Thèses sur le sujet « Modelli di previsione di vita »
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Frazzoni, Luca. « Modelli di previsione delle serie storiche macroeconomiche ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6736/.
Texte intégralBedin, Giulia <1990>. « Modelli di previsione per il settore automobilistico ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2015. http://hdl.handle.net/10579/6641.
Texte intégralPresotto, Jacopo <1991>. « Approccio evolutivo per sistemi di trading e modelli di previsione statistici combinati ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2017. http://hdl.handle.net/10579/9591.
Texte intégralSalomoni, Mirco. « La sicurezza stradale : studio dei modelli di previsione incidentale ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amslaurea.unibo.it/174/.
Texte intégralBergamo, Gianni <1983>. « Modelli di previsione per il mercato dell'auto in Italia ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2013. http://hdl.handle.net/10579/6510.
Texte intégralRossi, Federico. « Modelli di predizione numerica di evoluzione di difetti in materiali metallici sotto carichi ciclici ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6341/.
Texte intégralVersari, Luca. « Applicazione di modelli Ray-Tracing alla previsione di intensità solare in scenari urbani ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4713/.
Texte intégralBONOMETTI, Gianluca. « Customer relationship management e performance di marketing : modelli di previsione e caso pratico ». Doctoral thesis, Università degli studi di Bergamo, 2015. http://hdl.handle.net/10446/32804.
Texte intégralMariotti, Gianluca. « Valutazione delle caratteristiche dei modelli di previsione degli impatti odorigeni di tipo gaussiano e lagrangiano ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16995/.
Texte intégralCONSOLE, GIULIA. « Effetti dei cambiamenti climatici sulla distribuzione di specie sensibili dell’erpetofauna europea : modelli di previsione e proposte di conservazione ». Doctoral thesis, Università degli Studi dell'Aquila, 2021. http://hdl.handle.net/11697/169593.
Texte intégralEl, Mohtadi Samer. « Modelli di previsione delle caratteristiche qualitative di prodotti laminati in acciaio tramite definizione dei parametri termomeccanici di lavorazione ». Doctoral thesis, Università Politecnica delle Marche, 2013. http://hdl.handle.net/11566/242710.
Texte intégralThe objective of this research project was the setting up of a numerical model able to predict the microstructure which, taking into account the rolling schedule and cooling, will be able to provide the mechanical and microstructural characteristics after rolling. The model was developed starting from the theoretical knowledge proposed by many researchers who have dealt with these issues, and the experience gained in the design of rolling systems. In order to allow the maximum working flexibility to the final user, the PROMET system requires to fill in the thermomechanical conditions for rod rolling (preheating temperature, pass reduction, rolling temperatures, interpass time, strain rate and cooling profile); a database of more than 150 steel types was developed, containing CCT curves and the mechanical properties relative to the cooling rates. The tool provides the CCT curves, suitably modified to take into account the microstructure of the rolled, superimposed with the cooling trajectory set up by the operator, as well as mechanical and microstructural data of interest for that particular class of steels. The PROMET system was validated by direct comparison with the properties of rod rolled products under controlled conditions, obtaining an excellent prediction capability. The objective of the present research project, which is described herein, was the setting up of a method of predicting the microstructure which, taking into account the conditions of rolling and cooling, would be able to anticipate the main mechanical and microstructural characteristics of the final product. The powerful tool developed during the research, the prediction model PROMET, was particularly effective in estimating the effect of rolling parameters on the properties of rolled products. The model takes into account the complex kinetics of microstructural evolution taking place at various rolling stages, in order to provide an estimation of the austenitic grain size exiting the rolling mill. If the chemical composition plays a vital role in determining the shape of the CCT cooling curves, the size of the austenitic grain causes a shift of these curves that can have substantial effects the final microstructure. Considering all these factors and the cooling parameters imposed on the product, it is possible to estimate mechanical properties that in the most part differ by less than 10% from the experimental values. On this basis, we conclude that the model is sufficiently reliable to be used successfully in the design of rolling cycles of steel and allows optimising the rolling parameters in order to enhance or reduce some properties based on the customer request.
SCIANNAMEO, VERONICA. « ANALISI DEGLI ESITI DI SALUTE E DEI MODELLI DI COMORBIDITÀ IN PAZIENTI CON MALATTIE CRONICHE. MODELLI DI PREVISIONE E PHENOMAPPING SU DATABASE AMMINISTRATIVI INTEGRATI ». Doctoral thesis, Università degli studi di Padova, 2022. http://hdl.handle.net/11577/3458750.
