Numerical investigation of bubbles coalescence in a shear flow with diffuse-interface model

The Coalescence of Bubbles - a Numerical Study

The dynamics of bubble coalescence is studied using a robust numerical model for a multiphase flow system with interfaces. The effects of liquid viscosity and surface tension on bubble coalescence, for which Reynolds number ranges from 10 to 100 and Bond number ranges from 5 to 50, are investigated. It is shown that the numerical model used in this study can accurately capture the complex topol...

Numerical investigation on the pullout shear strength of soil-nail interface using finite element method

Soil nailing is a popular reinforcement method for stabilizing slopes, excavations, and retaining walls in many countries. The pullout capacity of the soil-nail interface is a critical parameter for the design and safety assessment of soil-nailed systems. In this paper, a three-dimensional (3D) finite element (FE) model is developed using the commercial program ABAQUS to simulate the pullout te...

A Numerical Investigation of Soil-Bedrock Interface Flow Impedance

It is common for subsurface flow to transition between porous and fractured media. Two examples include vertical infiltration of precipitation through a permeable soil overlying a fractured bedrock, and horizontal ground water flow through a combination of porous and fractured geologic units. A reduction in flow or flow impedance may occur across these interfaces caused by head losses associate...

A Diffuse-Interface Model for Structure Development in Flow

an investigation of the types of text reduction in subtitling: a case study of the persian film gilaneh with english subtitles

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