Academic literature on the topic 'Spatial stability analysis'
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Journal articles on the topic "Spatial stability analysis"
Bischof, Walter F., and Terry Caelli. "Parsing scale-space spatial stability analysis." Computer Vision, Graphics, and Image Processing 41, no. 2 (February 1988): 263. http://dx.doi.org/10.1016/0734-189x(88)90025-4.
Full textLajús, F. C., A. Sinha, A. V. G. Cavalieri, C. J. Deschamps, and T. Colonius. "Spatial stability analysis of subsonic corrugated jets." Journal of Fluid Mechanics 876 (August 8, 2019): 766–91. http://dx.doi.org/10.1017/jfm.2019.573.
Full textVera, J. Fernando, José M. Angulo, and Juan A. Roldán. "Stability analysis in nonstationary spatial covariance estimation." Stochastic Environmental Research and Risk Assessment 31, no. 3 (February 17, 2016): 815–28. http://dx.doi.org/10.1007/s00477-016-1228-4.
Full textBischof, Walter F., and Terry Caelli. "Parsing scale-space and spatial stability analysis." Computer Vision, Graphics, and Image Processing 42, no. 2 (May 1988): 192–205. http://dx.doi.org/10.1016/0734-189x(88)90163-6.
Full textWang, Yu-Jie, and Paul Chiasson. "Stochastic stability analysis of a test excavation involving spatially variable subsoil." Canadian Geotechnical Journal 43, no. 10 (October 1, 2006): 1074–87. http://dx.doi.org/10.1139/t06-062.
Full textKIM, M. Y., S. P. CHANG, and S. B. KIM. "SPATIAL STABILITY ANALYSIS OF THIN-WALLED SPACE FRAMES." International Journal for Numerical Methods in Engineering 39, no. 3 (February 15, 1996): 499–525. http://dx.doi.org/10.1002/(sici)1097-0207(19960215)39:3<499::aid-nme867>3.0.co;2-z.
Full textMuller, André Luís, Eurípedes do Amaral Vargas, Luiz Eloy Vaz, and Clemente José Gonçalves. "Borehole stability analysis considering spatial variability and poroelastoplasticity." International Journal of Rock Mechanics and Mining Sciences 46, no. 1 (January 2009): 90–96. http://dx.doi.org/10.1016/j.ijrmms.2008.05.001.
Full textGetz, Michael C., Jasmine A. Nirody, and Padmini Rangamani. "Stability analysis in spatial modeling of cell signaling." Wiley Interdisciplinary Reviews: Systems Biology and Medicine 10, no. 1 (August 8, 2017): e1395. http://dx.doi.org/10.1002/wsbm.1395.
Full textSandstede, Björn, and Arnd Scheel. "On the Stability of Periodic Travelling Waves with Large Spatial Period." Journal of Differential Equations 172, no. 1 (May 2001): 134–88. http://dx.doi.org/10.1006/jdeq.2000.3855.
Full textBordenave, C. "Stability of spatial queueing systems." Advances in Applied Probability 38, no. 2 (June 2006): 487–504. http://dx.doi.org/10.1239/aap/1151337081.
Full textDissertations / Theses on the topic "Spatial stability analysis"
FLORES, EMERSON ALEX FIGUEROA. "PROBABILISTIC ANALYSIS OF SLOPE STABILITY CONSIDERING SPATIAL VARIABILITY OF SOIL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=12093@1.
Full textFreqüentemente as análises de estabilidade de taludes são feitas por métodos determinísticos, nos quais é obtido um Fator de Segurança (FS). Estes métodos não quantificam as incertezas existentes nas variáveis de entrada (parâmetros de resistência) na análise. Tampouco mostram detalhes sobre qual variável afeta mais o resultado. Os métodos probabilísticos permitem superar estes problemas. A presente pesquisa tem como objetivo comparar dois métodos probabilísticos geralmente utilizados (Estimativas Pontuais e Segundo Momento). Três projetos utilizados comumente na geotecnia são analisados: barragem de rejeitos, talude de solo e aterro sobre argila mole.Um aspecto importante na análise probabilística é a quantificação adequada do desvio padrão. É sabido que as propriedades dos solos mostram uma correlação no espaço, pelo que o desvio padrão calculado por métodos clássicos da estatística é superestimado em comparação ao valor real no campo. El-Ramly (2001) desenvolveu uma metodologia para o cálculo da probabilidade de ruptura considerando a correlação espacial das propriedades do solo. Esta metodologia é de difícil aplicação prática. Serão, portanto, avaliadas na presente pesquisa as técnicas geralmente usadas de probabilidade e estabilidade de taludes, juntamente com um fator de correção proposto por Vanmarcke (1977a). Estas técnicas de probabilidade de estabilidade de taludes são factíveis de serem utilizadas junto com este fator de correção. Verificou-se que o Método de Segundo Momento é de mais fácil utilização, e portanto adequado para emprego em projetos geotécnicos.
