Comsol and matlab integration to enhance complicated engineering tasks such as modeling and simulation that are beyond the capability of standalone software packages, several integration attempts are reported in. Multiphysics topology optimization of heat transfer and. In fact, i want to find optimization of the pressure drop in microchannel with. Topology optimization of thermal heat sinks comsol multiphysics. To download the mphfiles, log in or create a comsol access account that is associated with a valid comsol license. This article presents the integration between comsol and a ga optimization tool coded in matlab for the optimization of two thermal systems. Instead of using equationbased modeling for the system, the plant is a finite element model developed in comsol multiphysics software, which later interfaced with the matlab coded optimization algorithm using the live link for matlab feature. Uber comsol multiphysics modellierungsbeispiele zum. Optimize engineering designs with the optimization module. In his keynote talk at the comsol conference 2018 lausanne, andri bezzola of samsung presents case studies for how he uses the comsol multiphysics software and simulation applications to design high. Multiphysics topology optimization of heat transfer and fluid. In addition to using multiphysics modeling for your own projects, you can also turn your models into simulation applications and digital twins for use by other design teams. About parameter estimation you can use the optimization module to perform parameter estimation.
The optimization module is an addon package that you can use in conjunction with any existing comsol multiphysics product. You can use numerical simulation to improve the design of physical systems as well as estimate their parameters. Nevertheless, these goals are not within the scope of the present work. To use optimization toolbox solvers for maximization instead of minimization, see maximizing an objective. The methodology is sufficiently general to be expanded to. Automation of comsol multiphysics parameter studies using the matlab livelink dominik kerna, nilshenning framke b september 26, 2012 abstract comsol multiphysics is a finite element methods fem software package for the. Multiparameter optimization with a leastsquares objective. Once you have created a comsol multiphysics model of your product or process, you always want to improve on your design.
The classical mbb beam is solved in 2d using a helmholtz filter and solid isotropic material penalization simp technique to recast the original combinatorial optimization problem into a continuous optimization problem. Genetic algorithm based multiobjective optimization. Various physical process including conduction, convectiondiffusion, and navierstokes flow are considered. Livelink for comsol is a tool that integrates comsol multiphysics with matlab to extend ones modeling with scripting programming in the. Simulation optimization software improve your engineering designs. Matlab software utilizes the genetic algorithm method ga found in the optimization toolbox for optimization and postprocessing. Comsol and matlab integration to optimize heat exchangers. Simply log in and follow the onscreen product download directions. Parameter estimation in a single particle model using comsol multiphysics software and matlab optimization. Pdf the paper deals with the use of matlab and comsol. However, multiobjective optimization, equation solving, and some sumofsquares minimizers, can have vector or matrix objective functions fx of type double. The capabilities can be further categorized as topology, size, shape, and parameter optimization.
This optimization problem is based on a transient model using the comsol multiphysics software and transport of diluted species interface. Comsol multiphysics software was used, including the single particle model for lithiumion batteries model id. Oct 19, 2017 performing a multiparameter optimization with various flow rates enables you to obtain a factor to correct all of the data. It is easy to download the latest version of the comsol software if you have a comsol access account with your license number linked to it. Functionality, such as parametric sweeps and optimization, allow you to.
Geometric modeling and numerical simulation of airfoil. Livelink for comsol is a tool that integrates comsol multiphysics with matlab to extend ones modeling with scripting programming in the matlab. This chapter contains a short optimization module overview. For lsq optimization problems, the data files are read by the core code. The comsol multiphysicssimulation environment facilitates all steps in the modeling processdefining your geometry, specifying physics, meshing, solving. One such example is light loss, which is partially caused by the plasmon coupling effect. In this work, topology optimization including density filtering and projection is applied to optimize the cooling performance of thermal heat sinks. This paper is focused on topology optimization of heat transfer and fluid flow systems for multiphysics objectives. In previous software versions, you had to choose to perform either a parametric sweep or an optimization study in such cases. Now, the two study types can be combined in one and the same model. Comsol multiphysics is a generalpurpose simulation software for modeling designs, devices, and processes in all fields of engineering, manufacturing, and scientific research. The livelink for matlab interfacing product enables you to access comsol operations through matlab commands and blend these commands with your existing matlab code, directly within the matlab. Note that while comsol employees may participate in the discussion forum, comsol software users who are onsubscription should submit their questions via the support center for a more comprehensive response from the technical support team. Pdf livelink for comsol is a tool that integrates comsol multiphysics with matlab to extend ones modeling with scripting programming.
