... hydrodynamics simulations were conducted in which combinations of tide and wave forcing with different return period only show at the end of the simulation (hr 126) Contour scales for the velocity ... of the waves in sediment transport The most notable difference between the two simulations (Figs 9, 10) is that the mud transported southward and southwestward from the river is reduced with the ... material on the canal Nam Trieu even during fair-weather conditions During storm conditions, mud from the updrift nearshore region was moved to a deltaic formation off the tip of the south shoal...
Ngày tải lên: 14/03/2014, 15:20
... hydrodynamics simulations were conducted in which combinations of tide and wave forcing with different return period only show at the end of the simulation (hr 126) Contour scales for the velocity ... of the waves in sediment transport The most notable difference between the two simulations (Figs 9, 10) is that the mud transported southward and southwestward from the river is reduced with the ... material on the canal Nam Trieu even during fair-weather conditions During storm conditions, mud from the updrift nearshore region was moved to a deltaic formation off the tip of the south shoal...
Ngày tải lên: 09/08/2014, 17:23
Numerical simulation of interfacial and multiphase flows using the front tracking method
... how the current method handles the merging of bubbles In the pursuit of improving the flow solver further, we also investigate the reformulation of the governing flow equations through the use of ... affect the accuracy of the simulation results Therefore, it is of key importance that the front mesh has a more or less constant quality and uniform resolution throughout the duration of the simulation ... where xk is the mass centre of the k-th surface element The net surface tension force Fσ,k on the k-th element is then simply calculated as the sum of the surface tension forces Fσ,k,i on the three...
Ngày tải lên: 11/09/2015, 10:14
Model development for numerical simulation of the behaviors of ph stimulus responsive hydrogels
... Model The swelling behavior of hydrogel can be described by variety of theoretical frameworks The ultimate goals of all these theoretical models are to predict the swelling behavior, the degree of ... one, then the experimental results can be interpreted within the theoretical frame work to asses the role of various mechanisms in the observed responses It is also noted that the numerical simulations ... experiments and analytical theory It offers great deal of advantages, for instance, the freedom to control the parameters of the system and properties of the material, direct access to the microscopic structures...
Ngày tải lên: 15/09/2015, 17:09
THE EFFECTS OF MICROCHANNEL GEOMETRY ON HEAT TRANFER BEHAVIORS FOR TWO PHASE FLOW BY NUMERICAL SIMULATION NGHIÊN cứu ẢNH HƯỞNG của HÌNH DÁNG HÌNH học KÊNH MICRO đến các đặc TÍNH TRUYỀN NHIỆT CHO DÒNG CHẢY HAI PHA BẰNG PHƯƠNG PHÁP mô PHỎNG
... the top side of the substrate The PMMA has the thermal conductivity of 0.19 W/(mK) and density of 1,420 kg/m3 The Figure shows the dimensions of a microchannel heat exchanger Table presents the ... Figure The location of full evaporation of the water, for case Figure The temperature distribution for the middle slice of the channel Figures and show the thermal field and the curve of temperature ... the end of the channel is about 119 °C Figure shows the comparison between the simulation and experiment about the temperature in the case of inputs: heat power of 176W, ambient temperature of...
Ngày tải lên: 16/01/2016, 13:29
Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
... radius of the surrounding bedrock in future models Another common approximation for the U-pipe model (Mu) is using one pipe centred in the middle of the borehole instead of the U-pipe, the Equivalent ... at the outer U-pipe wall In a full-scale BHE the temperatures and heat flux will change along the length of the borehole so that neither approximation will cover the real case The effect of choosing ... many other filling materials The thermal resistance in the borehole is of great importance for the design of the system A high resistance will result in a larger temperature difference between the...
Ngày tải lên: 05/09/2013, 14:58
Numerical simulation and performance test of metal hydride hydrogen storage system
... properties of the hydride materials used in the paper are shown in Table and the thermo-physical properties of materials used in the simulation are shown in Table Figure The physical model of metal ... concentrates on the main characteristics of the heat and mass transfer processes in the metal hydride reactor They indicate the movement of the hydration front, heat transfer and hydrogen filtration The ... kinetic behavior, the strict demands also put on the reactor design There are four major concerns of the design of metal hydride reactor, such as enhancement of thermal conductivity of unmodified...
