Academic literature on the topic 'Morris sensitivity method'

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Journal articles on the topic "Morris sensitivity method"

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Xie, Jian, Dong Cheng, Shuli Chang, and Pengtao Li. "Sensitivity analysis of underwater launch based on Morris method." E3S Web of Conferences 528 (2024): 02012. http://dx.doi.org/10.1051/e3sconf/202452802012.

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The discharge velocity, pressure difference and acceleration of underwater launch performance are affected by many factors, including depth, sailing speed, burning rate, water temperature, density and other operating parameters. The existing underwater launch sensitivity analysis is a local sensitivity qualitative analysis based on single-step perturbation analysis, which can only investigate the influence of a single uncertain factor on the model results in a small range. In this paper, based on the underwater launch model under multi-factor coupling, 10 input parameters were selected to calc
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Pannier, Marie-Lise, Patrick Schalbart, and Bruno Peuportier. "Computationally efficient sensitivity analysis for building ecodesign with many-level categorical input factors." International Journal of Metrology and Quality Engineering 14 (2023): 15. http://dx.doi.org/10.1051/ijmqe/2023016.

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Dynamic building energy simulation and life cycle assessment (LCA) are useful ecodesign tools to mitigate the energy and environmental impacts of buildings. Various uncertain factors can affect the building energy and environmental modelling, including continuous and categorical factors (i.e., discrete factors without logical ranking). Sensitivity analysis (SA) is applied to identify the most influential factors on which additional research efforts are needed to increase the robustness of results. The Sobol method (Sobol) is the reference SA method, but it requires a significant amount of comp
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Xu, Y., and A. E. Mynett. "Application of uncertainty and sensitivity analysis in river basin management." Water Science and Technology 53, no. 1 (2006): 41–49. http://dx.doi.org/10.2166/wst.2006.006.

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Considering uncertainty in the decision-making process in river basin management is important because uncertainty is regarded as one of the main obstacles to sound decision-making. In case of high uncertainty, the risks of making a wrong decision could be quite high, which may have severe consequences. This paper applies a screening sensitivity analysis method, the Morris method, to investigate the propagation of uncertainty from factors in a flood damage model into the model outputs and explores the importance of factors based on the sensitivity analysis. Uncertainty reduction in the most inf
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Herman, J. D., J. B. Kollat, P. M. Reed, and T. Wagener. "Technical Note: Method of Morris effectively reduces the computational demands of global sensitivity analysis for distributed watershed models." Hydrology and Earth System Sciences 17, no. 7 (2013): 2893–903. http://dx.doi.org/10.5194/hess-17-2893-2013.

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Abstract. The increase in spatially distributed hydrologic modeling warrants a corresponding increase in diagnostic methods capable of analyzing complex models with large numbers of parameters. Sobol' sensitivity analysis has proven to be a valuable tool for diagnostic analyses of hydrologic models. However, for many spatially distributed models, the Sobol' method requires a prohibitive number of model evaluations to reliably decompose output variance across the full set of parameters. We investigate the potential of the method of Morris, a screening-based sensitivity approach, to provide resu
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Herman, J. D., J. B. Kollat, P. M. Reed, and T. Wagener. "Technical note: Method of Morris effectively reduces the computational demands of global sensitivity analysis for distributed watershed models." Hydrology and Earth System Sciences Discussions 10, no. 4 (2013): 4275–99. http://dx.doi.org/10.5194/hessd-10-4275-2013.

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Abstract. The increase in spatially distributed hydrologic modeling warrants a corresponding increase in diagnostic methods capable of analyzing complex models with large numbers of parameters. Sobol' sensitivity analysis has proven to be a valuable tool for diagnostic analyses of hydrologic models. However, for many spatially distributed models, the Sobol' method requires a prohibitive number of model evaluations to reliably decompose output variance across the full set of parameters. We investigate the potential of the method of Morris, a screening-based sensitivity approach, to provide resu
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Huang, Yongtai, and Don Pierson. "Identifying parameter sensitivity in a water quality model of a reservoir." Water Quality Research Journal 47, no. 3-4 (2012): 451–62. http://dx.doi.org/10.2166/wqrjc.2012.116.

