![]() The default Undeformed geometry plot, produced by the Shell interface, has new colors.The default plot for Stress Linearization now has a legend for the graphs.In contact analysis, a plot of the contact pressure is added, as either a line plot (2D) or contour plot (3D).This makes it possible to immediately distinguish between tension and compression, for example.The color table for section force plots in the Beam and Truss interfaces is Wave, with a symmetric color range.Mode shape plots have the legend switched off to emphasize that the amplitude of a mode does not have a physical meaning. ![]() The color table for mode shape plots, for eigenfrequency and linear buckling studies, is AuroraBorealis.The color table for von Mises stress plots is RainbowLight.Some of the more prominent changes that you will see are as follows: The Application Library tutorials have been updated accordingly. The default plots in the structural mechanics physics interfaces have been updated to produce more informative visualizations. The load is visualized using the new Point Arrow plot type. The Solid-Beam Connection coupling is used for modeling the transition from a solid to a beam. All fluid-structure interaction models in the Application Libraries have been updated to include this new coupling functionality. Finally, the moving mesh, now its own node under Definitions, can be disabled and enabled as needed.Īfter adding a Fluid-Structure Interaction interface from the Model Wizard, you will get a Solid Mechanics interface, a Laminar Flow interface, a Fluid-Structure Interaction multiphysics coupling node, and a Moving Mesh node in the Definitions section. The new functionality facilitates adding a third physics, such as heat transfer, and even additional physics beyond that. You can start with a single-physics model, either structural mechanics or fluid flow, before adding the fluid-structure interaction, and you can disable a physics interface in an already coupled model to solve for only one physics. On the fluid side, all turbulence models are now available as well as a number of new boundary conditions.Īdditionally, you have more flexibility when building and solving a model. On the structural side, many additional boundary conditions and material models are now available for FSI analysis for example, rigid domain, piezoelectric, and nonlinear elastic material models. With this approach, all functionality in the constituent physics interfaces is available for fluid-structure interaction (FSI) modeling. The new coupling matches the modern style, with a number of single-physics interfaces and multiphysics nodes to couple them together. New Fluid-Structure Interaction InterfaceĪ new Fluid-Structure Interaction multiphysics coupling has replaced the interface used in previous versions of the COMSOL ® software. Additionally, in the Bolt Selection subnode, in both 3D and 2D axisymmetry, you can now specify a relaxation of the bolt predeformation, which can be a function of time and loading history, for example. ![]() By necessity, the bolt is located at the axis of revolution for 2D axisymmetric cases. ![]() The Bolt Pre-Tension feature can now be added in 2D axisymmetric components for the Solid Mechanics interface. Note the example of the settings in the Bolt Thread Contact node. The bolt to the right is modeled using the new bolt thread contact condition, whereas the bolt to the left is joined to the bolt hole using a continuity condition. Comparison of stress normal to a cut plane through the bolts. ![]()
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