Texte intégralThe CDC defines a chronic disease (CD) as a health condition which lasts at least one year and it requires continuous medical attention. Diabetes is one of the most diffused CD, and we refer to Type 2 Diabetes (T2D) when the body is not able to use insulin. Glucose Lowering Medications (GLMs) are used in T2D patients to control blood glucose, BMI, and blood pressure, to improve cardiovascular outcomes. Lots of RCTs have been conducted to evaluate GLMs. However, results obtained in RCTs have to be confirmed by real world data (RWD), which are routinely collected from different sources. In fact, RCTs have a very high internal validity but a low external validity. It is necessary to integrate knowledge from RCTs with Real World Evidence. However, when dealing with RWD, lots of problems arise due to the absence of randomization, confounding, and missing data. This thesis is focused on the application of advanced statistical approaches to analyze health outcomes and comorbidity patterns in patients with CDs from RWD. In the first contribution, Propensity Score (PS) methods have been applied to compare different GLMs, in terms of simultaneous reduction in HbA1c, body weight, and systolic blood pressure. Data were extracted from Dapagliflozin Real World evIdeNce in Type 2 Diabetes (DARWIN-T2D), a retrospective study conducted at diabetes specialist outpatient clinics in Italy. We observed that in routine ambulatory care, Dapagliflozin (a SGLT2i drug) can be as effective as GLP-1RA for the attainment of combined risk factor goals. However, we had to deal with lots of issues related to RWD: the absence of randomization, the high amount of missing data, and confounding. In the second contribution, I tried to overcome such issues applying different advanced statistical approaches, focusing on the case in which a high percentage of missing not at random (MNAR) data are present in the outcome. Covariate adjustment, PS adjustment, PS matching, inverse probability of treatment weighting, targeted maximum likelihood estimator (TMLE), were compared using DARWIN-T2D data and also in a simulation setting, done through Bayesian Networks (BNs) to resemble RWD characteristics. TMLE showed less biases and higher precision, even with MNAR outcome data. Then, in the third contribution, the aim was to evaluate generalizability of cardiovascular outcome trials (CVOTs) on GLP-1RA to the T2D RW population. The proportion of RW patients which constitute CVOT-like populations were assessed, using as target population DARWIN-T2D. We developed a novel approach, based on BNs, which was used to sample the greatest subsets of RW patients yielding true CVOT-like populations. A very small proportion of RW patients constitute true CVOT-like populations. In the fourth contribution, the aim was transferring CVOTs results to the RW setting (DARWIN-T2D). A post-stratification approach based on aggregated data of CVOTs and individual data of target population was used. Stratum-specific estimates available from CVOTs were extracted to calculate expected effect size for DARWIN-T2D by weighting the average of the stratum-specific treatment effects according to proportions of a given characteristic in the target population. The main finding was that cardiovascular protective actions of GLMs are transferrable to a different RW T2D population. In the fifth contribution, I worked on administrative databases of Piedmont, a Northern Italy region, to forecast urgent hospitalization in people aged more than 65 years. I applied the Bidirectional Encoder Representations from Transformers (BERT), which is a deep learning approach developed by Google. The aim was to deal with healthcare trajectories, defined as a sequence of medication purchases and hospitalization diagnoses, to forecast urgent hospitalizations within 3 months. Results suggested that BERT is able to embed administrative health records. This could be a tool to prevent adverse outcomes in a personalized way.
Pini, Alberto. « Sviluppo di sistemi di Data Mining per l'estrazione automatica di modelli predittivi nella churn analysis ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3512/.
Texte intégralDifonte, Fulvia <1989>. « 模范青年 Modelli di vita. Proposta di traduzione e commento di sette capitoli di un romanzo di A Yi ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2013. http://hdl.handle.net/10579/3410.
Texte intégralCalabritto, Alessandro. « Prove di vita accelerate e modelli matematici per la valutazione dell'affidabilità ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5720/.
Texte intégralTodaro, Ivan <1976>. « Sviluppo di sperimentazioni per la produzione di getti in lega di alluminio a caratteristiche difettologiche e microstrutturali controllate, per la validazione di modelli di previsione delle porosità ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4454/1/todaro_ivan_tesi.pdf.
