduate students looking for the latest modeling solutions. The Shanghai Jiao Tong University Press Aerospace Series publishes titles that cover the latest advances in research and development in aerospace. Its scope includes theoretical studies, design methods, and real-world implementations and applications. The readership for the series is broad, reflecting the wide range of aerospace interest and application, but focuses on engineering. Forthcoming titles in the Shanghai Jiao Tong University Press Aerospace Series: Reliability Analysis of Dynamic Systems • Wake Vortex Control • Aeroacoustics: Fundamentals and Applications in Aeropropulsion Systems • Computational Intelligence in Aerospace Design • Unsteady Flow and Aeroelasticity in Turbomachinery Authored by a leading figure in Chinese aerospace with 20 years’ professional experience in reliability analysis and engineering simulation. Offers solutions to the challenges of non-linearity, intensive computational cost and complexity in reliability assessment. Aerospace applications and examples used throughout to illustrate accuracy and efficiency achieved with new methods.

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