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View Code? Open in Web Editor NEWA Tutorial on using Abaqus to extract substructured matrices for Joint Dynamics
Home Page: https://nidish96.github.io/Abaqus4Joints
A Tutorial on using Abaqus to extract substructured matrices for Joint Dynamics
Home Page: https://nidish96.github.io/Abaqus4Joints
In a trial run following a similar procedure as the tutorial, my Abaqus run output the mtx file with the nodes from the bottom surface first and then the top surface. This renders line 53 of main.m (here) wrong in that the signs need to be flipped. This is more of a discussion point for the text since I do not know how the output order of surfaces is decided or if it is consistent.
My input deck used parts, rather than following the tutorial advice of "It is also helpful to use global node and element indexing henceforth. This can be specified in Model->Edit Attributes->Model-1 as follows" (see here). If that is the issue with node numbering, then this sentence should be more strongly phrased as a requirement.
More generally, I am not sure if it is safe to assume node ordering for M and K matrices within the Top/Bottom surfaces is preserved in the substructuring step. The output mtx file does list the node numbers for the order of the M and K matrices, but additional edits may be needed so that Elements.dat and Nodes.dat are compatible with this information.
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