Texte intégralThe possibility to predict defects in aluminium alloy cast component, from the very beginning of the design and production phases is a crucial issue. Among the most common defects of a casting, microporosities (i.e. porosities with dimension up to hundreds of m) are highly detrimental for mechanical performances. In this work, after an in-depth bibliographic research, experimental casting devices and procedures were designed in order to produce specimen with controlled defects and microstructure, related to process condition which could be varied in the range of the actual ones, measured on the shop floor. The whole design phase of the casting devices and procedure was carried out using process simulation software which were extensively fine tuned through experimental activities. The experiment proved to be effective in producing specimen with controlled defects and microstructure, in a consistent way. Numerical models for the prediction of gas and shrinkage porosity were evaluated in terms of accuracy in the description of all of the phenomena involving nucleation and growth of porosity and possibility of implementation on industrial cases. The one considered at the state of the art underwent a validation process with the experimental data. The comparison of numerical results and experimental data showed a good match, thus the good capability of the model to predict porosity, both in magnitude and trend throughout the casting.
Todaro, Ivan <1976>. « Sviluppo di sperimentazioni per la produzione di getti in lega di alluminio a caratteristiche difettologiche e microstrutturali controllate, per la validazione di modelli di previsione delle porosità ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4454/.
Texte intégralThe possibility to predict defects in aluminium alloy cast component, from the very beginning of the design and production phases is a crucial issue. Among the most common defects of a casting, microporosities (i.e. porosities with dimension up to hundreds of m) are highly detrimental for mechanical performances. In this work, after an in-depth bibliographic research, experimental casting devices and procedures were designed in order to produce specimen with controlled defects and microstructure, related to process condition which could be varied in the range of the actual ones, measured on the shop floor. The whole design phase of the casting devices and procedure was carried out using process simulation software which were extensively fine tuned through experimental activities. The experiment proved to be effective in producing specimen with controlled defects and microstructure, in a consistent way. Numerical models for the prediction of gas and shrinkage porosity were evaluated in terms of accuracy in the description of all of the phenomena involving nucleation and growth of porosity and possibility of implementation on industrial cases. The one considered at the state of the art underwent a validation process with the experimental data. The comparison of numerical results and experimental data showed a good match, thus the good capability of the model to predict porosity, both in magnitude and trend throughout the casting.
POLSINELLI, Giovanni. « Stima dell’intensità di esercizio e deriva cardiovascolare : una nuova variabile per i modelli di previsione basati sulla frequenza cardiaca ». Doctoral thesis, Università degli studi di Cassino, 2022. https://hdl.handle.net/11580/92118.
Texte intégralFranci, Leonardo. « Scenari finanziari e portafogli ottimi : modelli di previsione e strategie per l'asset allocation tattica ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5454/1/franci_leonardo_tesi.pdf.
Texte intégralMaking a right asset allocation is often a very difficult issue for every investor, who is constantly engaged in combining different asset classes to achieve a portfolio consistent with their preferences. The need to support the decisions of asset managers has nurtured over time a vast literature, that has proposed a number of strategies and formal models of portfolio construction. This thesis aims to provide an overview of some innovative forecasting models and strategies in the field of tactical asset allocation, and then to evaluate their usability by asset managers. Firstly, we will verify the existence of any relationship between the dynamics of some macroeconomic variables and financial markets. The aim is to identify an econometric model capable of directing strategies of asset managers in the construction of their investment portfolios. The analysis takes into account the American financial market, during a period of rapid economic change and high volatility in stock prices. Secondly, we will examine the validity of the momentum and contrarian trading strategies in the Eurozone futures markets, which are well suited to the implementation of these, thanks to the absence of constraints on short selling and the low costs of the transaction. The analysis shows that both anomalies occur permanently. The abnormal returns remain even after subjection to traditional asset pricing models such as the CAPM, the Fama and French model and Carhart model. Finally, using the EGARCH-M approach, we will formulate forecasts on the volatility of stocks returns and we’ll use these as input for determining some subjective views to be included in the Black and Litterman model. Our results indicate, for different value of scalar tau, that the BL portfolio excess returns exceed those of market equilibrium one, although with higher levels of risk.
Franci, Leonardo. « Scenari finanziari e portafogli ottimi : modelli di previsione e strategie per l'asset allocation tattica ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5454/.