The analysis of slope stability is often determined by deterministic methods, in which a Factor of Security (FS) is obtained. These methods do not quantify the uncertainty in the input variables (strength parameters). Neither these methods show details which variable affects mostly the outcome results. The probabilistic methods allow overcoming these restrictions. This study aims at comparing two probabilistic methods of general use (Point Estimates and First Order Second Moment). Three projects commonly used in geotechnical engineering are analyzed: tailings dam, slope soil and embankment on soft clay. An important aspect of the probabilistic analysis is the proper quantification of the standard deviation. It is known that the soil properties show a correlation in space, so the standard deviation, calculated by traditional methods of statistics, is overestimated when compared to the real field value. El-Ramly (2001) developed a methodology for calculating the probability of failure considering the spatial correlation of the soil properties. This methodology is difficult to apply in practice. The present study will therefore evaluate the techniques generally used in probability of failure of slopes. These probability techniques applied to slope stability can be used together with a correction factor proposed by Vanmarcke (1977b). The Second Moment Method was found to be easier to use, and therefore more suitable for geotechnical projects.
MULLER, ANDRE LUIS. "NUMERICAL BOREHOLE STABILITY ANALYSIS CONSIDERING SPATIAL VARIABILITY AND FLUID-MECHANICAL COUPLING." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10457@1.
Full textEm geral, a análise da estabilidade e a análise das respostas de poços de petróleo são realizadas de forma determinística em relação às propriedades mecânicas e hidráulicas do meio rochoso. No entanto, sabe- se que os meios rochosos e em particular rochas sedimentares, podem mostrar um considerável grau de heterogeneidades, em micro, meso e macro-escala. Essas heterogeneidades produzem variabilidade espacial nas propriedades mecânicas e hidráulicas dos meios rochosos. Essa variabilidade mostra em geral um caráter espacial pronunciado. O presente estudo propõe o desenvolvimento de procedimentos de análise numérica, utilizando elementos finitos, de processos fluido mecânicos acoplados, monofásicos e bifásicos, que levem em conta a variabilidade espacial de propriedades hidráulicas e mecânicas e a variabilidade das condições iniciais de tensões e poro pressões. Nesse estudo, empregam-se os procedimentos numéricos desenvolvidos em duas fases distintas. Na análise probabilística da estabilidade de poços e na análise probabilística das respostas dos poços durante a produção, considerando o acoplamento fluido mecânico com fluxo bifásico.
In general, borehole stability analysis and borehole response analysis are carried out considering that both hydraulic and mechanical parameters of the rock mass are deterministic. However, it is a well known fact, that rock masses and in particular sedimentary rock masses may show a considerable degree of heterogeneity, in micro, meso and macro scale. These heterogeneities produce spatial variability in mechanical and hydraulic properties of the rock medium. This variability can be very pronounced. The present work proposes the development of numerical analysis procedures, using finite elements, in order to analyze single and two phases flow, coupled fluid mechanical processes that take into account the spatial variability of hydraulic and mechanical properties and the variability of the initial stresses and pore pressures. In this study, the developed numerical procedures are used in two distinct phases. In the borehole stochastic stability analysis and in the borehole stochastic response analysis during the production, considering fluid mechanical coupling and two phase flow.
Burke, Tommy. "Evaluation of visualisations of geographically weighted regression, with perceptual stability." Thesis, University of St Andrews, 2016. http://hdl.handle.net/10023/15680.
Full textWu, Kai. "Vibration and Stability of Continuous Systems| New Parametric Instability Analysis and Spatial Discretization Method." Thesis, University of Maryland, Baltimore County, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10841201.