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Sensitivity analysis can provide useful insights into how a model responds to the variations in its parameter values (i.e. coefficients). The results can be very helpful for model calibration, refinement and application. A one-dimensional model has been set up to simulate the hydrothermal and water quality conditions of Cannonsville Reservoir, which provides water supply for New York City. This paper aims at identifying the most influential parameters in the model through sensitivity analysis. Firstly, the Morris method (a screening method) is used to identify influential parameters. It is fou
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Brockmann, D., and E. Morgenroth. "Comparing global sensitivity analysis for a biofilm model for two-step nitrification using the qualitative screening method of Morris or the quantitative variance-based Fourier Amplitude Sensitivity Test (FAST)." Water Science and Technology 56, no. 8 (2007): 85–93. http://dx.doi.org/10.2166/wst.2007.600.

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Two different methods for global sensitivity analysis were compared exemplarily for a biofilm model for two-step nitrification. Especially for biofilm models, local sensitivity analysis is not very useful as parameters can vary over a large range. Parameters that were evaluated included kinetic and stoichiometric parameters, and also biofilm parameters, such as internal and external mass transfer, the biofilm thickness, and the biomass density. Global sensitivity analyses were performed for a range of operating conditions of a biofilm reactor. The results of the qualitative screening method of
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Specka, Xenia, Claas Nendel, and Ralf Wieland. "Temporal Sensitivity Analysis of the MONICA Model: Application of Two Global Approaches to Analyze the Dynamics of Parameter Sensitivity." Agriculture 9, no. 2 (2019): 37. http://dx.doi.org/10.3390/agriculture9020037.

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Sensitivity analysis (SA) is often applied to evaluate the behavior of ecological models in which the integrated soil and crop processes often vary over time. In this study, the time dependence of the parameter sensitivity of a process-based agro-ecosystem model was analyzed for various sites and model outputs. We applied the Morris screening and extended FAST methods by calculating daily sensitivity measures. By analyzing the daily elementary effects using the Morris method, we were able to identify more sensitive parameters compared with the original approach. The temporal extension of the e
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Liu, Jinhao, Jianhua Wu, Yusheng Zhang, and Xinhao Wu. "Sensitivity Analysis of Hydraulic Transient Simulations Based on the MOC in the Gravity Flow." Water 13, no. 23 (2021): 3464. http://dx.doi.org/10.3390/w13233464.

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The purpose of this study was to evaluate the sensitivity of input parameters to output results when using the method of characteristics (MOC) for hydraulic transient simulations. Based on a gravity flow water delivery project, we selected six main parameters that affect the hydraulic transient simulation and selected maximum pressure as the output parameter in order to perform a parameter sensitivity analysis. The Morris sensitivity analysis (Morris) and the partial rank correlation coefficient method based on Latin hypercube sampling (LHS-PRCC) were both adopted. The results show that the se
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Paleari, Livia, Ermes Movedi, Michele Zoli, et al. "Sensitivity analysis using Morris: Just screening or an effective ranking method?" Ecological Modelling 455 (September 2021): 109648. http://dx.doi.org/10.1016/j.ecolmodel.2021.109648.

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Dissertations / Theses on the topic "Morris sensitivity method"

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Sohier, Henri. "Modélisation, analyse et optimisation d’un largage de fusée spatiale depuis un porteur de type avion." Thesis, Toulouse, ISAE, 2014. http://www.theses.fr/2014ESAE0044/document.

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Un système de lancement aéroporté est constitué d'un porteur de type avion larguant un lanceur à une certaine altitude. De tels systèmes sont l'objet d'un intérêt croissant, notamment pour la mise à poste de petits satellites. Les travaux présentés dans cette thèse s'intègrent dans le programme Perseus du CNES qui a déjà donné lieu à la construction d'un modèle réduit appelé EOLE. Il s'agit d'étudier la phase de largage, particulièrement sensible.Les contraintes de similitude pouvant permettre l'étude du largage taille réelle avec EOLE sont d'abord identifiées. Les possibilités d'extrapolation
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Loubiere, Peio. "Amélioration des métaheuristiques d'optimisation à l'aide de l'analyse de sensibilité." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1051/document.

