Academic literature on the topic 'ANOVA decomposition'
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Journal articles on the topic "ANOVA decomposition"
Tabatabaei, Mohammad, Alberto Lovison, Matthias Tan, Markus Hartikainen, and Kaisa Miettinen. "ANOVA-MOP: ANOVA Decomposition for Multiobjective Optimization." SIAM Journal on Optimization 28, no. 4 (January 2018): 3260–89. http://dx.doi.org/10.1137/16m1096505.
Full textKim, Jinseog, Yongdai Kim, Yuwon Kim, Sunghoon Kwon, and Sangin Lee. "Boosting on the functional ANOVA decomposition." Statistics and Its Interface 2, no. 3 (2009): 361–68. http://dx.doi.org/10.4310/sii.2009.v2.n3.a9.
Full textGriebel, Michael, Frances Y. Kuo, and Ian H. Sloan. "The smoothing effect of the ANOVA decomposition." Journal of Complexity 26, no. 5 (October 2010): 523–51. http://dx.doi.org/10.1016/j.jco.2010.04.003.
Full textRahman, Sharif. "A Generalized ANOVA Dimensional Decomposition for Dependent Probability Measures." SIAM/ASA Journal on Uncertainty Quantification 2, no. 1 (January 2014): 670–97. http://dx.doi.org/10.1137/120904378.
Full textYang, Xiu, Minseok Choi, Guang Lin, and George Em Karniadakis. "Adaptive ANOVA decomposition of stochastic incompressible and compressible flows." Journal of Computational Physics 231, no. 4 (February 2012): 1587–614. http://dx.doi.org/10.1016/j.jcp.2011.10.028.
Full textSpeed, T. P. "ANOVA models with random effects: an approach via symmetry." Journal of Applied Probability 23, A (1986): 355–68. http://dx.doi.org/10.2307/3214364.
Full textSpeed, T. P. "ANOVA models with random effects: an approach via symmetry." Journal of Applied Probability 23, A (1986): 355–68. http://dx.doi.org/10.1017/s002190020011719x.
Full textLuo, Xiaopeng, Zhenzhou Lu, and Xin Xu. "Non-parametric kernel estimation for the ANOVA decomposition and sensitivity analysis." Reliability Engineering & System Safety 130 (October 2014): 140–48. http://dx.doi.org/10.1016/j.ress.2014.06.002.
Full textCastillo, Enrique, Noelia Sánchez-Maroño, Amparo Alonso-Betanzos, and Carmen Castillo. "Functional Network Topology Learning and Sensitivity Analysis Based on ANOVA Decomposition." Neural Computation 19, no. 1 (January 2007): 231–57. http://dx.doi.org/10.1162/neco.2007.19.1.231.
Full textWansbeek, Tom. "Singular value decomposition of design matrices in ANOVA with balanced data." Statistics & Probability Letters 12, no. 5 (November 1991): 441. http://dx.doi.org/10.1016/0167-7152(91)90033-n.
Full textDissertations / Theses on the topic "ANOVA decomposition"
Hullmann, Alexander [Verfasser]. "The ANOVA decomposition and generalized sparse grid methods for the high-dimensional backward Kolmogorov equation / Alexander Hullmann." Bonn : Universitäts- und Landesbibliothek Bonn, 2015. http://d-nb.info/1077289480/34.
Full textTissot, Jean-yves. "Sur la décomposition ANOVA et l'estimation des indices de Sobol'. Application à un modèle d'écosystème marin." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENM064/document.
Full textIn the fields of modelization and numerical simulation, simulators generally depend on several input parameters whose impact on the model outputs are not always well known. The main goal of sensitivity analysis is to better understand how the model outputs are sensisitive to the parameters variations. One of the most competitive method to handle this problem when complex and potentially highly non linear models are considered is based on the ANOVA decomposition and the Sobol' indices. More specifically the latter allow to quantify the impact of each parameters on the model response. In this thesis, we are interested in the issue of the estimation of the Sobol' indices. In the first part, we revisit in a rigorous way existing methods in light of discrete harmonic analysis on cyclic groups and randomized orthogonal arrays. It allows to study theoretical properties of this method and to intriduce generalizations. In a second part, we study the Monte Carlo method for the Sobol' indices and we introduce a new approach to reduce the number of simulations of this method. In parallel with this theoretical work, we apply these methods on a marine ecosystem model
Yadav, Vaibhav. "Novel Computational Methods for Solving High-Dimensional Random Eigenvalue Problems." Diss., University of Iowa, 2013. https://ir.uiowa.edu/etd/4927.