Ngày tải lên: 05/09/2013, 14:58
Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... near the ceiling (caprock) of the aquifer, the saturation of gaseous phase (SG) near the top-most layer of the simulation domain is examined to estimate the CO2 migration In the plan-view of the ... 391 The lateral extent of the CO2 plume is determined by examining the gaseous phase distribution at the ceiling of the aquifer The intersection of the SG curve with the x-axis indicates the ... associated with them; the optimization of the storage efficiency of an aquifer is of great interest in GCS Therefore, a simulation tool that has the capability of determining the optimal solutions...
Ngày tải lên: 05/09/2013, 16:10
Numerical Solutions of the Black Scholes Equation
... 8 Numerical Solutions of the Black Scholes Equation The left-hand side of the heat equation, on the other hand, cannot be unambiguously approximated The following are some of the more ... exponentials of the first column Note that the S values in this grid correspond to those of the Jarrow– Rudd scheme of Figure 7.4 If the reader is unsure of the reason for this, he will find the answer ... α = and six steps in the x-direction; these values are chosen to make the set-up as close as possible to the binomial example of the last chapter 97 Numerical Solutions of the Black Scholes Equation...
Ngày tải lên: 25/10/2013, 19:20
Tài liệu Báo cáo "Numerical simulations of overland floods in urban areas using a conservative Godunov-type scheme " pptx
Ngày tải lên: 13/02/2014, 12:20
Tài liệu The Dynamic Retention Model for Air Force Officers- New Estimates and Policy Simulations of the Aviator Continuation Pay Program doc
... component to the model of the choice of the length of stay The decision depends on the value of the unobservable taste We can now construct the probability of observing a series of stay decisions ... The value of the shock is unknown in advance to either the officer or the analyst The shock affects the value the individual places on staying in the military until the next decision The shock can ... using the maximum of the expected value of the two coin flips—$0.50— rather than the expected value of the maximum—$0.75.) This approximation resulted in a model that the computer hardware and software...
Ngày tải lên: 17/02/2014, 23:20
Tài liệu Báo cáo khóa học: Numerical calculations of the pH of maximal protein stability pptx
... broad range of pHs to be compared The origin of the optimum pH The position of the optimum pH depends on the amino acid composition and on the organization of the amino acids within the 3D structure ... it [33–36] The success of the modeling of the pH dependent free energy of folding critically depends of the accuracy of the calculated pKas of the ionizable groups Recent benchmarks of MCCE on ... state The points offset from the diagonal manifest the importance of the 3D structure In each case where the 3D structure causes a shift of the solution pKa of ionizable groups, the stability changes...
Ngày tải lên: 19/02/2014, 12:20
Báo cáo " PRELIMINARY ASSESSMENT AND SIMULATION OF THE WATER QUALITY OF CAU RIVER, BAC NINH PROVINCE BY MATHEMATICAL MODEL " pptx
... standard of Vietnam (TCVN 5942/95/B) [4, 9] The two reasons for this situation are the discharges of cattle waste into channels then to river and the uses of fertilizer The concentrations of DO, ... craft village) brought about serious pollution for the reach run thought there The cause is the discharging directly untreated waste water into the stream [1] In general, except a few heavy pollution ... desired by the user The model is applicable to dendritic streams that are well mixed It uses a finite-difference solution of the advective-dispersive mass transport and reaction equations The model...
Ngày tải lên: 05/03/2014, 10:20
Đề tài " Numerical characterization of the K¨ahler cone of a compact K¨ahler manifold " doc
... components of the open set P = {det(α) > 0} of hermitian forms of positive determinant (the other components, of course, are the sets of forms of signature (p, q), p + q = n, with q even) One of the ... investigate the behaviour of the K¨hler cones Kt of the various a −1 (t), as t runs over S Because of the assumption of local fibres Xt = π triviality of π, the topology of Xt is locally constant, and therefore ... ∧ ω p−1 ≥ ¨ NUMERICAL CHARACTERIZATION OF THE KAHLER CONE 1249 In other words, the dual of the nef cone K is the closed convex cone generated by cohomology classes of currents of the form [Y...