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L'optimisation difficile représente une classe de problèmes dont la résolution ne peut être obtenue par une méthode exacte en un temps polynomial.Trouver une solution en un temps raisonnable oblige à trouver un compromis quant à son exactitude.Les métaheuristiques sont une classe d'algorithmes permettant de résoudre de tels problèmes, de manière générique et efficiente (i.e. trouver une solution satisfaisante selon des critères définis: temps, erreur, etc.).Le premier chapitre de cette thèse est notamment consacré à la description de cette problématique et à l'étude détaillée de deux familles
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Garcia, Sanchez David. "Modélisation de la demande énergétique des bâtiments à l'échelle urbaine : contribution de l'analyse de sensibilité à l'élaboration de modèles flexibles." Phd thesis, Ecole des Mines de Nantes, 2012. http://tel.archives-ouvertes.fr/tel-00800205.

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Pour répondre aux enjeux énergétiques et climatiques, une des échelles d'action pertinentes est désormais celle du quartier ou de la ville. Des besoins de connaissance, d'outils d'aide à la décision et d'évaluation à cette échelle se manifestent de plus en plus. Un des volets concerne la modélisation de la demande d'énergie des bâtiments résidentiels, préalable à la mise en place d'actions de rénovation de l'existant ou à la valorisation de sources d'énergie locales. La diversité de situations de terrains, d'objectifs d'acteurs et de contextes de disponibilité de données incitent à rechercher
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Paleari, L. "IN SILICO IDEOTYPING: DEFINITION AND EVALUATION OF RICE IDEOTYPES IMPROVED FOR RESISTANCE/TOLERANCE TRAITS TO BIOTIC AND ABIOTIC STRESSORS UNDER CLIMATE CHANGE SCENARIOS." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/483333.

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The development of new cultivars better adapted to specific growing conditions is a key strategy to meet an ever-increasing growing global food demand and search for more sustainable cropping systems. This is even more crucial in the context of a changing climate. Ecophysiological models and advanced computational techniques (e.g., sensitivity analysis, SA) represent powerful tools to analyze genotype (G) by environment (E) interactions, thus supporting breeders in identifying key traits for specific agro-environmental contexts. However, limits for the effective use of mathematical models wit
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Robles, Martínez Ángel. "Modelling, simulation and control of the filtration process in a submerged anaerobic membrane bioreactor treating urban wastewater." Doctoral thesis, Editorial Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/34102.

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El reactor anaerobio de membranas sumergidas (SAnMBR) está considerado como tecnología candidata para mejorar la sostenibilidad en el sector de la depuración de aguas residuales, ampliando la aplicabilidad de la biotecnología anaerobia al tratamiento de aguas residuales de baja carga (v.g. agua residual urbana) o a condiciones medioambientales extremas (v.g. bajas temperaturas de operación). Esta tecnología alternativa de tratamiento de aguas residuales es más sostenible que las tecnologías aerobias actuales ya que el agua residual se transforma en una fuente renovable de energía y
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Book chapters on the topic "Morris sensitivity method"

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Lei, Zhen, Tong Zhang, and Yue Fang. "Effectiveness and Optimization of Passive Design for Climate Adaptation in the HSCW Zone—Taking a High-Rise Apartment Retrofit in Philadelphia as an Example." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3433-0_35.

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Abstract For architectural design to actualize climate adaptation, it is essential to optimize building energy efficiency, emission reduction, and passive survivability. However, passive design strategies for building retrofit in the hot summer and cold winter (HSCW) zone are limited in current building energy simulation and optimization (BESO) studies, which have not been widely applied in architectural practice due to the lack of a unified standard. This paper aims to explore the effectiveness and optimization methods of passive design for the typical high-rise apartment retrofit in Philadel
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Spreeuwers, Luuk, Maikel Schils, Raymond Veldhuis, and Una Kelly. "Practical Evaluation of Face Morphing Attack Detection Methods." In Handbook of Digital Face Manipulation and Detection. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87664-7_16.

