![]() ![]() The release notes have been updated and can also be downloaded separately from the Documentation tab of the software page. When a nodal degree of freedom is specified to be relative at a particular step, the value prescribed for that node is superposed over the value of that degree of freedom at the end of the preceding step.Īll documentation has been updated and can be downloaded from. Relative boundary conditions are meaningful only in multi-step analyses. ![]() Relative boundary conditions have been implemented for all nodal degrees of freedom of displacement, fluid pressure, and solute concentration. A cell growth material has been implemented, which describes the growth of cells as driven by osmotic forces, due to the increasing (or decreasing) content of intracellular solid and membrane-impermeant solute. Electric potential and current density are evaluated in all triphasic analyses. The solid matrix may carry an electric charge (the fixed-charge density), in which case the triphasic material will undergo swelling due to Donnan osmotic pressure. A triphasic material consists of a solid, a solvent, and two solute species that are monovalent counter-ions. Triphasic materials have been implemented in this version. For biphasic-solute materials, backward compatibility is maintained with the FEBio 1.4 file format, though only one solute may be used throughout an analysis in the old format. Each region that contains solutes must provide the solute id's corresponding to the entries in the solute table. A solute table must now be provided in the input file, which lists all the solutes appearing in a particular analysis. For example, adjacent regions of biphasic-solute materials need not have the same solute. FEBio has been updated to allow different solutes to be used in different regions of a model. Some of the noteworthy changes and additions are listed below. This new version includes some major changes and contains a number of new and exciting features. FEBio is an open-source finite element package, specifically designed for solving problems in the field of computational biomechanics. To learn more, please visit are excited to announce the arrival of version 1.5 of FEBio (Finite Elements for Biomechanics). FEBio Studio 2.1 has been released! This new version contains a lot of bug fixes, but also quite a few new capabilities.The FEBio software downloads and knowledgebase can be found here. This will allow you to stay up to date on recent activity on the forum. You can subscribe to forums by pressing the "Subscribe" button at the top of the forum. Moderators are here to assist with explaining novel features, addressing bug reports and reviewing feature requests, but the effectiveness of the forum depends critically on the participation of experienced users who can assist novices or share ideas and models that explore challenging problems. A broad level of participation is encouraged, to create a vibrant community that helps improve the quality and usefulness of these open-source/free software products. Forum participants are encouraged to post questions, as well as answer posts from others. This forum serves the community of FEBio and FEBio Studio users and developers. ![]()
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