نتایج جستجو برای: fvm method
تعداد نتایج: 1630184 فیلتر نتایج به سال:
Despite rapid improvements in the performance of central processing unit (CPU), calculation cost simulating chemically reacting flow using CFD remains infeasible many cases. The application convolutional neural networks (CNNs) specialized image field prediction has been studied, but need to develop a network design fitted for recently emerged. In this study, model introducing finite volume meth...
Abstract Pillar collapses are events that due to their severe consequences can be classified as high risk. The design of pillars in underground room-and-pillar operations should migrate risk-based approaches. authors this work proposed a pillar methodology integrates stochastic discrete element modeling for strength estimation, and finite volume (FVM) stress estimation. This paper focuses on th...
Analysis of viral particle heterogeneity produced from infected cells has been limited by the inefficiency traditional analytical methods to characterize large populations viruses at an individual level. Flow virometry (FVM) is emerging technique based on flow cytometry principles that enables a high throughput, multiparametric, and phenotypic characterization single resolution. Here, we perfor...
Three dimensional CFD simulation of non-Newtonian flow for the underfill flow in flip chip packaging
In the present paper, a finite volume method (FVM) based software is used in the simulation of simulation of non Newtonian flow between two parallel plates and flip chip packaging are presented. 3D of two parallel plates with different gap heights are developed and simulated by Computational Fluid Dynamic (CFD) code, FLUENT 6.3.26. The power law equation was used to describe the NonNewtonian be...
The increasing imperviousness of urban areas reduces the infiltration and evapotranspiration capacity of urban catchments and results in increased runoff. In the last few decades, several solutions and techniques have been proposed to prevent such impacts by restoring the hydrological cycle. A limiting factor in spreading the use of such systems is the lack of proper modelling tools for design,...
The flow fields around single and two combinations of star shape artificial reefs are investigated both numerically and experimentally. The numerical model is based on the Reynolds Navier-Stokes (RANS) equations embedded with a RNG k-ε turbulence model and SIMPEC algorithm. The governing equations are solved by using finite volume method (FVM). Non-invasive particle image velocimetry flow field...
Abstract—In this work, numerical simulations were carried out using a specific CFD code in order to study the performance of an innovative Scraped Surface Heat Exchanger (SSHE) with helical ribbons for Bingham fluids (threshold fluids). The resolution of threedimensional form of the conservation equations (continuity, momentum and energy equations) was carried out basing on the finite volume me...
Crack growth analysis has remained one of the challenging problems in the fracture mechanics of structures. On the other hand, the fatigue crack growth is a common phenomenon in the components of structures like airplanes, navies and fluid storages where the fracture due to crack should be considered in the design of these structures. In this paper, the finite volume method (FVM) is extended fo...
The pipe systems of hydropower plants are complex and feature special types various devices. When the Method Characteristics (MOC) is used, interpolation or wave velocity adjustment required, which may introduce calculation errors. second-order Finite Volume (FVM) was presented to simulate water hammer load-rejection process a plant with an air cushion surge chamber, has rarely been considered ...
A Meshless Numerical Modeling Method for Fractured Reservoirs Based on Extended Finite Volume Method
Summary In this paper, a meshless numerical modeling method named mesh-free discrete fracture model (MFDFM) of fractured reservoirs based on the newly developed extended finite volume (EFVM) is proposed. First, matching and nonmatching point cloud generation algorithms are to discretize reservoir domain with networks, which avoid gridding challenges in traditional mesh-based methods. Then, taki...
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