Modeling natural and forced convection in comsol multiphysics. Watch this tutorial video to discover the several postprocessing tools and operations available in comsol multiphysics. Warning your internet explorer is in compatibility mode and may not be displaying the website correctly. Tseronis, kookos, and theodoropouls comsol conference 2006 e tion. After running a comsol multiphysics simulation that yields multiple results, there are specific ways to postprocess the data. Traditional methods of postprocessing by storing all data and processing the files. Use of comsol multiphysics in undergraduate research. Lets change a parameter and see the effect on the profile. The class offers a combination of presentations, demonstrations, workshops, oneonone instruction and individual problems. It also describes application modes available in the core femlab package and much more. Comsol desktop there is a corresponding command you can type at the matlab prompt. Plasma edge simulations by finite elements using comsol. Mesh is any of the open spaces in a net or network or an interstice. Comsol lep tutorial for tank flow system two cstr in series.
Ordinarily, this kind of simulation is performed by standard comsol programming package. Tutorial on comsol with post processing for mass transfer. Note that many of the examples featured here can also be accessed via the application libraries that are built into the comsol multiphysics software and available from the file menu. Comsol server can also be used in batch mode, for which no graphics rendering is version 4. Essentials of postprocessing and visualization in comsol. Following the model description, a series of instructions guide you in the process of building, solving, and postprocessing the model in comsol multiphysics. I can get the potentials at any arbitrary location using the fileexport post processing data. Stationary free surface postprocessing feature interior wall conditions simulate infinitely thin blades and baffles. Solving comsol multiphysics problems is ideal for people with little or no experience using the software with an engineering, physics, mathematics or science background. It is based on an open and flexible architecture made of reusable components. Pdf the use of comsol multiphysics in teaching groundwater. Features include the 2d table surface plot type, tables, and exporting the data to other programs. The postprocessing plot parameters menu lets you look at the results. Tutorial on comsol with post processing for mass transfer in a falling film.
Gas porosity appears as gas is trapped within powder particles from the shielding gas during processing. The postprocessing and visualization tools in the comsol multiphysics software are a great asset for helping you understand your results, see whats. Numerical results this page goes through the postprocessing steps for the supersonic flow over a wedge in the cfdpost postprocessor included with ansys workbench. For instructions on performing the post processing using the classic fluent post processor, see this page. Whenever we have a heated or cooled part exposed to air, there is some transfer of heat from the part to the air via convection. This manual demonstrates the basics of how to create a model, how to use the graphical user interface and how to specify a geometry. It can also be used interactively to perform prepost processing tasks. Extensibility to allow you to implement your own code in comsol and to change the builtin code.
I have lots of choices for the kind of 2d plot to use. Under input section on the left hand side, you can view and change any parameter values. After you are done, click on compute button present above the input. Comsol is intended to have the capacity of arranging numerous sorts of issues from different engineering disciplines such as electricity and magnetism, structural mechanics. Postprocessing looking at the solution in various ways. This means that its no longer necessary to go into the view node, and you can easily turn them off and on temporarily as needed. Jan 14, 20 we have written several blog posts on postprocessing already, but none detailing postprocessing for cfd. This selfguiding tutorial provides a stepbystep approach for users to learn nx9. The use of the computer program, comsol multiphysics, is aided by reference to the book, introduction to chemical engineering computing, which has step by step instructions 1. In the case of constricted electrodes the electron and ion flux to the electrodes has been calculated using the domain plot processing option. Aug 12, 2010 this thread is rather old, but since it has accumulated many views over the years, ill point out that for the last year or so a very good selftraining resource is the comsol learning center where you will find tutorial videos for all major steps of the modeling process, from setup to post processing. Multiphysics software for finite element approach and real world simulations.