Full textParametric instability in a system is caused by periodically varying coefficients in its governing differential equations. Parametric instability regions of a second-order non-dispersive distributed structural system in this work are obtained using the wave solution and the fixed point theory without spatially discretizing the governing partial differential equation. The parametric instability regions are classified as period-1 and period- i (i > 1) instability regions, where the former is analytically obtained, and the latter can be numerically calculated using bifurcation diagrams. The parametric instability phenomenon is characterized by a bounded displacement and an unbounded vibratory energy, due to formation of infinitely compressed shock-like waves. Parametric instability in a taut string with a periodically moving boundary is then investigated. The free linear vibration of the taut string is studied first, and three corresponding nonlinear models are introduced next. It is shown that the responses and vibratory energies of the nonlinear models are close to those of the linear model, which indicates that the parametric instability in the linear model can also exist in the nonlinear models.
A new global spatial discretization method for one- and two-dimensional continuous systems is investigated. General formulations for one- and two-dimensional systems that can achieve uniform convergence are established, whose displacements are divided into internal terms and boundary-induced terms. For one-dimensional systems, natural frequencies, mode shapes, harmonic steady-state responses, and transient responses of a rod and a tensioned Euler-Bernoulli beam are calculated using the new method and the assumed modes method, and results are compared with those from exact analyses. The new method gives better results than the assumed modes method in calculating eigensolutions and responses of a system, and it can use sinusoidal functions as trial functions for the internal term rather than possibly complicated eigenfunctions in exact analyses. For two-dimensional systems, natural frequencies and dynamic responses of a rectangular Kirchhoff plate that has three simply-supported boundaries and one free boundary with an attached Euler-Bernoulli beam are calculated using both the new method and the assumed modes method, and compared with results from the finite element method and the finite difference method, respectively. Advantages of the new method over local spatial discretization methods are fewer degrees of freedom and less computational effort, and those over the assumed modes method are better numerical property, a faster calculation speed, and much higher accuracy in calculation of high-order spatial derivatives of the displacement.
Nardelli, P. H. (Pedro Henrique Juliano). "Analysis of the spatial throughput in interference networks." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526201818.
Full textTiivistelmä Tässä työssä tutkitaan häiriörajoitteisten langattomien verkkojen tila-alueen suorituskykyä, olettaen verkkosolmujen sijoittuvan 2-ulotteisen Poissonin pisteprosessin mukaisesti, sekä olettaen lähettimien hyödyntävän Gaussisia pisteestä-pisteeseen -koodeja. Suorituskykyanalyysi pohjautuu stokastiseen geometriaan, tietoliikenneteoriaan sekä informaatioteoriaan. Suljetun muodon suorituskyky-yhtälöitä hyödyntäen arvioidaan suorityskykymetriikoita eri skenaarioissa. Työn aluksi esitetään uusi monihyppyverkkojen informaatiotehokkuuteen perustuva metriikka. Sen avulla voidaan tutkia onko tehokkaampaa käyttää useita lyhyen hypyn linkkejä vai pienempää määrää pidempien hyppyjen linkkejä. Yhden hypyn verkoissa tutkitaan mediaanpääsyprotokollia asynkronisissa verkoissa pakettien uudelleenlähetykseen perustuen ja verrataan tätä synkroniseen lähetykseen ilman vapaan kanavan tunnistusmekanismia. Työssä tutkitaan myös linkin efektiivisen suorituskyvyn ja verkon tila-alueen suorituskyvyn optimointia, jotta sopiva yhdistelmä mediaan pääsyn todennäköisyydelle, koodausnopeudelle ja uudelleenlähetysten maksimilukumäärälle löytyisi ja samalla maksimoisi jokaisen käytetyn metriikan ehdollistettuna paketin menetyksille ja jonon stabiilisuudelle. Lisäksi arvioidaan maksimaalista odotettavaa nettosiirtonopeutta tietyllä alueella, eli tila-alueen kapasiteettia, Gaussimaisen pisteestä-pisteeseen koodien kapasiteettialueisiin perustuen kahta eri dekoodaussääntöä hyödyntäen: (i) olettaen häiriön olevan kohinaa tai (ii) ilmaisemalla voimakkaimmat häiriösignaalit ja olettaen muiden olevan kohinaa. Jälkimmäinen osoittautui tehokkaammaksi menetelmäksi. Työssä osoitetaan myös, että samalla dekoodaussäännöllä ja verkon tiheydellä tila-alueen kapasiteetin saavuttava menetelmä on aina tehokkaampi kuin tavanomainen tila-alueen suorituskykyyn perustuva kiinteän siirtonopeuden menetelmä. Saavutettujen tulosten valossa työssä esitetään yleisiä suunnittelumenetelmiä mukautuville ad hoc -algoritmeille, joiden avulla voidaan parantaa tiedonsiirtoa häiriörajoitteisissa verkoissa, ehdollistettuna verkon solmujen sisäisille ja ulkoisille rajoitteille
Lutz, Eric Robert. "Spatial and temperal analysis of snowpack strength and stability and environmental determinants on an inclined, forest opening." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/lutz/LutzE0509.pdf.
