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Browsing by Subject "Sensitivity analysis"

Now showing items 1-20 of 59

A Methodology for Modeling and Optimizing Social Systems

Caselles, Antonio; Soler Fernández, David; Sanz, Maria T.; Micó, Joan C. (Taylor & Francis, 2020-04-02)

[EN] A system methodology for modeling and optimizing social systems is presented. It allows constructing dynamical models formulated stochastically, i.e., their results are given by confidence intervals. The models provide ...
A shape sensitivity analysis module with geometric representation by NURBs for a 2D finite element program based on Cartesian meshes independent of the geometry

Marco Alacid, Onofre (Universitat Politècnica de València, 2013-02-22)

[ES] El Método de los Elementos Finitos se ha convertido en una de las técnicas más potentes y más ampliamente utilizadas para encontrar soluciones aproximadas de las ecuaciones diferenciales que rigen numerosos tipos ...
An extension of shape sensitivity analysis to an immersed boundary method based on Cartesian grids

Marco, Onofre; Ródenas, Juan José; Fuenmayor Fernández, Francisco-Javier; Tur Valiente, Manuel (Springer-Verlag, 2018)

[EN] Gradient-based shape optimization processes of mechanical components require the gradients (sensitivity) of the magnitudes of interest to be calculated with sufficient accuracy. The aim of this study was to develop ...
An improved sampling strategy based on trajectory design for application of the Morris method to systems with many input factors

Ruano García, María Victoria; Ribes, J.; Seco Torrecillas, Aurora; Ferrer, J. (Elsevier, 2012)

[EN] In this paper, a revised version of the Morris approach, which includes an improved sampling strategy based on trajectory design, has been adapted to the screening of the most influential parameters of a fuzzy controller ...
An integration of a low cost adaptive remeshing strategy in the solution of structural shape optimization problems using evolutionary algorithms

Bugeda, Gabriel; Ródenas, J.J.; Onate, Eugenio (Elsevier, 2008)

[EN] Evolutionary methods are a powerful and robust tool for the solution of structural shape optimization problems. Nevertheless, the use of these methods requires the structural analysis of an important number of different ...
Analisis de la incertidumbre y análisis de sensibilidad del motor Stirling

Ruiz Ortega, Diego (Universitat Politècnica de València, 2020-04-29)

[ES] El alcance de esta tesis de maestría es, a través de diferentes modelos sustitutos, poder analizar cómo las diferentes partes del motor, representadas como entradas, interactúan y afectan en la obtención de la salida, ...
Análisis de la viabilidad de un proyecto de automatización de las operaciones en una central hortofrutícola

Fernández Infantes, Sara (Universitat Politècnica de València, 2022-10-20)

[ES] La mayoría de las empresas dedicadas a la adquisición, confección y comercialización de cítricos se enfrentan a una posible pérdida de competitividad en el mercado si no se adaptan a las exigencias de la distribución ...
Análisis de sensibilidad de la caracterización del agua y de los principales parámetros del modelo en el tratamiento de agua residual urbana mediante un biorreactor anaerobio de membranas

Navarrete Montoya, Christian Camilo (Universitat Politècnica de València, 2016-07-20)

[EN] The amount of water available on the planet has decreased significantly forcing society to institute new ideologies on demand, consumption, use and reuse of water. These new ideologies must be accompanied in turn the ...
Análisis de viabilidad de un proyecto de inversión sobre el desarrollo de un negocio turístico

Merita Blasco, Antonio (Universitat Politècnica de València, 2018-09-11)

[ES] El trabajo realizado consiste en el estudio de la viabilidad de un proyecto de inversión sobre el desarrollo de un negocio turístico, acerca de una casa rural, localizada en el municipio valenciano de Vallada. El ...
Application of the Morris method for screening the influential parameters of fuzzy controllers applied to wastewater treatment plants

Ruano García, María Victoria; Ribes Bertomeu, Jose; FERRER, J.; Sin, G (IWA Publishing, 2011)

In this paper,we evaluate the application of a sensitivity analysis to help fine-tuning a fuzzy controller for a biological nitrogen and phosphorus removal (BNPR) plant. TheMorris Screeningmethod is proposed and evaluated ...
Assessment of global sensitivity analysis methods for project scheduling

