sph algorithm for numerical fluid structure interaction studies in porous media new trends and achievements

Numerical simulation of compressible fluid structure interaction in one and two dimension

Ngày tải lên : 27/11/2015, 11:12

... Cheong and Dr Liu Tiegang for introducing me to the fascinating and challenging field of Fluid Structure Interaction I would like to thank them for their invaluable guidance and support and encouragement ... particularly interested in simulating the interaction between fluid and solid when the fluid flow is in compressible regime involving shock or rarefaction waves and flow may even cavitate and the structure ... the interface: There are two standard approaches for treating the moving interface in multi-material flow and solid-solid interactions One is front tracking and the other is front capturing In...

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Analysis of dirichlet neumann and neumann dirichlet partitioned procedures in fluid structure interaction problems

Ngày tải lên : 29/09/2015, 13:01

... By combining the governing equations for fluid and incompressible structure, and their coupling conditions at the interface, we have the full FSI problem in the strong form, i.e Fluid structure ... string 1D model where the unsteady Stokes equation is used for fluid domain and a string model for membrane is used for the structure domain In these two 1D models, Chapter Introduction the FS interface ... outline of the thesis is as follows: In Chapter 2, we first introduce linear elastodynamics equation for the structure domain and incompressible Navier-Stokes equation for the fluid domain Since...

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Báo cáo hóa học: " Research Article A Scheduling Algorithm for Minimizing the Packet Error Probability in Clusterized TDMA Networks" pptx

Ngày tải lên : 21/06/2014, 22:20

... all the instantaneous link gains are frequently measured and made available to the scheduler, resulting in much added overhead and complexity In this work, we include Rayleigh fading and log-distance ... veriﬁed by comparing the PER for the node-sink link of node m, denoted by P e,m , with Ploss for the same link An analytical expression for P e,m can be obtained by integrating the instantaneous ... that maximizing the utility function in (7) is diﬀerent from maximizing the average SINR With the utility in (7), increasing the SINR for a node beyond the point where Ploss ≈ does not increase...

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báo cáo khoa học: " Engaging national organizations for knowledge translation: Comparative case studies in knowledge value mapping" pps

Ngày tải lên : 10/08/2014, 11:20

... print and e-zine publications for members ISAAC and RESNA both search frequently to keep their memberships informed about current findings and in support of their journals and newsletters As interdisciplinary ... and potential impact ASHA continuously searches for new findings in support of three programs: (1) informatics–requires updates on surveillance and epidemiological data, for assessing needs for, ... for, and impact of, AAC services and regulations; (2) education–keeping members informed about current AAC findings; and (3) dissemination–content for a column on current research findings in both...

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Báo cáo y học: "A proposed algorithm for initiation of renal replacement therapy in adult critically ill patients" pps

Ngày tải lên : 13/08/2014, 19:20

... of clinical and/ or biochemical changes (including urea and creatinine) [16] The objective of this algorithm is to provide a starting point to guide clinicians on when to consider use of RRT in ... therapeutic and supportive measure and is commonly used in clinical practice However, there remains uncertainty about the ideal circumstances in which to initiate RRT and for what indications ... JA; Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators: Septic acute kidney injury in critically ill patients: clinical characteristics and outcomes Clin J Am...

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Báo cáo y học: "An annotated cDNA library and microarray for large-scale gene-expression studies in the ant Solenopsis invicta" pot

Ngày tải lên : 14/08/2014, 17:22

... Falquet, P Sperisen and Vital-IT at the Swiss Institute of Bioinformatics for advice and access to bioinformatics resources; C LaMendola for help with ant sampling, RNA collections and microarray ... 300 spotting robot (GeneMachines, San Carlos, CA, USA) Spot and printing quality were assessed visually under a dissecting microscope after printing While a few slides had minor defects (for example, ... 8:R9 information 29 interactions Hölldobler B, Wilson EO: The Ants Berlin: Springer-Verlag; 1990 Bourke AFG, Franks NR: Social Evolution in Ants Princeton: Princeton University Press; 1995 Robinson...

