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Uncertainty Quantification and Global Sensitivity Analysis of a Lagrangian Acoustical-meteorological Coupled Simulation

Juliust, Hessel (2022) Uncertainty Quantification and Global Sensitivity Analysis of a Lagrangian Acoustical-meteorological Coupled Simulation. Magisterarbeit, Technical University of Munich (TUM).

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Abstract

This study focuses on the methods of Monte Carlo and the generalized polynomial chaos expansion, both of which make it possible to obtain the first statistical moment and the Sobol' sensitivity indices for uncertainty and sensitivity analysis, respectively. These methods are applied to acoustical-meteorological simulations with several hill topographies and also with several variations of meteorological parameters. The results are compared and it is observed that both methods can be applied. The generalized polynomial chaos expansion method produces similar results to the Monte Carlo method but with lower computational costs. The results also show the same pattern as other studies on the meteorological effects on sound propagation for specific test cases.

Item URL in elib:https://elib.dlr.de/190969/
Document Type:Thesis (Magisterarbeit)
Additional Information:Betreuung der TUM: Univ.-Prof. Dr. Hans-Joachim Bungartz
Title:Uncertainty Quantification and Global Sensitivity Analysis of a Lagrangian Acoustical-meteorological Coupled Simulation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Juliust, HesselDLR, IPAUNSPECIFIEDUNSPECIFIED
Date:October 2022
Refereed publication:No
Open Access:Yes
Number of Pages:64
Status:Published
Keywords:Akustik, Meteorologie, Unsicherheit, Monte Carlo, Simulation
Institution:Technical University of Munich (TUM)
Department:Computational Science and Engineering (International Master's Program)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Energie und Verkehr (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Transport Meteorology
Deposited By: Schady, Dr. Arthur
Deposited On:28 Nov 2022 08:42
Last Modified:28 Nov 2022 08:42

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