Ngày tải lên: 05/03/2014, 23:20
Báo cáo khoa học: Mathematical modelling of the urea cycle A numerical investigation into substrate channelling docx
... added to the cells, in order to assess the influence of these added substrates on the rate of urea synthesis Model Written in Mathematica, the basic model simulates the timedependent flux of metabolites ... equations using these matrices Results Simulation in the absence of added metabolites The Mathematica program stores the numerical solution of the differential equations as a set of interpolating ... Simulating the effect of the addition of mM unlabelled arginine on the distribution of radioactivity in cytoplasmic intermediates of the urea cycle As the pattern of distribution of radioactivity...
Ngày tải lên: 08/03/2014, 08:20
Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires
... atoms near the surface, as compared with those in the bulk, and the increasing dominance of the surface would decrease the strength of the structure 3.2 The melting properties of the SiNWs The variation ... [30], and in the present simulation the load is along the [11 0] orientation and the resolved shear stress on the (111) plane causes the sliding After the formation of the neck, the plastic deformations ... properties of SiNWs The loading state in the present tension simulations is as follows: the relative positions of atoms within the five atomic layers at the top and bottom of NWs are fixed during simulations,...
Ngày tải lên: 16/03/2014, 15:18
Báo cáo khoa học: Characterization of the molten globule state of retinol-binding protein using a molecular dynamics simulation approach ppt
... least in part, for the similar behaviour of these regions in the simulations The central region of the a-helix is also very persistent in the group 4829 MD simulations of the RBP molten globule ... reported study of the lipocalins [15] MD simulations of the RBP molten globule state of a glutamate side chain within the loop In RBP, the simulation results suggest that the disorder in the E to F ... increase of 251 A2 in the solvent accessible surface area of the protein Comparisons of the side chain solvent accessibility of the X-ray structure of RBP (without retinol bound) with that of the...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: Quantitative assessment of the glyoxalase pathway in Leishmania infantum as a therapeutic target by modelling and computer simulation pot
... extreme modulations of enzyme activities In particular, in the combinations involving the decrease of glyoxalase II activity the effect is equivalent to the modulation of the other parameters alone, ... minimization of the difference between experimental time course data and the corresponding values predicted by the solution of the differential equations derived from a mathematical model of the kinetic ... in the LSODA routine of odepack [40] Modelling and computer simulation Mathematical modelling and computer simulation were used to evaluate the relative importance of critical parameters of the...
Ngày tải lên: 23/03/2014, 13:20
DIRECT NUMERICAL SIMULATIONS OF GAS–LIQUID MULTIPHASE FLOWS pot
... along the curve, the change of the unit tangent vector must be in the normal direction The magnitude of the change of the tangent vector, with respect to the arc length s, is the curvature of the ... whole flow field The “one-fluid” form of the equations plays a fundamental rˆ le for the numerical methods discussed in the o rest of the book 2.1 General principles The derivation of the governing ... accumulation of mass inside it, so the mass flux into the control volume must be equal to the flow out If the velocity on one side of the interface is u1 and on the other it is u2 and the normal velocity of...
Ngày tải lên: 28/03/2014, 09:20
UPSIDE-DOWN CINEMA: (DIS)SIMULATION OF THE BODY IN THE FILM EXPERIENCE pot
... reversed.”6 The insight moment of the experiment, therefore, is when the glasses are removed and the initial “normal” situation is restored: the new “image of the world” brings into question the old ... presents itself against the background of the former space, and, as far as the unseen parts of the body are concerned, right and left preserve their former localization to the end of the experiment.”9 ... by other subjects By expanding the hypothesis of embodied simulation1 1 to the film experience, it can be hypothesized that, although the spectator’s physical body remains still ‘in front of the...
Ngày tải lên: 30/03/2014, 12:21