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A genetic algorithm for power aware virtual machine allocation in private cloud

Ngày tải lên : 23/08/2016, 23:11

... In a university, a private cloud is built to provide computing resource for needs in teaching and researching In the cloud, we deploy installing software and operating system (e.g Windows, Linux, ... Quang-Hung et al interested in virtual computing lab, which is a cloud system to provide resources for teaching and researching There are many studies on energy efficient in datacenters Some studies proposed ... 16 cores in the Table The baseline scheduling algorithm (BFD), which sorts list of virtual machines in start time (i.e earliest start time first) and using best-fit decreasing (i.e least increased...

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DSpace at VNU: A Model for Real-time Concurrent Interaction Protocols in Component Interfaces

Ngày tải lên : 11/12/2017, 11:12

... specify interaction protocols for the interface of components Our model can specify many aspects for interaction: the temporal order between services, concurrency for services, and timing constraints ... concurrent interaction protocol π” is decidable in time O(|R(A )|2 ) We sumarizes our results in the following deciding procedure: Algorithm (Deciding if a timed automaton satisfies a real-time interaction ... has been introduced in [4] However, there has not been an intuitive and powerful model for real-time interaction protocols This kind of model plays an crucial role in systems ∗ Corresponding author...

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Assessment of the Use of Hand Warmer for Nitrate Retardation in Porous Media

Ngày tải lên : 05/09/2013, 10:15

... coefficient Results indicated that the retardation factor increased with the increase in the amount of HWCs and reached up to 3.3 and 1.7 in silica sand and Andisol, respectively In particular, the ... top and bottom of the saturated media, while maintaining the saturated condition of porous media Steady saturated flow field was established in the column when fluctuations in the observed drainage ... HWCs and retardation factor and (b) retardation factor and distribution coefficient In addition, both the range and value of retardation factor in Andisol are smaller than those in silica sand for...

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studies in contemporary jewry public religion and private faith in america and israel

Ngày tải lên : 03/06/2014, 00:44

... our leader not only for 40 years in the wilderness of Sinai, but for thousands of years in all the wildernesses in which we have wandered since the Exodus.”2 In making his case for a revitalized ... Jewish Law and Standards in 1948, the gap in institutional cultures between JTS and the Rabbinical Assembly widened The faculty and administration of JTS in general, and the Talmud department in particular, ... living in a given community and the individuals who join their religious movements The contemporary rabbinic dilemma is rooted in two innovative forms of rabbinic authority that developed in...

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steady state compressible fluid flow in porous media

Ngày tải lên : 27/07/2014, 23:44

... with increasing length of porous media The compressibility of a fluid (C f) is defined as: www.intechopen.com Steady State Compressible Fluid Flow in Porous Media  C f 473 d  dp (13) Combination ... any fluid with the Darcy equation; shown by (Ohirhian, 2008) to be an incomplete expression for the lost head during laminar (viscous) flow in porous media and the equation of continuity for ... In a pipe the kinetic contribution to the pressure drop is very small and can be neglected What of a homogeneous porous medium? Kinetic Effect in Pipe and Porous Media An evaluation of the kinetic...

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Báo cáo lâm nghiệp:"Aboveground biomass relationships for beech (Fagus moesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp." ppt

Ngày tải lên : 08/08/2014, 01:21

... (1)) into two types: the “intrinsically linear” type which assumes a multiplicative error in raw data and the “intrinsically nonlinear” type with an additive random error In the “intrinsically linear” ... (MFT) and for the mass of leaves found in the canopy (MFC) In the following equations, H is introduced as the second independent variable and slightly better predictions for MFT and MFC were obtained ... allometric parameters Payandeh [22] reviewed and compared the log-transformed linear model with the simple nonlinear form and pointed out that the latter model resulted in better fit for two datasets...

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Lyrical fiction in modern china studies in yu dafu, fei min , and shen congwen

Ngày tải lên : 16/09/2015, 08:31

... FICTION IN MODERN CHINA: STUDIES IN YU DAFU, FEI MING, AND SHEN CONGWEN 徐舒虹 XU SHUHONG (M.A, NUS) 新加坡国立大学中文系博士学位论文 A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHINESE STUDIES ... Fei Ming, and Shen Congwen’s works, this research points out that modern Chinese lyrical fiction contain the following features First, it reveals the inner world of the narrator or leading characters ... analysis, and structuralism— to the analysis of modern Chinese lyric fiction This thesis first explores the origins and development of lyrical tradition in Chinese literature It then examines this...