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AbstractFace morphing is a technique to combine facial images of two (or more) subjects such that the result resembles both subjects. In a morphing attack, this is exploited by, e.g., applying for a passport with the morphed image. Both subjects who contributed to the morphed image can then travel using this passport. Many state-of-the-art face recognition systems are vulnerable to morphing attacks. Morphing attack detection (MAD) methods are developed to mitigate this threat. MAD methods published in literature are often trained on a limited number of or even a single dataset where all morphe
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Sin, Gürkan, and Krist V. Gernaey. "Improving the Morris method for sensitivity analysis by scaling the elementary effects." In Computer Aided Chemical Engineering. Elsevier, 2009. http://dx.doi.org/10.1016/s1570-7946(09)70154-3.

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Roepstorff*, Peter, Michel Jaquinod*, K. laus Neilsent, and Jens S. Anderson*. "Matrix-assisted laser desorption and electrospray ionization mass spectrometry in protein studies: competitive or complementary?" In Applications of Modern Mass Spectrometry in Plant Science Research. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198549659.003.0004.

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Abstract A major breakthrough in the potential for applying mass spectrometry (MS) in protein studies was achieved in the early 1980s by demonstration of the possibility of recording mass spectra of small proteins, e.g. insulin, independently by two different mass spectrometric ionization techniques, i.e. plasma desorption (PD) and fast atom bombardment (FAB) by Hakansson et al. 1982 and Dell and Morris 1982, respectively. These methods were quickly applied to numerous protein studies. In spite of their demonstrated capabilities, the techniques did not gain the expected rapid acceptance in pro
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Kaplan, O., and J. S. Cohen. "Nuclear Magnetic Resonance Spectroscopy Studies of Cancer Cell Metabolism." In Biological NMR Spectroscopy. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195094688.003.0030.

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Nuclear magnetic resonance spectroscopy (NMR) is a powerful technique that provides information on biochemical status and physiological processes both in-vitro and in-vivo. The metabolism of intact cells and tissues can be studied in a continuous manner, and thus, NMR is a unique non-invasive research tool enabling detection of the metabolic changes as they occur (Cohen et al., 1983; Morris, 1988; Daly and Cohen, 1989). The first NMR study of cellular metabolism was done some 20 years ago, when Moon and Richards reported on the diphosphoglyceric acid (DPG) and pH shifts in erythrocytes (Moon,
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Conference papers on the topic "Morris sensitivity method"

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Franczyk, Anna. "APPLICATION OF MORRIS METHOD OF SENSITIVITY ANALYSIS TO FLOOD EMBANKMENT STABILITY MODELLING." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/2.2/s08.011.

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Waqas, Abi, Daniele Melati, and Andrea Melloni. "Stochastic simulation and sensitivity analysis of photonic circuit through Morris and Sobol method." In Optical Fiber Communication Conference. OSA, 2017. http://dx.doi.org/10.1364/ofc.2017.th2a.3.

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Man, Zhiyi, Shaoping Wang, Chao Zhang, and Yun Zhu. "Sensitivity Analysis of Thermal Runaway Side Reaction of Lithium Batteries Based on Morris Method." In 2023 9th International Symposium on System Security, Safety, and Reliability (ISSSR). IEEE, 2023. http://dx.doi.org/10.1109/isssr58837.2023.00069.

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Jiang, Lizhi, Qi Cai, Yongfa Zhang, and Hao Shi. "Screening Key Parameters for Passive System Based on Morris Method." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67646.

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Thermal-hydraulic reliability (TH-R) analysis for passive system requires repeated runs of thermal-hydraulic models or codes to get enough input/output data. Thermal-hydraulic models or codes of passive system are costly in terms of running time which results in slow computational speed and low estimation efficiency. To improve the estimation efficiency, surrogate models (or response surface) can be used to replace the real thermal-hydraulic model. During response surface construction, there are many input parameters, some undetected interactions or nonlinear effects involved in thermal-hydrau
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Liu, Yang, Chad Rollins, Nam Dinh, and Hong Luo. "Sensitivity Analysis of Interfacial Momentum Closure Terms in Two Phase Flow and Boiling Simulations Using MCFD Solver." In ASME 2017 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/ht2017-4963.