Full textBressan, Nicola. "Spatial and temporal analysis of soil moisture patterns in an Alpine site in north Italy." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Find full textDiaz, Diaz Eliecer Rodrigo. "Hierarchical spatial structure and levels of resolution of intertidal grazing and their consequences on predictability and stability at small scales." Thesis, Rhodes University, 2009. http://hdl.handle.net/10962/d1005393.
Full textPeltonen, Joanna. "Effective Spatial Mapping for Coupled Code Analysis of Thermal–Hydraulics/Neutron–Kinetics of Boiling Water Reactors." Doctoral thesis, KTH, Kärnkraftsäkerhet, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-122088.
Full textQC 20130516
Peltonen, Joanna. "Development of effective algorithm for coupled thermal-hydraulics : neutron-kinetics analysis of reactivity transient." Licentiate thesis, Stockholm : Skolan för teknikvetenskap, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11033.
Full textBooks on the topic "Spatial stability analysis"
Kesoretskikh, Ivan, and Sergey Zotov. Landscape vulnerability: concept and assessment. ru: INFRA-M Academic Publishing LLC., 2019. http://dx.doi.org/10.12737/1045820.
Full textMiller, Nicholas R. Social Choice Theory and Legislative Institutions. Oxford University Press, 2016. http://dx.doi.org/10.1093/acrefore/9780190228637.013.1.
Full textBook chapters on the topic "Spatial stability analysis"
Donaghy, Kieran P. "Generalized Stability Analysis of a Non-Linear Dynamic Model." In Advances in Spatial Science, 243–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59787-9_12.
Full textDabaghian, Yuri. "Topological Stability of the Hippocampal Spatial Map and Synaptic Transience." In Topological Dynamics and Topological Data Analysis, 239–53. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0174-3_20.
Full textShuai, Zhikang. "Spatial-Scale Model Reduction of Multi-Microgrid Based on Dynamic Equivalent Theory." In Transient Characteristics, Modelling and Stability Analysis of Microgird, 161–84. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8403-9_7.
Full textCudjoe, F., and K. Esmaeili. "A stochastic spatial modeling approach for pit slope stability analysis using 3D limit equilibrium analysis." In The Evolution of Geotech - 25 Years of Innovation, 544–50. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003188339-68.
Full textChakraborty, Rubi, and Arindam Dey. "A Comparison of 1D and 2D Spatial Variability in Probabilistic Slope Stability Analysis." In Lecture Notes in Civil Engineering, 541–53. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6701-4_34.
Full textNichols, Ian, John S. Gierke, Thomas Oommen, and Maria Diletta Acciaro. "Significance of the Spatial Resolution of DEM in Regional Slope Stability Analysis Enguri Dam, Republic of Georgia." In Building Knowledge for Geohazard Assessment and Management in the Caucasus and other Orogenic Regions, 281–300. Dordrecht: Springer Netherlands, 2021. http://dx.doi.org/10.1007/978-94-024-2046-3_15.
Full textZhang, Wengang, Fansheng Meng, Jianxin Li, and Changjie He. "Seismic Stability Analysis of High Steep Slopes Considering Spatial Variability of Geo-Materials Based on Pseudo Static Method." In Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022), 1413–21. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11898-2_123.
Full textFeitosa, Flávia, Joana Barros, Eduardo Marques, and Mariana Giannotti. "Measuring Changes in Residential Segregation in São Paulo in the 2000s." In The Urban Book Series, 507–23. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64569-4_26.
Full textHerbert, Thorwald, Fabio P. Bertolotti, and German R. Santos. "Floquet Analysis of Secondary Instability in Shear Flows." In Stability of Time Dependent and Spatially Varying Flows, 43–57. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4724-1_3.
