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Micro fluidized bed is a promising reactor for a variety of industrial processes. It is important to understand the hydrodynamics of gas-solid fluidization of the micro fluidized beds with different oblique angles. This study numerically investigated the effects of oblique angle on the fluidization behavior and pressure drop in the micro fluidized beds by Computational Particle-Fluid Dynamics (CPFD)...
In this paper, based on manifold harmonics, we propose a novel framework for 3D shape similarity comparison and partial matching. First, we propose a novel symmetric mean-value representation to robustly construct high-quality manifold harmonic bases on nonuniform-sampling meshes. Then, based on the manifold harmonic bases constructed, a novel shape descriptor is presented to capture both of global...
We combined a cylinder with deformation and accomplished the visualization for creating animation of the growth of fruit from opening flower to yield fruit. The beginning model is a cylinder that simulate plant stem, and adds perturbation function to the cylinder surface in the direction of the unit surface normal. We may distort a cylinder to the geometry shape of flower and fruit. The perturbation...
Aiming at the multi-objective parameter optimization problem of black box system in the digital design/simulation environment, a multi-objective parameter optimization model based on the orthogonal design/uniform design and artificial neural network-genetic algorithms ANN-GA is established. In this method, the principle of experimental design is used to arrange a test or virtual test project. The...
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