Texte intégralMaking a right asset allocation is often a very difficult issue for every investor, who is constantly engaged in combining different asset classes to achieve a portfolio consistent with their preferences. The need to support the decisions of asset managers has nurtured over time a vast literature, that has proposed a number of strategies and formal models of portfolio construction. This thesis aims to provide an overview of some innovative forecasting models and strategies in the field of tactical asset allocation, and then to evaluate their usability by asset managers. Firstly, we will verify the existence of any relationship between the dynamics of some macroeconomic variables and financial markets. The aim is to identify an econometric model capable of directing strategies of asset managers in the construction of their investment portfolios. The analysis takes into account the American financial market, during a period of rapid economic change and high volatility in stock prices. Secondly, we will examine the validity of the momentum and contrarian trading strategies in the Eurozone futures markets, which are well suited to the implementation of these, thanks to the absence of constraints on short selling and the low costs of the transaction. The analysis shows that both anomalies occur permanently. The abnormal returns remain even after subjection to traditional asset pricing models such as the CAPM, the Fama and French model and Carhart model. Finally, using the EGARCH-M approach, we will formulate forecasts on the volatility of stocks returns and we’ll use these as input for determining some subjective views to be included in the Black and Litterman model. Our results indicate, for different value of scalar tau, that the BL portfolio excess returns exceed those of market equilibrium one, although with higher levels of risk.
Gastaldo, Thomas. « Assimilazione dati di precipitazione in un modello meteorologico ad alta risoluzione (MOLOCH) : sviluppo ed applicazione alla previsione di eventi intensi in Liguria ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11165/.
Texte intégralTomassoni, Alberto. « Analisi ed implementazione di modelli per la previsione della domanda : il caso SCM Group S.p.a ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/1698/.
Texte intégralQUARTARARO, MARCO. « Modelli di previsione dei popolamenti ittici nei fiumi : sviluppo e ottimizzazione mediante reti neurali artificiali ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1273.
Texte intégralThe use of artificial intelligence methods for ecosystems modeling has had a considerable development in the last 20 years, due to their specific ability, in several conditions and once supported by suitable “learning” algorithms, to build from the data more effective representations of ecological systems than traditional methods (based on indexes or multivariate statistics). The main purpose of this work was an experimental examination of five hypotheses about as many potential strategies for the optimization of supervised artificial neural networks (perceptrons) which reconstruct the relations between the abiotic (environmental variables) and biological components (presence values of the species within fish assemblages) in river ecosystems. The themes we dealt with included the prevision of binary variables (species presence/absence), the variation of the performance as a function of the output discretization threshold, the prevision of rare species, the prevision of single species or group of species, data pre-processing and specifically the partitioning required by the early stopping technique. The results prove the practical and theoretical interest in working with predictive models, for both the effectiveness of the models and the possibility of giving hints to ecological research. Beyond the hypotheses studied here, the work produced a method and a computer tool that can test other optimization strategies and operate with different data set.
Manzato, Enrico <1989>. « Combinazione di modelli stagionali per la previsione dei prezzi dell'elettricità nel mercato Nord Pool Spot ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2013. http://hdl.handle.net/10579/3628.
Texte intégralRago, Giovanni. « Valutazione dello stato di degrado e della vita di servizio di un viadotto lungo la linea ad alta velocità Firenze Roma ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Trouver le texte intégralLombardo, Samantha <1991>. « L’UTILIZZO DI MODELLI FATTORIALI PER IL FORECASTING : Aspetti metodologici e applicazione alla previsione dell’indice della produzione americana ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2015. http://hdl.handle.net/10579/7264.
Texte intégralCancian, Cristina <1996>. « Big Data e frode contabile. Analisi strutturata della letteratura e raffronto tra modelli di previsione della frode ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/18140.
Texte intégralBogani, Lara <1992>. « Violenza maschile nel panorama socio-culturale occidentale. Percorsi e pratiche di vita verso la decostruzione dei modelli socializzati e il cambiamento di percezione di genere ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2018. http://hdl.handle.net/10579/13325.
Texte intégralPANTINI, SARA. « Analysis and modelling of leachate and gas generation at landfill sites focused on mechanically-biologically treated waste ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2013. http://hdl.handle.net/2108/203393.
Texte intégralVassallo, Erika <1982>. « Culture familiari e pratiche di vita quotidiana. Modelli educativi e culturali nelle conversazioni tra genitori e bambini ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7675/1/ERIKA_VASSALLO_TESI.pdf.
Texte intégralThe research focuses on the ordinary life parents/children interactions. Through a systematical consideration of the only seeming normality of interactions between parents and children, the analysis aims at enlarging the educational meaning of family practices in the process of everyday life. On the basis of a qualitative approach to interaction studies, talking-in-interaction is here considered as one of the most powerful means by which parents and children steadily construct, negotiate and maintain their reciprocal identities, roles, social positions. The analysis specifically focuses on the micro-order of family interactions in the way they take form in the domestic environment (every family household) and in a specific moment of the day (dinner time). To this effect a corpus of twenty-eight Italian family dinners recorded in their own household has been collected. This research intends to show how educational patterns, values orientations and cultural beliefs are steadily reproduced and reshaped in the context of daily, interactive micro-order.