Hi, in my numerical model, i am working with piezoelectric devices multiphysics module. Pdf the application of comsol multiphysics in direct current. The movement of the air can be either forced, via a fan, or free, as a result of the natural buoyancy variations due to changes in the air temperature. Consequently, process parameters must be adjusted in order to obtain adequate densifications of 3d manufactured parts. Jun 09, 2009 im computing the potentials in a volume conductor. Gmsh is an open source 3d finite element mesh generator with a builtin cad engine and post processor. Simulation of flow and heat transfer through packed beds. Find several tutorials here that should cover the most common types of use cases. To simulate the heat transfer processes between room and a radiator by using comsol multiphysics software. Streamline plots are a postprocessing tool in the comsol multiphysics software that can be applied to the results of 2d and 3d models. After a general introduction to the user interface, several tutorials will take you. It is intended for those with no previous experience with nx.
Uh innovation centre college lane hatfield hertfordshire al10 9ab phone. Anybody know what method and its order comsol uses to interpolate the potentials at the arbitrary locations. World leader in multiphysics simulations hq in stockholm. Comsol multiphysics solves this issue by being an all in one geometry creator and mesher, solver and post processor. Since the particle tracing module uses a very general formulation for computing particle trajectories, the particle tracing interfaces can be used to model charged particle motion in electromagnetic fields, large scale planetary and galactic movement, and particle motion. Comsol post processing how to plot ac voltage vs time in. Due to the powerful mesh dissection, solution function and abundant post process operation, it shows an important significance of applying. Check back as we continue to add more videos in this series. It was unclear what the limitations would be for a program like comsol in simulating a packed bed, which is really a quite complex model. If i did a parametric solve, i select which solution i want to view here.
Jan 04, 2020 traditional methods of postprocessing by storing all data and processing the files with other special software in order to obtain nice pictures may easily fail due to the amount of memory and time required. Numerical results this page goes through the post processing steps for the supersonic flow over a wedge in the cfd post post processor included with ansys workbench. Mar 29, 2015 tutorial on comsol with post processing for mass transfer in a falling film. For instructions on performing the postprocessing using the classic fluent postprocessor, see this page. Using postprocessing and visualization tools in comsol. Analysis and fem simulation of flow of fluids in pipes.
Singlephase flow creeping flowstokes flow laminar flow newtonian and nonnewtonian flow turbulent flow. You will find out that these helpful tools further enhance the visualization. Introduction for our purposes, such disconnected way of analyzing a problem is rather inconvenient. Supersonic flow over a wedge numerical results simcafe. Since the particle tracing module uses a very general formulation for computing particle trajectories, the particle tracing interfaces can be used to model charged particle motion in electromagnetic fields, large scale planetary and galactic movement, and particle motion in laminar, turbulent, and twophase fluid systems. Gmsh is an open source 3d finite element mesh generator with a builtin cad engine and postprocessor. Postprocessing has always been an important part of my teachings, as you learn how to use comsol multiphysics while also gaining insight into the physics at hand. To compute how much heat energy has been transferred from radiator. Change the inlet concentration in tank 1 from molm3 to 1500 molm3. Its design goal is to provide a fast, light and userfriendly meshing tool with parametric input and advanced visualization capabilities. Contour and isosurface plots are used in postprocessing to visualize scalar quantities and fields. Meshing in a multiphysics environment can be defined as splitting of domains into smaller subdomains made up of geometric primitives like hexahedra. To provide a general introduction to comsol multiphysics software 3.
Specialized techniques for postprocessing and visualization in. Tutorial on comsol with post processing for mass transfer in. Learn how to use comsol multiphysics at your own pace. The different post processing options of the software package were also used to visualize the fluxes of the different plasma species and plasma currents within the plasma and onto the reactor walls. Singlephase flow creeping flowstokes flow laminar flow. However, users of previous versions of nx may also find this tutorial useful for them to learn the new user interfaces and functions. Comsol be used to run batch jobs in the queue see the job submission section below. This is a simplified java based syntax, which does not required any knowledge. Use of comsol multiphysics in undergraduate research projects. We have written several blog posts on postprocessing already, but none detailing postprocessing for cfd.