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A numerical study of wave propagation in poroelastic media by use of the localized differential quadrature (LDQ) method

Ngày tải lên : 26/09/2015, 09:39

... University of Singapore and Institute of High Performance Computing for providing resources and funding for my research scholarship throughout this Master’s degree There are many people to thank for their ... solid and fluid phases and the circular frequency to get a thorough understanding of the properties of wave scattering in poroelastic media In accordance with Biot’s results, an interesting phenomenon, ... models the interaction of solid deformation and fluid flow The deformation of the solid matrix influences the flow of the inside fluid and vice versa Poroelastic medium is different from pure porous...

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Guidelines for the use of antiretroviral agents in HIV 1 infected adults and adolescents

Ngày tải lên : 23/06/2017, 19:52

... prolongs the half-life and increases the Cmin of indinavir [72] This combination allows for twice daily dosing and eliminates the meal restrictions required when using unboosted indinavir Despite its ... Ritonavir inhibits CYP 3A4 isoenzymes in both the intestine and the liver Adding low dose ritonavir to saquinavir results in a significant increase in oral bioavailability and delay in saquinavir ... receiving these drugs should have frequent monitoring for clinical symptoms of hepatitis and laboratory monitoring for hepatotoxicity, including serum aminotransferases, bilirubin, and alkaline...

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Domestic public debt in low income countries trends and structure

Ngày tải lên : 03/07/2018, 11:03

... analyze the debt structure and financing terms – including on-budget interest payments, type of instruments, maturity, and investor base – using the Debt Structure Sample and the Debt Structure Short ... change in the composition of financing sources, related also to decreasing foreign aid and increasing foreign direct investment and remittances, could have several implications for debt sustainability ... location, 29 countries are in Sub-Sahara Africa, in East Asia and Pacific, in Europe and Central Asia, in South Asia, one in Latin America and the Caribbean, and one in Middle East and North Africa As...

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boundary element methods for soil structure interaction

Ngày tải lên : 17/08/2013, 11:30

... SOIL -FLUID- STRUCTURE INTERACTION 7.2 MODAL REDUCTION FOR SSI 7.2.1 Selecting Dynamic Interface Modes 7.2.2 Selecting Input Shapes for Static Correction 7.3 SSI ON A RANDOM SOIL 7.4 SFSI FOR PERIODIC ... Soil -Structure Interaction as it is currently used in engineering practice with reference to buildings and bridges Initially two brief literature reviews are given separately for buildings and ... Soil -Structure -Fluid Interaction in arch dams and sheet-piles, SoilStructure Interaction for a nuclear reactor resting on a layered half-space with random heterogeneities and to geophysics boreholes...

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A dynamic programming algorithm for RNA structure

Ngày tải lên : 12/01/2014, 22:07

... represented in the form indicated in Figure The ®lled inner space indicates that we not know how many interactions (if any) occur for the nucleotides inside, in contrast with a blank inner space which indicates ... have been introduced both for RNA single-sequence folding and for RNA structural alignment and structural similarity searches The Inside and CYK dynamic programming algorithms used for SCFGbased ... fragment inside is known to be unpaired The wavy line in vx indicates that i and j are de®nitely paired, and similarly the discontinuous line in wx indicates that the relation between i and j is...

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Development of smoothed methods for fluid structure interactions

Ngày tải lên : 09/09/2015, 10:06

... reviewed in the following section 19 Chapter 1.3 Introduction Fluid- structure interactions The fluid- structure interaction analysis originates from the traditional industrial applications, including ... 1978, Bathe et al [116] in 1979, and Hughes et al [117] in 1981 for solving fluid- structure interactions, free surface problems, pressurized bubbles and fluid sloshing and swirling problems The subsequent ... 86] and water-tank [87-89] interactions during the earthquakes, the ship oscillation in the open sea [90, 91] and the pipe line vibration containing flowing fluid [92, 93] In recent years, the fluid- structure...

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