6/20/2023 0 Comments Febio postviewThis document describes the features that have been added to the latestįEBio release as well as the more important bug fixes.The Color Map defines how PostView will calculate the color that is used to display the model in the Graphics View. The FEBio User’s Manual for a more detailed description of the new features. To report any bugs or request new features, please visit the FEBio forum #DISTANCE MAP POSTVIEW 2 UTAH SCI MANUAL# * This is the first version of FEBio that is released under the MIT open source license. This license allows users, including commercial entities, to copy, modify, and redistribute the source code of FEBio, under the conditions set forth by this license. See Copyright-FEBio.txt for more details and contact the developers for any questions. * Several options were added to the FEBio prompt: “config” for (re-)loading config file, “load” to load a plugin, “unload” to unload a plugin. * The “material axes” plot variable was added that allows users to store the material axes (as a 3×3 matrix) to the plot file. * The “SPR Lagrange strain” plot variable was added that uses the SPR method for evaluating Lagrange strain at the nodes. * Support for “mat3d” material parameters was added to the MeshData section. * The quad4 shells now use the 3-field formulation by default. * The “porous neo-Hookean” material was added to model a porous solid whose stiffness becomes infinite as the pores collapse to zero volume. Porosity can be defined in the material or will be extracted from parent material if it is biphasic/multiphasic. * Several issue with the restart feature were fixed, including some issues with adding steps or modifying load curves via a restart input file. * Bug was fixed in using FESlidingInterfaceBW with optimization. * A new optimization feature was implemented that allows you to define a list of element values that can be used in the objective function of the optimizatsion. * Users can now also optimize the material axes parameters of a material. * A bug was fixed in evaluation of the stiffness of several rigid connectors, which may improve convergence of models that use rigid connectors. * A bug was fixed in the evaluation of stresses in continuous fiber distribution uncoupled materials. * Several issues were fixed with rigid connectors. This affected problems that prescribed a rigid body displacement or a “ramped” rigid force when the rigid body was attached to a rigid connector. * A bug was fixed that was preventing the mass and moment of inertia to be calculated correctly in dynamics analyses when users specified the center of mass in the FEBio input file (as opposed to letting FEBio calculate it). * Solution variables can now be used in the optimization module as a function parameter. * All materials are now checked for missing required properties, instead of just top-level ones. * A bug was fixed in FEBio’s tensor library that affected the convergence and possibly the accuracy of the PRLig, muscle, and tendon materials. * A bug was fixed in the algorithm that inverts surface elements for higher order elements. #DISTANCE MAP POSTVIEW 2 UTAH SCI CODE#. #DISTANCE MAP POSTVIEW 2 UTAH SCI MANUAL#.
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