Galvez, Edelmira Delfina; Capuz-Rizo, Salvador F. (Elsevier, 2016-03)

Product development requires scheduling that considers the interdependence between activities. The definition of the interdependencies and duration of activities, communication times and the level of overlap between ...
Bio-Photonic Sensing Cells over transparent substrates for anti-gestrinone antibodies biosensing

Sanza, F.J.; Holgado, M.; Ortega Higueruelo, Francisco José; Casquel Del Campo, Rafael; López-Romero, D.; Bañuls Polo, Mª José; Laguna, Mari Fe; Barrios, C.A.; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2011)

[EN] In a previous work we introduced the term Bio-Photonic Sensing Cells (BICELLs), referred to periodic networks of nano-pillar suitable for biosensing when are vertically interrogated. In this article, we demonstrate ...
Ca2+ Cycling Impairment in Heart Failure Is Exacerbated by Fibrosis: Insights Gained From Mechanistic Simulations

Mora-Fenoll, María Teresa; Ferrero De Loma-Osorio, José María; Gómez García, Juan Francisco; Sobie, Eric A.; Trenor Gomis, Beatriz Ana (Frontiers Media SA, 2018-08-23)

[EN] Heart failure (HF) is characterized by altered Ca2+ cycling, resulting in cardiac contractile dysfunction. Failing myocytes undergo electrophysiological remodeling, which is known to be the main cause of abnormal Ca2+ ...
Comparative study of approximate entropy and sample entropy robustness to spikes

Molina Picó, Antonio; Cuesta Frau, David; Riobo Aboy, Pedro Mateo; Crespo Sánchez, María Cristina; Miró Martínez, Pau; Oltra Crespo, Sandra (Elsevier, 2011-10)

Objective: There is an ongoing research effort devoted to characterize the signal regularity metrics approximate entropy (ApEn) and sample entropy (SampEn) in order to better interpret their results in the context of ...
Control of the finite element discretization error during the convergence of structural shape optimization algorithms

Bugeda, Gabriel; Ródenas, J.J.; Albelda Vitoria, José; Oñate, Eugenio (EDP Sciences, 2009)

[EN] This work analyzes the influence of the discretization error contained in the Finite Element (FE) analyses of each design configuration proposed by structural shape optimization algorithms over the behaviour of the ...
Desarrollo de estrategias y mejoras de modelos estadísticos para la predicción de la vida útil de las tuberías en abastecimientos de agua potable

Bruján Gómez, Angely Noemi (Universitat Politècnica de València, 2020-09-02)

[ES] Las tuberías de los sistemas de abastecimiento de agua potable van sufriendo, con el tiempo, un continuo deterioro debido a diferentes factores operacionales, ambientales o físicos. Este deterioro se presenta como ...
Development and evaluation of a real-time PCR assay for quantification of Giardia and Cryptosporidium in sewage samples

Alonso Molina, José Luís; Amoros, Inmaculada; Cañigral Cárcel, Irene (SPRINGER, 2011)

[EN] Cryptosporidium and Giardia are major causes of diarrheal disease in humans worldwide and are major causes of protozoan waterborne diseases. Two DNA TaqMan PCR-based Giardia and Cryptosporidium methods targeting a ...
Direct hapten-linked multiplexed immunoassays on polycarbonate surface

Tamarit López, Jesús; Morais Ezquerro, Sergi Beñat; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2011-01-15)

Direct hapten-linked multiplexed immunoassay is developed on the polycarbonate surface of standard Digital Versatile Discs (DVDs) for six compounds of environmental concern, as proof of concept. Carboxylated haptens are ...
Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters

Garcerá Sanfeliú, Gabriel; González Medina, Raúl; Figueres Amorós, Emilio; Sandía Paredes, Jesús (Wiley, 2012-08)

In photovoltaic (PV) double-stage grid-connected inverters a high-frequency DC-DC isolation and voltage step-up stage is commonly used between the panel and the grid-connected inverter. This paper is focused on the modeling ...
Estudio de costes de la recolección de naranjas por vibrador de troncos mediante análisis de sensibilidad

García Navarrete, Oscar Leonardo (Universitat Politècnica de València, 2011-09-09)

Para reducir los costes de la recolección de citricos se planteo un modelo de costes del método de recolección por vibración de troncos identificando las variables más influyentes en el coste y estableciendo un límite de ...