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In this paper, a general workflow for the global Sensitivity Analysis (SA) has been proposed based on the coupling of VUQ toolkit DAKOTA and Multiphase Computational Fluid Dynamics (MCFD) solver boilEulerFoam. A surrogate model is first constructed based on sampling simulations from boilEulerFoam. This surrogate is based on Gaussian Processes Model (GPM) and is validated and proved to have good properties. The Morris Screening method is then applied based on the surrogate to those interfacial momentum closure terms for SA, including drag, lift, turbulent dispersion, wall lubrication, and virtu
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Hassan, Anas Mohammed, Bennet N. Tackie-Otoo, Mohammed A. Ayoub, Mysara E. Mohyaldinn, Emad W. Al-Shalabi, and Imad A. Adel. "Numerical Investigation of Hybrid Smart Water and Foam Injections in Carbonate Reservoirs." In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212663-ms.

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Abstract This contribution is a progressive effort to investigate the effect of the novel hybrid EOR method of Smart Water Assisted Foam (SWAF) technique on oil recovery from carbonates through numerical modeling. In this work, a core-scale model was utilized to provide an insight and a better understanding of the controlling mechanisms behind incremental oil recovery using a new hybrid EOR method consisting of a combination of smart water flooding and foam injection, termed as Smart Water Assisted Foam (SWAF) technology, particularly for carbonate reservoirs. A core-scale model encapsulating
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Fiedler, Barbara, Yannick Muller, Matthias Voigt, and Ronald Mailach. "Comparison of Two Methods for the Sensitivity Analysis of a One-Dimensional Cooling Flow Network of a High-Pressure-Turbine Blade." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16295.

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Abstract Efficient cooling of the thermally extremely loaded high-pressure-turbine blades and vanes is required to ensure acceptable service life. The development of cooling systems is a high-dimensional problem, since it includes multiple design parameters. The integration of stochastic methods into the design phase contributes to a better understanding of the complex interaction between the design parameters and the system behavior and thus helps designing more efficient cooling systems. Therefore, the present study compares two stochastic methods, the Elementary-Effect method by Morris and
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Zheng, Xiaoyu, Hiroto Itoh, Hitoshi Tamaki, and Yu Maruyama. "Estimation of Source Term Uncertainty in a Severe Accident With Correlated Variables." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30011.

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The quantitative evaluation of the fission product release to the environment during a severe accident is of great importance. In the present analysis, integral severe accident code MELCOR 1.8.5 has been applied to estimating uncertainty of source term for the accident at Unit 2 of the Fukushima Daiichi nuclear power plant (NPP) as an example and to discussing important models or parameters influential to the source term. Forty-two parameters associated with models for the transportation of radioactive materials were chosen and narrowed down to 18 through a set of screening analysis. These 18
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Bronzova, Mariia, Arnaud Bocquillet, and Martin Schanz. "Trim-Structure Interface Modelling and Simulation Approaches for FEM Applications." In 13th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2954.

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<div class="section abstract"><div class="htmlview paragraph">Trim materials are often used for vibroacoustic energy absorption purposes within vehicles. To estimate the sound impact at a driver’s ear, the sub-structuring approach can be applied. Thus, transfer functions are calculated starting from the acoustic source to the car body, from the car body to the trim and, finally, from the trim to the inner cavity where the driver is located. One of the most challenging parts is the calculation of the transfer functions from the car body inner surface to the bottom trim surface. Comm
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Yipeng, Cao, Ma Zequn, and Liu Chen. "Sensitivity Analysis of Impeller Blade Parameters to Compressor Performance and Aerodynamic Noise." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-81705.

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Abstract The effects of a series of impeller blade parameters on compressor performance and aerodynamic noise are numerical analyzed in this paper. The inversed impeller blade model of a turbocharger compressor was first constructed by the reverse engineering method. Then, the performance and aerodynamic noise of the inversed impeller blade model was validated using a numerical approach, which combines computational fluid dynamics (CFD) and computational aerodynamic acoustics (CAA). A parameterization of blade starts from the inversed impeller and then morphs it with a number of design paramet
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