Full textZhang, Yulei. "Computer Experiments with Both Quantitative and Qualitative Inputs." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408042133.
Full textCostini, Pierre. "Applicabilité de la réduction de modèles à la conception aérothermique collaborative des systèmes d'air secondaire des turbomachines." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0109.
Full textA non intrusive method to create surrogate models describing the flow in jet engines’ secondary air system is desired. The resulting model must be integrated in a thermal model describing the whole engine during a complete mission under the wing. This requires the model to use a high number of input and output parameters and to be valid on a broad domain of variation of its parameters. Several approches are explored in this thesis and applied to a simplified turbine cavity :— Surrogate modeling of terms of the ANOVA decomposition of wall fluxes.— Surrogate modeling of wall fluxes combined with an adaptive refinement method exploiting the trajectory followed by the input parameters during the coupling between the metamodel and the structural model.— Dimensionality reduction of the interface data exchanged during the coupling between flow and structure thermal model and surrogate modeling of the resulting reduced coordinate.This last approach leads to good results on the test case considered in this thesis with fixed inlet boundary conditions and then with variations of some of the inlet parameters
Belmar, Gil Mario. "Computational study on the non-reacting flow in Lean Direct Injection gas turbine combustors through Eulerian-Lagrangian Large-Eddy Simulations." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/159882.
Full text[CA] El principal desafiament als motors turbina de gas utilitzats a la aviació resideix en augmentar l'eficiència del cicle termodinàmic mantenint les emissions contaminants per davall de les rigoroses restriccions. Aquest fet comporta la necessitat de dissenyar noves estratègies d'injecció/combustió que radiquen en punts d'operació perillosos per la seva aproximació al límit inferior d'apagat de flama. En aquest context, el concepte Lean Direct Injection (LDI) sorgeix com a eina innovadora a l'hora de reduir els òxids de nitrogen (NOx) emesos per les plantes propulsores dels avions de nova generació. Sota aquest context, aquesta tesis té com a objectius contribuir al coneixement dels mecanismes físics que regeixen el comportament d'un cremador LDI i proporcionar ferramentes d'anàlisi per a una profunda caracterització de les complexes estructures de flux turbulent generades a l'interior de la càmera de combustió. Per tal de dur-ho a terme s'ha desenvolupat una metodología numèrica basada en CFD capaç de modelar el flux bifàsic no reactiu a l'interior d'un cremador LDI acadèmic mitjançant els enfocaments de turbulència U-RANS i LES en un marc Eulerià-Lagrangià. La resolució numèrica d'aquest problema multiescala s'aborda mitjançant la resolució completa del flux al llarg de tots els elements que constitueixen la maqueta experimental, incloent el seu pas pel swirler i l'entrada a la càmera de combustió. Açò es duu a terme a través de dos codis CFD que involucren estratègies de mallat diferents: una basada en la generación automàtica de la malla i en l'algoritme de refinament adaptatiu (AMR) amb CONVERGE i l'altra que es basa en una tècnica de mallat estàtic més tradicional amb OpenFOAM. D'una banda, s'ha definit una metodologia per tal d'obtindre una estrategia de mallat òptima mitjançant l'ús de l'AMR i s'han explotat els seus beneficis front als enfocaments tradicionals de malla estàtica. D'aquesta forma, s'ha demostrat que l'aplicabilitat de les ferramente de control de malla disponibles en CONVERGE com el refinament fixe (fixed embedding) i l'AMR són una opció molt interessant per tal d'afrontar aquest tipus de problemes multiescala. Els resultats destaquen una optimització de l'ús dels recursos computacionals i una major precisió en les simulacions realitzades amb la metodologia presentada. D'altra banda, l'ús d'eines CFD s'ha combinat amb l'aplicació de tècniques de descomposició modal avançades (Proper Orthogonal Decomposition and Dynamic Mode Decomposition). La identificació numèrica dels principals modes acústics a la càmera de combustió ha demostrat el potencial d'aquestes ferramentes al permetre caracteritzar les estructures de flux coherents generades com a conseqüència del trencament dels vòrtex (VBB) i dels raigs fortament arremolinats presents al cremador LDI. A més, la implantació d'estos procediments matemàtics ha permès recuperar informació sobre les característiques de la dinàmica del flux i proporcionar un enfocament sistemàtic per tal d'identificar els principals mecanismes que sustenten les inestabilitats a la càmera de combustió. Finalment, la metodologia validada ha sigut explotada a traves d'un Diseny d'Experiments (DoE) per tal de quantificar la influència dels factors crítics de disseny en el flux no reactiu. D'aquesta manera, s'ha avaluat la contribución individual d'alguns paràmetres funcionals (el nombre de pales del swirler, l'angle de les pales, l'amplada de la càmera de combustió i la posició axial de l'orifici de l'injector) en els patrons del camp fluid, la distribució de la mida de gotes del combustible líquid i l'aparició d'inestabilitats en la càmera de combustió mitjançant una matriu ortogonal L9 de Taguchi. Aquest estudi estadístic és un bon punt de partida per a futurs estudis de injecció, atomització i combustió en cremadors LDI.
