The simulation was of Non-Newtonian Flow, and it took 3-4 seconds to solve. We hope that you will take advantage of this valuable new functionality as you develop your simulations.Ī 2D model was created by taking a 2D work plane from the middle axis to the edge of the 3D geometry, as the original 3D geometry was symmetrical around the axis. You can create 2D cross sections from any 3D model, whether that model was created in 2D originally, created in 3D and imported into COMSOL, or synchronized using the LiveLink™ products. Even with only moderately complex CAD models, this feature can really improve workflow. This feature is able to simplify the geometry without diminishing its integrity, as seen in the images below. Therefore, we have added a feature for creating 2D models from the cross sections of 3D geometries in COMSOL Multiphysics 4.3b.
This leaves us with two possible solutions: inventing more powerful computers (if we could, we would), or simplifying the models. Should users have to rely on assumptions about the physics they are simulating just to keep projects within a manageable scope? The computers available are simply not fast enough for some extremely complex simulations. This leads to a significant conundrum because changing the model slightly means re-solving, and for computation-heavy models this can be a time-consuming process.
Often, your geometries are available as 3D CAD model files and are invariably computation-heavy when simulating a variety of coupled physics. This easy-to-use feature allows engineers to simplify the model, gain understanding of and fine-tune parameters, and dramatically reduce simulation time. One addition to the COMSOL Multiphysics base package we don’t want you to miss is the ability to create 2D models from cross sections of 3D geometries. Our newest release, COMSOL Multiphysics version 4.3b, contains so many new modules and features, certain additions might get lost in the fray.
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