• Nenhum resultado encontrado

Numerical modelling

Determination of Volumetric Losses in Hydrodynamic Pump Using Numerical Modelling

Determination of Volumetric Losses in Hydrodynamic Pump Using Numerical Modelling

... This paper deals with the numerical modelling of the flow in the single-stage centrifugal pump. The main objective is to determine leakage losses through annular seals at the suction side of the pump. ...

8

Numerical modelling of bond in SRG-strengthened masonry

Numerical modelling of bond in SRG-strengthened masonry

... SRG strengthening method can be reliably used in practical applications only if their properties are known from experiments. Few existing studies on application of SRG strengthening technique prove its potentiality of ...

75

3D numerical modelling of subduction initiation at a passive margin

3D numerical modelling of subduction initiation at a passive margin

... and numerical approaches; however all of them treat the subduction zone as a 2D problem, despite these zones have a 3D ...use numerical modelling in 3D to investigate the effects of different ...

43

Numerical modelling of masonry vaults strengthened with transversal diaphragms

Numerical modelling of masonry vaults strengthened with transversal diaphragms

... This thesis is a result of a dissertation proposal made by the author. Therefore, I am highly grateful Prof. Daniel Oliveira that he decided to take me under his supervision although the subject was not connected with ...

98

Case study of stratospheric gravity waves of convective origin over Arctic Scandinavia – VHF radar observations and numerical modelling

Case study of stratospheric gravity waves of convective origin over Arctic Scandinavia – VHF radar observations and numerical modelling

... resolution numerical modelling can be a good complement to better characterize the physical processes associated with such ...with numerical modelling ...

12

Analytical and numerical modelling of damage and fracture of advanced composites

Analytical and numerical modelling of damage and fracture of advanced composites

... of numerical analyses on different generated distributions is per- formed in order to estimate the elastic constants of a composite material after homogenisation of the stress and strain fields obtained from the ...

316

Numerical Modelling of Subcooled Boiling Flow based on Mechanistic Approach: A Validation Study using Wet Steam (IAPWS) as Working Fluid Properties

Numerical Modelling of Subcooled Boiling Flow based on Mechanistic Approach: A Validation Study using Wet Steam (IAPWS) as Working Fluid Properties

... In the past decades, there have been a number of experimental works studying the pool boiling and the flow boiling [4], [5], [6], [7], [8] and [9]. These significant works allow us to develop and improve an accuracy of ...

9

Numerical modelling of the cyclic behavior of timber-framed structures

Numerical modelling of the cyclic behavior of timber-framed structures

... The fitting between experimental results obtained in the pull-out tests and the numerical response of the connection modelled with N- link elements having non-linear axial behavior (Pinching4 material model) is ...

12

Numerical modelling of intergranular fracture in polycrystalline materials and grain size effects

Numerical modelling of intergranular fracture in polycrystalline materials and grain size effects

... In order to investigate the effect of interfaces on the mechanical response of polycrystalline materials, a nonlinear fracture mechanics model is herein proposed. Intergranular fracture is depicted as a phenomenon of ...

10

Analytical and Numerical Modelling of the Filament Winding Process

Analytical and Numerical Modelling of the Filament Winding Process

... phenomenological modelling point of view, the autocatalytic model should be extended with a factor attributing greater decreasing slope upon reach of the characteristic ...

262

Numerical modelling of the thermospheric and ionospheric effects of magnetospheric processes in the cusp region

Numerical modelling of the thermospheric and ionospheric effects of magnetospheric processes in the cusp region

... Abstract. The thermospheric and ionospheric effects of the precipitating electron flux and field-aligned-current variations in the cusp have been modelled by the use of a new version of the global numerical model ...

13

Firedrake-Fluids v0.1: numerical modelling of shallow water flows using a performance-portable automated solution framework

Firedrake-Fluids v0.1: numerical modelling of shallow water flows using a performance-portable automated solution framework

... tions and attempts to solve it using a suite of iterative (as well as direct) numerical solution methods. Firedrake links with the PETSc library which contains a variety of linear solvers and preconditioners ...

40

Numerical Modelling of Steel Beam-Columns in Case of Fire - Comparisons with Eurocode 3

Numerical Modelling of Steel Beam-Columns in Case of Fire - Comparisons with Eurocode 3

... column at elevated temperature. using the material properties of Eurocode 3. The numerical resul!s have beell compared with those obtained with the Eurocode 3. Key words: [r] ...

29

Use of numerical modelling in the study of dispersion of pollutants emitted by the Presidente Medici coal power station.

Use of numerical modelling in the study of dispersion of pollutants emitted by the Presidente Medici coal power station.

... Dados meteorológicos coletados na Estação de Aceguá foram utilizados para a validação dos resultados meteorológicos simula- dos pelo modelo RAMS para a quarta grade (40 km x 40 km), cent[r] ...

14

Numerical modelling of thermodynamics and dynamics of sea ice in the Baltic Sea

Numerical modelling of thermodynamics and dynamics of sea ice in the Baltic Sea

... merical modelling of the Baltic Sea ice thermodynamics and dynamics; it is hardly possible to directly apply insights pro- vided by numerous studies in other regions, ...

20

Numerical Modelling of Troposferic Ozone in Catalunya

Numerical Modelling of Troposferic Ozone in Catalunya

... The UAM-V modelling system employs an updated ver- sion of the original Carbon Bond IV chemical kinetics mech- anism (Gery et al., 1989), which contains the CB-TOX mech- anism (Ligocki and Whitten, 1992; Ligocki ...

12

Short vertical-wavelength inertia-gravity waves generated by a jet–front system at Arctic latitudes – VHF radar, radiosondes and numerical modelling

Short vertical-wavelength inertia-gravity waves generated by a jet–front system at Arctic latitudes – VHF radar, radiosondes and numerical modelling

... using VHF radar, radiosondes and high-resolution non- hydrostatic modelling, for a 2-day period in February 2007. We have used squared buoyancy frequency, N 2 , as the pri- mary variable to illustrate the waves as ...

15

Numerical modelling of large landslides stability and runout

Numerical modelling of large landslides stability and runout

... Numerical models seem able of simulating some aspects of the flow behaviour of flow-like landslides and, ulti- mately, can be used to predict runout and to perform haz- ard zonation. Methods include sliding ...

16

NUMERICAL MODELLING OF COMPOUND CHANNEL FLOW

NUMERICAL MODELLING OF COMPOUND CHANNEL FLOW

... the numerical scheme is of an acceptable accuracy, especially for the u velocity component since the GCI is less than ...the numerical accuracy is ...the numerical accuracy of the scheme ...

226

Explicit and implicit approach of sensitivity analysis in numerical modelling of solidification

Explicit and implicit approach of sensitivity analysis in numerical modelling of solidification

... Keywords: Application of Information Technology to the Foundry Industry: Solidification Process: Numerical Tcchniqucs: Sensitivity Analysis; Borzndary Elcmcnt Mcthod.. Introd[r] ...

6

Show all 1961 documents...

temas relacionados