Vassallo, Erika <1982>. « Culture familiari e pratiche di vita quotidiana. Modelli educativi e culturali nelle conversazioni tra genitori e bambini ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7675/.
Texte intégralThe research focuses on the ordinary life parents/children interactions. Through a systematical consideration of the only seeming normality of interactions between parents and children, the analysis aims at enlarging the educational meaning of family practices in the process of everyday life. On the basis of a qualitative approach to interaction studies, talking-in-interaction is here considered as one of the most powerful means by which parents and children steadily construct, negotiate and maintain their reciprocal identities, roles, social positions. The analysis specifically focuses on the micro-order of family interactions in the way they take form in the domestic environment (every family household) and in a specific moment of the day (dinner time). To this effect a corpus of twenty-eight Italian family dinners recorded in their own household has been collected. This research intends to show how educational patterns, values orientations and cultural beliefs are steadily reproduced and reshaped in the context of daily, interactive micro-order.
TINGIRE, MIRELA. « LIFE SKILLS E PROMOZIONE DEL BENESSERE IN ITALIA E ROMANIA : MODELLI DI INTERVENTO A CONFRONTO ». Doctoral thesis, Università Cattolica del Sacro Cuore, 2017. http://hdl.handle.net/10280/35765.
Texte intégralScientific findings reveal that the lifestyles adopted by people influence their health leading, over time, to some of the major causes of death that affect our society. These behaviors, often gained at a young age, include the consumption of tobacco, alcohol, drugs, an unhealthy diet, improper physical activity and sexual behaviors. In this scenario, the need to develop and promote new skills able to equip the younger generation in order to better face the special situations of life, emerges. The Unesco Education for All. Global Monitoring Report1 reiterated the importance of "ensuring that the learning needs of all children and adults are met through a fair access to appropriate learning and life skills development programmes". The document Transforming our world: The 2030 Agenda for Sustainable Development expressed the need to "ensure the health and wellbeing for all and for all ages" and to "provide quality education, fair and inclusive growth and learning opportunity for all." However, the most common approach used for many years to prevent drug use among children, was based on information, intimidation and fear. The assessment of these strategies has proved to be ineffective. Furthermore, it lacked of scientific evidences to prove its effectiveness. It is, therefore, necessary to find strategies suitable for promoting the life skills need to change risky behaviors. The research investigates the ways in which the models based on the development of life skills are adapted and employed in school settings in Lombardy and Romania; explores the use of some programs deemed especially significant, to bring out particularity, differences, challenges and potential. The programs are: LifeSkills Training Program and Unplugged for the Italian context and “The National program of health education" and "Necenzurat" for the Romanian context.
TINGIRE, MIRELA. « LIFE SKILLS E PROMOZIONE DEL BENESSERE IN ITALIA E ROMANIA : MODELLI DI INTERVENTO A CONFRONTO ». Doctoral thesis, Università Cattolica del Sacro Cuore, 2017. http://hdl.handle.net/10280/35765.
Texte intégralScientific findings reveal that the lifestyles adopted by people influence their health leading, over time, to some of the major causes of death that affect our society. These behaviors, often gained at a young age, include the consumption of tobacco, alcohol, drugs, an unhealthy diet, improper physical activity and sexual behaviors. In this scenario, the need to develop and promote new skills able to equip the younger generation in order to better face the special situations of life, emerges. The Unesco Education for All. Global Monitoring Report1 reiterated the importance of "ensuring that the learning needs of all children and adults are met through a fair access to appropriate learning and life skills development programmes". The document Transforming our world: The 2030 Agenda for Sustainable Development expressed the need to "ensure the health and wellbeing for all and for all ages" and to "provide quality education, fair and inclusive growth and learning opportunity for all." However, the most common approach used for many years to prevent drug use among children, was based on information, intimidation and fear. The assessment of these strategies has proved to be ineffective. Furthermore, it lacked of scientific evidences to prove its effectiveness. It is, therefore, necessary to find strategies suitable for promoting the life skills need to change risky behaviors. The research investigates the ways in which the models based on the development of life skills are adapted and employed in school settings in Lombardy and Romania; explores the use of some programs deemed especially significant, to bring out particularity, differences, challenges and potential. The programs are: LifeSkills Training Program and Unplugged for the Italian context and “The National program of health education" and "Necenzurat" for the Romanian context.