Introduction to design optimization in comsol multiphysics. How to use topology optimization results as model geometries. Geometric modeling and numerical simulation of airfoil shapes. In addition to using multiphysics modeling for your own projects, you can also turn your models into simulation applications and. In earlier versions of the software, it was only possible to read and use these files from the gradientbased solvers e. Comsol multiphysics and the livelink for matlab interactive.
Simulation optimization software comsol multiphysics. However, there are some additional steps for 2d geometries. Multiparameter optimization of a transport problem. Parameter estimation in a single particle model using comsol. Nonlinear structural material analysis software from comsol. Get pricing and licensing information for matlab and simulink. Specifically, comsol multiphysics software is coupled with a method of moving asymptotes optimizer in a custom comsol matlab script. The optimization problem is defined and solved by proposed computational technique that uses both matlab and comsol multiphysics with the livelink tool. Using matlab and comsol multiphysics for optimization of the. After you have created your comsol multiphysics model, you can improve on your. Ant colony optimization algorithm is employed for this purpose. A demonstration of topology optimization using the structural mechanics module and the optimization module. Genetic algorithms ga have proved to be a complete and effective approach for solving optimization problems. If you use the matlab software, you can easily drive comsol multiphysics simulations with matlab scripts and functions.
Jan 24, 2020 how to generate a geometry of topology optimization results in comsol multiphysics the steps to generate a geometry of topology optimization results using a filter dataset is the same for 2d and 3d geometries as of comsol multiphysics version 5. The following tables provide a list of notable optimization software organized according to license and business model type. Livelink for matlab livelink for excel cad import module design module. The nonlinear structural materials module, an addon to the structural mechanics module and the comsol multiphysics software, makes it easy to incorporate these effects by offering additional material models such as hyperelasticity, elastoplasticity, viscoplasticity, and creep. The update can be applied directly to an installation of version 5. The methodology is sufficiently general to be expanded to the variety of pmd applications outlined above. In this manner, a clear separation of concerns is obtained. Mathworks is the leading developer of mathematical computing software for. I wrote the genetic algorithm code with matlab software and use the comsol server to link the comsol with matlab. Before you proceed with the installation, make sure to exit any running comsol multiphysics processes or any software you have running that correlates to a livelink product you would like to update excel, powerpoint, matlab, or a cad software. Watch this archived webinar for an 18minute introduction to design optimization using the optimization module, an addon to the comsol multiphysics software.
Parameter estimation in a single particle model using comsol multiphysics software and matlab optimization b. Comsol and matlab integration to enhance complicated engineering tasks such as modeling and simulation that are beyond the capability of standalone software packages, several. Performing a multiparameter optimization with various flow rates enables you to obtain a factor to correct all of the data. Case studies on optimization problems in matlab and comsol. Conclusion a multiobjective design of an actuator using comsol and matlab software is presented. Pdf using matlab and comsol multiphysics for optimization of.
After you have created your comsol multiphysics model, you can improve on your engineering design with the optimization module. Looking to reduce the effects prominence in oled devices, researchers from konica minolta laboratory turned to the comsol multiphysics software. The coupled fluidthermal model of a heat sink cooled with forced convection is implemented in comsol multiphysics software as well as a threefield densitybased topology optimization. The pareto optimal front agrees well with that obtained using an mecbased design optimization. The optimization module contains the framework and functionality needed to perform gradientbased optimization on an existing comsol model. Best practice for working with model mfiles comsol blog. Comsol is the developer of comsol multiphysics software, an interactive environment for modeling and simulating scientific and engineering problems. This guide is a supplement to the comsol multiphysics users guide.
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