[EN] Aeronautical gas turbine engines present the main challenge of increasing the efficiency of the cycle while keeping the pollutant emissions below stringent restrictions. This has led to the design of new injection-combustion strategies working on more risky and problematic operating points such as those close to the lean extinction limit. In this context, the Lean Direct Injection (LDI) concept has emerged as a promising technology to reduce oxides of nitrogen (NOx) for next-generation aircraft power plants In this context, this thesis aims at contributing to the knowledge of the governing physical mechanisms within an LDI burner and to provide analysis tools for a deep characterisation of such complex flows. In order to do so, a numerical CFD methodology capable of reliably modelling the 2-phase nonreacting flow in an academic LDI burner has been developed in an Eulerian-Lagrangian framework, using the U-RANS and LES turbulence approaches. The LDI combustor taken as a reference to carry out the investigation is the laboratory-scale swirled-stabilised CORIA Spray Burner. The multi-scale problem is addressed by solving the complete inlet flow path through the swirl vanes and the combustor through two different CFD codes involving two different meshing strategies: an automatic mesh generation with adaptive mesh refinement (AMR) algorithm through CONVERGE and a more traditional static meshing technique in OpenFOAM. On the one hand, a methodology to obtain an optimal mesh strategy using AMR has been defined, and its benefits against traditional fixed mesh approaches have been exploited. In this way, the applicability of grid control tools available in CONVERGE such as fixed embedding and AMR has been demonstrated to be an interesting option to face this type of multi-scale problem. The results highlight an optimisation of the use of the computational resources and better accuracy in the simulations carried out with the presented methodology. On the other hand, the use of CFD tools has been combined with the application of systematic advanced modal decomposition techniques (i.e., Proper Orthogonal Decomposition and Dynamic Mode Decomposition). The numerical identification of the main acoustic modes in the chamber have proved their potential when studying the characteristics of the most powerful coherent flow structures of strongly swirled jets in a LDI burner undergoing vortex breakdown (VBB). Besides, the implementation of these mathematical procedures has allowed both retrieving information about the flow dynamics features and providing a systematic approach to identify the main mechanisms that sustain instabilities in the combustor. Last, this analysis has also allowed identifying some key features of swirl spray systems such as the complex pulsating, intermittent and cyclical spatial patterns related to the Precessing Vortex Core (PVC). Finally, the validated methodology is exploited through a Design of Experiments (DoE) to quantify the influence of critical design factors on the non-reacting flow. In this way, the individual contribution of some functional parameters (namely the number of swirler vanes, the swirler vane angle, the combustion chamber width and the axial position of the nozzle tip) into both the flow field pattern, the spray size distribution and the occurrence of instabilities in the combustion chamber are evaluated throughout a Taguchi's orthogonal array L9. Such a statistical study has supposed a good starting point for subsequent studies of injection, atomisation and combustion on LDI burners.
Belmar Gil, M. (2020). Computational study on the non-reacting flow in Lean Direct Injection gas turbine combustors through Eulerian-Lagrangian Large-Eddy Simulations [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/159882
TESIS
Book chapters on the topic "ANOVA decomposition"
Zhang, Zhongqiang, Minseok Choi, and George Em Karniadakis. "Anchor Points Matter in ANOVA Decomposition." In Lecture Notes in Computational Science and Engineering, 347–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15337-2_32.
Full textRömisch, Werner. "ANOVA Decomposition of Convex Piecewise Linear Functions." In Monte Carlo and Quasi-Monte Carlo Methods 2012, 581–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41095-6_30.
Full textBove, Giuseppe, Frank Critchley, Radka Sabolova, and Germain Van Bever. "On ANOVA-Like Matrix Decompositions." In Modern Nonparametric, Robust and Multivariate Methods, 425–39. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22404-6_23.
Full textGinsbourger, David, Olivier Roustant, Dominic Schuhmacher, Nicolas Durrande, and Nicolas Lenz. "On ANOVA Decompositions of Kernels and Gaussian Random Field Paths." In Springer Proceedings in Mathematics & Statistics, 315–30. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33507-0_15.
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