MAGGIOLINI, Enrico. « Applicazione di stati tensionali non locali per la previsione della vita a fatica. Application of non lpcal stressed field for the prediction of fatigue life ». Doctoral thesis, Università degli studi di Ferrara, 2016. http://hdl.handle.net/11392/2403464.
Texte intégralIn the past three years, it has conducted the research activity on the study of the materials resistance, focusing on the technique useful to estimate the resistance value in the linear elastic field in the presence of notch or weldment. In this cases there is a point in the material where the tension reach very high level related to the net tension, this phenomena stress a lot the material that decrease its resistance. It is not always easy calculate this value of tension, especially when the notch is very sharp the value of tension in the tip reach an incredible huge value: according to the theory, the value at the tip of the crack (for example) is infinite. In the practice, this value is useless, so it needs a methodology that focus not on the maximum point, but on the surrounding field with a certain average. The implicit gradient, with a second order differential equation, allow to calculate a local value of tension by a non-local stress field, by that it is possible to compare the value given by the method with the reference resistance of the material.
RENDINA, Cristian. « STUDY OF THE IMPACT OF MODELLING SEA SURFACE TEMPERATURE IN A MONTHLY ATMOSPHERIC ENSEMBLE PREDICTION SYSTEM ». Doctoral thesis, Università degli studi di Ferrara, 2012. http://hdl.handle.net/11392/2389449.
Texte intégralZAMBELLI, MICHELA. « INVESTIGATING DYNAMICS OF CHANGE OF PSYCHOLOGICAL PROCESSES WITHIN A COMPLEXITY FRAMEWORK : APPLICATION TO THE MEANING-MAKING PROCESS ». Doctoral thesis, Università Cattolica del Sacro Cuore, 2023. http://hdl.handle.net/10280/134702.
Texte intégralThis doctoral thesis aims to open a reflection on how to measure dynamics of change of psychological processes by presenting an application of the complexity framework to the meaning-making process. The first chapter fronts the challenge of how to conceptualize the meaning-making process, by conducting a systematic review of the literature that led toward the formulation of a new integrated conceptual definition of meaning-making. The second chapter presents the development of a new self-report measure of meaning in life (SMILE; situational meaning in life evaluation) that has been validated in a national representative sample and in a sample of emerging and young adults. The third chapter deals with the challenge of how to investigate the dynamics of change of the meaning-making process in the daily life by applying two state-of-the-art data analysis approaches, the Dynamic Structural Equation Models (DSEM) and the Multilevel Network Psychometric approach. Data from emerging and young adults were collected with a measurement burst design made of two daily diary studies during the COVID-19 pandemic. The role of individual factors (transitive condition in love and work), situational factors (positive vs negative events), and contextual factors (pandemic) as activators of the meaning-making process has also been investigated.
ZONFRILLO, GIOVANNI. « Meccanismi e leggi del danneggiamento di materiali metallici ». Doctoral thesis, 1990. http://hdl.handle.net/2158/447052.
Texte intégralChiavarini, S., SANTIS Pasquale DE et Antonio PALLESCHI. « Parametri topologici nell'analisi di modelli di proteine globulari ». Doctoral thesis, 1988. http://hdl.handle.net/11573/388900.
Texte intégralFABBRO, GIANCARLO. « Vaccino e HPV : un modello di previsione delle infezioni ». Doctoral thesis, 2014. http://hdl.handle.net/2158/851927.
Texte intégralMANZO, GOFFREDO. « APPLICAZIONI DI TECNICHE GIS E MODELLI DI SUSCETTIBILTÀ PER LA PREVISIONE DEL RISCHIO DA FRANA A SCALA REGIONALE ». Doctoral thesis, 2010. http://hdl.handle.net/2158/543295.
Texte intégralGIACOMELLI, ELENA. « Valutazione di nuovi modelli per lo studio della qualità di vita paziente-percepita nel trattamento chirurgico ed endovascolare delle arteriopatie periferiche ». Doctoral thesis, 2016. http://hdl.handle.net/2158/1029234.
Texte intégralPETRINI, Maria Celeste. « IL MARKETING INTERNAZIONALE DI UN ACCESSORIO-MODA IN MATERIALE PLASTICO ECO-COMPATIBILE : ASPETTI ECONOMICI E PROFILI GIURIDICI. UN PROGETTO PER LUCIANI LAB ». Doctoral thesis, 2018. http://hdl.handle.net/11393/251084.
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