Simscale provides access to multiple analysis types to analyze your designs. Post processing and visualization how suspended particle behave in the flow stream tracer. We also show you how to analyze data along surfaces and lines, calculate derived values such as intervals, and. Its design goal is to provide a fast, light and user. Watch this archived webinar to learn how to postprocess and visualize your results in the comsol multiphysics simulation software. Apr 28, 2017 whenever we have a heated or cooled part exposed to air, there is some transfer of heat from the part to the air via convection.
Arnd meyer, parallel algorithms and cluster computing. Simulation of flow and heat transfer through packed beds of. Useful tools for postprocessing in comsol multiphysics. What method does comsol use to interpolate post processing.
To download the mphfiles, log in or create a comsol access account that is associated with a valid comsol license. Analysis of 3d biocompatible additive structures using comsol. Load a existing tutorial in gmsh t1t6 create the default mesh for it mesh. Comsol handbook series cut points and evaluations essentials of postprocessing and visualization in comsol multiphysics essentials of. Further writing and tutorials on postprocessing in comsol software are available here. Simulation results obtained in the time dependent study performed with. Postprocessing and visualizing comsol simulation results.
Find here a list of industryspecific user guides, designed to provide a step by step workflow to help you set up your analysis. Comsol postprosessing and visualization handbook part2. Analysis of 3d biocompatible additive structures using. Click on tank volume tab to view the volume of each tank with time step 7. In essentials of postprocessing and visualization in comsol multiphysics, we briefly touched on derived values. Postprocessing results in comsol multiphysics 78 youtube. Salome is an opensource software that provides a generic platform for pre and postprocessing for numerical simulation. Solving comsol multiphysics problems is ideal for people with little or no experience using the software with an engineering, physics, mathematics or.
In the course of solving these problems, you will see. Meshing in a multiphysics environment can be defined as splitting of domains into. I can get the potentials at any arbitrary location using the fileexportpost processing data. To solve three heat transfer problems with theoretical method and comsol model method 4. Broers building 21 j j thomson avenue cambridge cb3 0fa. Jun 21, 2012 this is a part of series of tutorials on comsol. If these are use d, even results from different model r uns can be compared easily. Learn useful techniques for postprocessing and analyzing your numerical simulation results in comsol multiphysics.
The selection tool is now available for individual plots as well as for entire data sets, 1d plots can have two y axes for results with different scales, and results with multiple parameters. If you are reading the documentation as a pdf file on your computer, the blue links do not work to open a model or content referenced in a different users guide. Comsol fluid dynamics finite element method scribd. Comsol post processing how to plot ac voltage vs time in comsol. This thread is rather old, but since it has accumulated many views over the years, ill point out that for the last year or so a very good selftraining resource is the comsol learning center where you will find tutorial videos for all major steps of the modeling process, from setup to postprocessing. Follow along as we walk you through using many of the postprocessing tools available in comsol multiphysics and evaluating numerical results. Setup the model using the graphical user interface, then save the model as a mfile. Using a simple parametric sweep study, we show you how to tabulate your data and display it in an informative way. Please note that an updated version of the content in this video can be found in the modeling workflow video in the comsol learning center.
Jan 16, 2015 watch this tutorial video to discover the several postprocessing tools and operations available in comsol multiphysics. The comsol multiphysics geometry and cad environment 320. Creating streamline plots in comsol comsol multiphysics. In this tutorial i will discuss the nuances of meshing in comsol. Specialized techniques for postprocessing and visualization in comsol multiphysics comsol, comsol multiphysics, capture the concept, comsol. Use the comsol desktop to get your first model implemented using the comsol java api. Results and discussion while the model is running, the maximum and minimum displacement zones created in the plate due to the dispersive lamb waves can be seen figure 5. No previous experience with comsol multiphysics is required, but some basic knowledge of the scientific principles being applied is desirable. What method does comsol use to interpolate post processing data. Postprocess the results to find the information you want. Stress tsaiwu tsaihill hashin puck cuntze larc face sheet wrinkling core failure to be switched to 3d for solid models 4 l i. You can take your simulation to the production level by optimizing any aspect of.
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