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Welcome to the FEBio Forum. This forum serves the community of FEBio, PreView and PostView users and developers. Forum participants are encouraged to post questions, as well as answer posts from others. 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. 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. Please feel free to join in this effort.
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12-12-2019,
11:51 AM
ateshian
replied to a thread
Compressible versus Nearly Incompressible Materials: Beam Bending
in
Material models
Hi, Yes, all moduli have the same units. Using the standard notation found on Wikipedia, the correspondence is C10 = c1, C01 = c2, C11 = 0. ...
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2 replies | 6301 view(s)
12-12-2019,
04:00 AM
lyra
replied to a thread
Compressible versus Nearly Incompressible Materials: Beam Bending
in
Material models
Hi, Thanks for the nice description of how we can obtain the required material parameters for the Mooney-Rivlin model. I have a question about...
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2 replies | 6301 view(s)
12-11-2019,
04:18 PM
danasolav
replied to a thread
Outputting the traction vector on non-contact surfaces
in
Users Forum
Hi Steve, Thanks for the answer. It makes sense that projecting the stress from the element to the surface or the nodes yields interpolation...
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3 replies | 77 view(s)
12-11-2019,
04:01 PM
danasolav
replied to a thread
Nodal reaction force for nodes with zero prescribed displacement vs fixed
in
Users Forum
Thank you for the answer, Brandon!
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2 replies | 51 view(s)
12-11-2019,
10:49 AM
Sebastian
replied to a thread
Outputting the traction vector on non-contact surfaces
in
Users Forum
Hi Steve, Thanks for the response. I could not post messages last week, so Dana helped me post this. We are doing a project on prosthetic...
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3 replies | 77 view(s)
12-10-2019,
12:33 PM
penavasal
started a thread
VirtualBox
in
Users Forum
Hi everyone, I have tried to work in a VirtualBox VM with Preview (and Postview) and I found troubles. Graphics are not working properly, I cannot...
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0 replies | 24 view(s)
12-10-2019,
04:07 AM
KARAG97
replied to a thread
heat transfer problem
in
Users Forum
thank you I ''ll try that
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2 replies | 75 view(s)
12-09-2019,
11:30 AM
maas
replied to a thread
how to select output?
in
Users Forum
Hi, How did you determine the experimental stress? If you used a force and divided it by an area, you may want to consider doing something similar...
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1 replies | 48 view(s)
12-09-2019,
11:26 AM
maas
replied to a thread
Non-rigid body center of rotation
in
Users Forum
Hi David, If you mean the center of mass for a non-rigid object, you can get an approximation in PostView by looking at the average X, Y, Z...
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1 replies | 40 view(s)
12-09-2019,
11:23 AM
jayart
replied to a thread
Fluid cavity with symmetry plane
in
Users Forum
Hi Steve, Thanks a lot, this resolved the problem. However, there is a small difference in the displacements of roughly few percent. In my case...
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2 replies | 38 view(s)
12-09-2019,
11:19 AM
maryrose
replied to a thread
Flow past flap with prescribed velocity
in
Users Forum
Thanks Jay, the results are much better now. Maryrose
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6 replies | 145 view(s)
12-09-2019,
11:05 AM
maas
replied to a thread
Set fibers not working for named selections
in
Users Forum
Hi Adrienne, How are you assigning the material fibers in PreView? In PreView, fibers will only be displayed for transversely isotropic materials....
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1 replies | 67 view(s)
12-09-2019,
10:50 AM
maas
replied to a thread
Huge augmentation tolerance and penalty factors, and small loads
in
Users Forum
Hi, I have a few suggestions and comments regarding your model. First off, I think you can get rid of the tied interface between the cortical bone...
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1 replies | 29 view(s)
12-09-2019,
08:00 AM
maas
replied to a thread
Outputting the traction vector on non-contact surfaces
in
Users Forum
Hi, There is no option to extract traction vectors in FEBio other than for contact surfaces. For surface loads, you essentially prescribe the...
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3 replies | 77 view(s)
12-09-2019,
07:53 AM
maas
replied to a thread
FEBio Crashes
in
Users Forum
In the model you sent, the FixedDisplacement2 boundary condition has no selection assigned. Could that be part of the problem? If you do not need...
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1 replies | 38 view(s)
12-09-2019,
07:26 AM
maas
replied to a thread
Fluid cavity with symmetry plane
in
Users Forum
Hi Jeremy, I think that should work as long as the symmetry planes are the coordinate planes that intersect at the origin. I suggest to try it out...
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2 replies | 38 view(s)
12-09-2019,
07:20 AM
maas
replied to a thread
Determine rotation matrix
in
Users Forum
Hi, The quaternions exported by FEBio define the total rotation of the rigid body, from the initial configuration to the current one. So if you...
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1 replies | 38 view(s)
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