Hello,
I am trying to expand as tent within the pulmonary arterial root. For now, the stent is simply modeled as a cylinder which gets expanded by placing the stent on the origin, prescribing X displacement: </math> 0.1*X</math>, and Y displacement </math> 0.1*X</math>. I'm running into a few issues with this. First, stent always pops open on the very first time step, no matter how small or what the load curve dictates. This is not the case when I just prescribe a constant as opposed to using <math> tags.
Secondly, I cannot find contact interfaces that work for this expansion. I've tried starting the two surfaces already together (though not ideal for this simulation), merging geometry, and a variety of the different sliding and contact interfaces. I simply need the stent to not be able to penetrate the artery but cannot figure out how to achieve this. Part of the issue might be my instantaneous stent opening, but there might be other issues at play. I would really appreciate some help. Unfortunately, the files are too large to attach to this thread. Let me know if you need more information.
Thank you in advance!
I am trying to expand as tent within the pulmonary arterial root. For now, the stent is simply modeled as a cylinder which gets expanded by placing the stent on the origin, prescribing X displacement: </math> 0.1*X</math>, and Y displacement </math> 0.1*X</math>. I'm running into a few issues with this. First, stent always pops open on the very first time step, no matter how small or what the load curve dictates. This is not the case when I just prescribe a constant as opposed to using <math> tags.
Secondly, I cannot find contact interfaces that work for this expansion. I've tried starting the two surfaces already together (though not ideal for this simulation), merging geometry, and a variety of the different sliding and contact interfaces. I simply need the stent to not be able to penetrate the artery but cannot figure out how to achieve this. Part of the issue might be my instantaneous stent opening, but there might be other issues at play. I would really appreciate some help. Unfortunately, the files are too large to attach to this thread. Let me know if you need more information.
Thank you in advance!
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