Uniformity of powder mixing through simulation!
DEM-CFD coupling is a computational method that combines the Discrete Element Method (DEM) and Computational Fluid Dynamics (CFD) to simultaneously analyze the behavior of particles and fluids. - The forces exerted by the fluid on the particles (such as pressure, viscous stress, buoyancy, etc.) - The effects of the particles on the fluid (such as changes in flow path, flow velocity, pressure loss, etc.) can be calculated while interacting with each other, allowing for high-precision analysis of phenomena where particles and fluids strongly interact, particularly in cases where "high particle concentration leads to flow resistance due to particle motion, changes in porosity, and significant phenomena such as flow diversion and blockage." The software we offer, 'ThreeParticle/CAE,' employs the SPH (Smoothed Particle Hydrodynamics) method, which is a mesh-free approach, as a CFD solver. By performing bidirectional coupling with DEM, it enables integrated analysis of interactions with structures, mechanisms, and fluids. *For more details, please refer to the column on our company's website linked below!
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For more details, please see the product article from ThreeParticle.
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Applications/Examples of results
DEM-CFD coupled analysis is widely used in processes where powders, granular materials, and liquids or gases interact. One of the major features is the ability to visualize factors such as particle retention, deposition locations, and blockage causes from the velocity distribution, pressure distribution, and particle concentration distribution obtained through analysis, which are difficult to observe experimentally within the equipment. 【Main Examples】 ★ Fluidized Bed Drying and Granulation Focusing on the drying process within a fluidized bed where hot air is blown in from below to dry the material, it is possible to evaluate the occurrence of biased flow, flow conditions, and particle residence time. Understanding the interaction between particles and airflow leads to improvements in drying efficiency and quality. ★ Air Transport and Powder Conveying For granular materials moving through pipes or chutes, it is possible to analyze particle acceleration behavior, locations prone to accumulation, points of wear, and blockage risks. This is effective for improving conveying performance and reducing equipment troubles. ★ Slurry Transport The behavior and concentration of particles dispersed in a liquid, as well as the trajectories of the particles, can be evaluated. It is also utilized to understand particle dispersion characteristics and flow properties during stirring. There are many other examples as well. For more details, please visit our company's website mentioned above!
Company information
Our company develops and sells a "Maintenance Management System" for managing and operating various plants, factories, and other facilities and assets. Currently, this system is undergoing significant evolution into one that incorporates IoT technologies, such as sensor information and input from tablet devices, as well as AI technologies like machine learning, featuring functions for failure prediction and automatic scheduling. Additionally, as part of the recent trend towards digital transformation (DX), there is a growing movement to digitize and automate manufacturing processes and research and development sites in factories to enhance operational efficiency. In line with this trend, our company provides a solution aimed at improving efficiency in research and development environments, known as the Laboratory Information Management System (LIMS), which includes features such as workflow management, data tracking, data management, data analysis, and integration of electronic lab notebooks.
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