Full textChakraborty, S., E. T. Kolkovska, and J. A. López-Mimbela. "Stability of a Nonlinear Equation Related to a Spatially-inhomogeneous Branching Process." In Stochastic Analysis with Financial Applications, 21–32. Basel: Springer Basel, 2011. http://dx.doi.org/10.1007/978-3-0348-0097-6_2.
Full textConference papers on the topic "Spatial stability analysis"
Wei, Yingchun, Daiyong Cao, and Juemei Deng. "A new practical methodology of the coal bed stability evaluation: the trend and variation method." In International Symposium on Spatial Analysis, Spatial-temporal Data Modeling, and Data Mining, edited by Yaolin Liu and Xinming Tang. SPIE, 2009. http://dx.doi.org/10.1117/12.837308.
Full textGonzález, Eduardo, and Marcelo J. Villena. "Stability analysis for spatial attrition with n forces." In NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2012: International Conference of Numerical Analysis and Applied Mathematics. AIP, 2012. http://dx.doi.org/10.1063/1.4756415.
Full textGudmundsson, Kristjan, and Tim Colonius. "Spatial Stability Analysis of Chevron Jet Profiles." In 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference). Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-3599.
Full textWang, Yi, Qunsheng Cao, and Bingbo Su. "Spatial stability analysis for the geodesic FDTD algorithm." In 2011 IEEE International RF and Microwave Conference (RFM). IEEE, 2011. http://dx.doi.org/10.1109/rfm.2011.6168725.
Full textYaqin, Chen, and Wang Fei. "Spatial Stability Analysis of Single Tower Cable-Stayed Bridge." In 2018 International Conference on Engineering Simulation and Intelligent Control (ESAIC). IEEE, 2018. http://dx.doi.org/10.1109/esaic.2018.00075.
Full textEglite, Irina, and Andrei A. Kolyshkin. "Spatial Stability Analysis of Shallow Mixing Layers with Variable Friction Coefficient." In Modelling, Identification and Control. Calgary,AB,Canada: ACTAPRESS, 2014. http://dx.doi.org/10.2316/p.2014.809-036.
Full textWiegmann, Axel, Clemens Elster, Ralf D. Geckeler, and Michael Schulz. "Stability analysis for the TMS method: Influence of high spatial frequencies." In Optical Metrology, edited by Wolfgang Osten, Christophe Gorecki, and Erik L. Novak. SPIE, 2007. http://dx.doi.org/10.1117/12.726116.
Full textSalemi, Leonardo, and Marcio Mendonca. "Spatial and Temporal Linear Stability Analysis of Binary Compressible Shear Layer." In 38th Fluid Dynamics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-3841.
Full textChakraborty, Abhishek, Suneet Singh, and M. P. S. Fernando. "LINEAR STABILITY ANALYSIS OF SPATIAL XENON OSCILLATIONS INCLUDING THERMAL HYDRAULIC FEEDBACKS." In Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017). Connecticut: Begellhouse, 2018. http://dx.doi.org/10.1615/ihmtc-2017.730.
Full textKasama, K., and K. Zen. "Effects of Spatial Variability of Soil Property on Slope Stability." In First International Symposium on Uncertainty Modeling and Analysis and Management (ICVRAM 2011); and Fifth International Symposium on Uncertainty Modeling and Anaylsis (ISUMA). Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41170(400)84.
Full textReports on the topic "Spatial stability analysis"
Fardad, Makan, and Bassam Bamieh. Perturbation Methods in Stability and Norm Analysis of Spatially Periodic Systems. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada458858.
Full textJung, Paul H., Jean-Claude Thill, and Luis Armando Galvis-Aponte. State Failure, Violence, and Trade: Dangerous Trade Routes in Colombia. Banco de la República, December 2021. http://dx.doi.org/10.32468/dtseru.303.
Full textGiles Álvarez, Laura, Juan Carlos Vargas-Moreno, Alejandra Mejía, Aastha Patel, and Nerlyne Jean-Baptiste. Une approche spatiale pour analyser l’insécurité alimentaire dans le département du Nord-Ouest d’Haïti. Inter-American Development Bank, December 2022. http://dx.doi.org/10.18235/0004589.
Full textFinancial Stability Report - Second Semester of 2021. Banco de la República, September 2022. http://dx.doi.org/10.32468/rept-estab-fin.sem2.eng-2021.
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