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We describe the underlying mathematics, validation, and applications of a novel Helmholtz free-energy—minimizing phase-field model solved within the framework of the lattice Boltzmann method (LBM) for efficiently simulating two-phase pore-scale flow directly on large 3D images of real rocks obtained from micro-computed tomography (micro-CT) scanning. The code implementation of the technique, coined...
Heat transfer in a hydrodynamic journal bearing is investigated. Three-dimensional, two-phase, transient, and laminar flow of oil and air inside the bearing is simulated. In order to determine the thermal boundary condition of the outer walls of the bearing, the turbulence airflow around the bearing is simulated. The geometric model of the bearing and its surrounding is produced. Due to the complexity...
In this work, we present recent enhancements and new functionalities of our flow solver in the partial differential equation framework Peano. We start with an introduction including an overview of the Peano development and a short description of the basic concepts of Peano and the flow solver in Peano concerning the underlying structured but adaptive Cartesian grids, the data structure and data access...
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