Stepbystep guide on how to simulate particle tracing in a laminar static mixer, using comsol multiphysics and the particle tracing module. The acdc module can be easily be combined with the new particle tracing module for computing charged particle trajectories in electromagnetic fields. Particular functionality may be common to several products. Source terms can be added to the equations in comsol multiphysics as weak contributions with the help of test functions. Comsol is the developer of comsol multiphysics software, an interactive environment for modeling and simulating scientific and engineering problems. This video shows you how to set up, solve, and postprocess the model of a magnetic lens with many moving discrete particles. For users of the particle tracing module, comsol multiphysics version 5. The structural mechanics module has numerous capabilities, enough for a video containing all of them to last days. Particle tracing in laminar flow using comsol duration. The video shows you how to model both the fluid flow and particle. The fluid particle interaction interface creates a singlephase flow interface, a particle tracing in fluids interface, and the fluid particle interaction multiphysics coupling. Particle tracing module mathematical particle tracing specify the equations of motion using massless, newtonian, lagrangian or hamiltonian formulations complete freedom over the equations solved allows, for example, ray tracing to be modeled charged particle tracing.
Particle tracing is now available as a physics interface. If you are reading the documentation as a pdf file on your computer, the. New multiphysics interfaces for particle tracing comsol. Particle tracing in laminar flow using comsol youtube. New particle tracing features in comsol multiphysics. A custom interface is available for modeling the trajectory of electrons and ions in an. The effects that need to be taken into account are heat transfer, transport of water vapor, and fluid flow. Particle tracing module application gallery examples comsol.
This feature, new with comsol multiphysics version 5. Application library path for an example showing the rotating frame feature. A particle counter feature is a domain or boundary feature that provides information about particles arriving on a set of selected domains or surfaces from a release feature. A warning is now issued if you use a reserved name for a builtin function such as. Browse these subsurface flow module updates in more detail below. Unfortunately, the particle shape of the module only allows for. Here i show you how to set up a laminar flow, steady problem with particle tracking. In this benchmark problem, model thermionic emission in a planar diode and compare the results to analytical data. Browse all of the new features and functionality in the particle tracing module. The new plane symmetry boundary condition has been added to allow specification of a symmetry plane in 2d. These release notes provide information regarding new functionality in version.
Particle tracking in a laminar static mixer comsol multiphysics. At the end, i demonstrate how to count particles on a wall. Read more about these new features in the particle tracing. The static mixer model uses one study to compute the flow. Review all of the particle tracing module updates in more detail below. Comsol analysis of acoustic streaming and microparticle. Thermionic emission in a planar diode tutorial model. The particle tracing module extends the functionality of the comsol environment for computing the trajectory of particles in a fluid or electromagnetic field, including particle particle, fluid particle, and particle field interactions.
Magnetic lens this model uses the new charged particle tracing user interface to compute the trajectories of electrons in a spatially varying magnetic field. Using this module, you can study how metallurgical phase transformations change the microstructure of a metallic material during a heating or cooling process. It is now possible to plot the inverse function in addition to plotting the function itself for interpolation functions that you define. This is a multiphysics model because it involves fluid dynamics coupled with heat transfer. Such quantities include the number of particles transmitted, transmission probability, transmitted current, mass flow rate, and more. All this can, for example, be achieved using acoustic radiation forces and the. This video shows you how particle tracking in a laminar static mixer can be simulated with comsol multiphysics and the particle tracing module. Modeling of humidification in comsol multiphysics 4. Comsol, the leading provider of multiphysics modeling and simulation software, has released update3 for version 5. If you have a specific model in mind, you can search for its full or partial name. Screenshot of the model library list in comsol multiphysics with all of the installed addon modules. The pressure and the velocity field are the solution of the navierstokes equations. Electron beams are focused via the magnetic field surrounding a.
Given the large magnetic fields, the particle should track the b field streamlines i have confirmed this using the postprocessing particle tracing i would prefer not to use this as i would like to calculate the number of particles which leave the upper surface that reach the solenoid at the bottom, this seems simple to do using the cpt module. It also evaluates the index of dispersion, which is a measurement of the. Where can i find comsol multiphysics tutorial models. The wet surface feature is used to implement the source term for the water vapor and to. Using the particle tracing for fluid flow interface and the laminar flow interface, you can model the fluid flow and particle trajectories. How to simulate particle tracing in a laminar static mixer. This tutorial shows stepbystep how to simulate the motion of a plume of dust particles as they are carried down an office hallway, pass into a 10x10 office, and out through open windows. Try it yourself with this tutorial model of a capacitive position sensor. When the link is outside of the current pdf document, the text indicates this, for example see the laminar flow interface in the.
The metal processing module is a new addon to comsol multiphysics. Particle tracing can be used as an alternative to the finite. Use this interface to model the flow of particles in a fluid when the mass flow rate is constant. Learn how to simulate particle tracking in a laminar static mixer using comsol multiphysics and the particle tracing module. This multiphysics coupling also requires the acdc module. How to simulate particle tracing in a laminar static mixer youtube. Use this model or demo application file and its accompanying instructions as a starting point for your own simulation work. To help the learning process, there is a streamlined. Extend the functionality of the comsol environment with particle tracing.
Multiphysics but tracing charged particles benefits from the acdc module, as it makes it. For a single small spherical particle of radius a, density p, and compressibility p in a viscous liquid the. This video demonstrates one of the many mechanical capabilities of comsol multiphysics, by outlining a static linear analysis. The example app computes the transmission probability of particles in the mixer. In his keynote talk at the comsol conference 2018 lausanne, andri bezzola of. Similarly, you can find models that use a particular physics interface or feature, or models that address a specific field of technology using suitable keywords. The comsol multiphysics geometry and cad environment 320. Complete freedom over the equations solved allows, for example. This example describes an array of heating tubes submerged in a vessel with fluid flow entering at the bottom. It combines particle tracing with navierstokes flow and shows how the particle tracing module can be used to solve convectiondominated particle diffusion. The example shown here studies the flow in a static mixer containing twisted blades. This tutorial shows how to couple three physics interfaces to model evaporative cooling.
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