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#FiniteElementMethod

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Chris Huck :freecad: :ubuntu:<p>Sitting here running <a href="https://fosstodon.org/tags/FEA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FEA</span></a> simulations in my hotel room, and my model has 1.24 MILLION degrees of freedom. I’m sure any of you that do FEA probably think that’s pretty pedestrian, but I don’t think many people would realize the size of the matrices being pushed around. This simulation takes about 25 minutes to run because of large displacement and surface contact, and it’s rather amazing that it only takes 25 minutes on modern hardware.</p><p><a href="https://fosstodon.org/tags/engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>engineering</span></a> <a href="https://fosstodon.org/tags/FiniteElementMethod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FiniteElementMethod</span></a></p>
Andreas<p>The result of the getting started notebook of <a href="https://mathstodon.xyz/tags/felupe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>felupe</span></a>, which is deployed by <a href="https://mathstodon.xyz/tags/jupyterlite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jupyterlite</span></a> on <a href="https://mathstodon.xyz/tags/github" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>github</span></a>, is now ready-to-visualize directly in the browser, thanks to <a href="https://mathstodon.xyz/tags/jupyterview" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jupyterview</span></a>!</p><p><a href="https://adtzlr.github.io/felupe-web/lab?path=01_Getting-Started.ipynb" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">adtzlr.github.io/felupe-web/la</span><span class="invisible">b?path=01_Getting-Started.ipynb</span></a></p><p><a href="https://mathstodon.xyz/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a> <a href="https://mathstodon.xyz/tags/webassembly" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>webassembly</span></a> <a href="https://mathstodon.xyz/tags/scientificcomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scientificcomputing</span></a> <a href="https://mathstodon.xyz/tags/computationalmechanics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computationalmechanics</span></a> <a href="https://mathstodon.xyz/tags/finiteelementmethod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>finiteelementmethod</span></a></p>
Andreas<p>Merry Christmas everyone (...if you're living in a culture where this is celebrated). 🎄🎄 ☃️ ❄️ ⛷️ It's time to take a break from business as usual - get your batteries reloaded! 🔋 </p><p>(This is a hyperelastic Mooney-Rivlin christmas tree under varying body forces.)</p><p><a href="https://mathstodon.xyz/tags/computationalmechanics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computationalmechanics</span></a> <a href="https://mathstodon.xyz/tags/scientificcomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scientificcomputing</span></a> <a href="https://mathstodon.xyz/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a> <a href="https://mathstodon.xyz/tags/finiteelementmethod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>finiteelementmethod</span></a> <a href="https://mathstodon.xyz/tags/holiday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>holiday</span></a> <a href="https://mathstodon.xyz/tags/simulation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>simulation</span></a> <a href="https://mathstodon.xyz/tags/hyperelasticity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hyperelasticity</span></a></p>
Andreas<p>Hello, world! Wait, for a nonlinear simulation <a href="https://mathstodon.xyz/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a> package? If you'd like to use FElupe for your <a href="https://mathstodon.xyz/tags/hyperelastic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hyperelastic</span></a> <a href="https://mathstodon.xyz/tags/simulation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>simulation</span></a> but don't know where to start &amp; too lazy to read the docs, you may use the hello_world() function to print a minimal-working example to the console.</p><p>Initially, I wasn't sure if that kind of function really makes sense. But it turns out that I'm using this one quite frequently. 📝 (shhh! Author here... 🤓)</p><p><a href="https://github.com/adtzlr/felupe" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/adtzlr/felupe</span><span class="invisible"></span></a></p><p><a href="https://mathstodon.xyz/tags/scientificcomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scientificcomputing</span></a> <a href="https://mathstodon.xyz/tags/computationalmechanics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computationalmechanics</span></a> <a href="https://mathstodon.xyz/tags/finiteelementmethod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>finiteelementmethod</span></a> <a href="https://mathstodon.xyz/tags/fem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fem</span></a> <a href="https://mathstodon.xyz/tags/fea" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fea</span></a></p>
Kevin Moerman 🔓🦿:julia:<p>Interesting paper by <span class="h-card" translate="no"><a href="https://hachyderm.io/@jedbrown" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>jedbrown</span></a></span> et al. </p><p><a href="https://doi.org/10.48550/arXiv.2401.13196" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.48550/arXiv.2401.13</span><span class="invisible">196</span></a></p><p>For computational mechanics/physics, if you code by just punching in the equations from the textbooks directly, the physics should work, but computationally the way you evaluate the quantities may be unstable. This paper lists some recipes to avoid these. </p><p>Mostly small strain problem, but still feels icky to leave in. </p><p><a href="https://fosstodon.org/tags/FiniteElementMethod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FiniteElementMethod</span></a> <a href="https://fosstodon.org/tags/FiniteElementAnalysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FiniteElementAnalysis</span></a> </p><p><a href="https://fosstodon.org/tags/FEBio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FEBio</span></a> <span class="h-card" translate="no"><a href="https://fosstodon.org/@mofem" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mofem</span></a></span> <span class="h-card" translate="no"><a href="https://fosstodon.org/@likask" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>likask</span></a></span> <a href="https://fosstodon.org/tags/Ferrite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ferrite</span></a> <span class="h-card" translate="no"><a href="https://social.linux.pizza/@koehlerson" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>koehlerson</span></a></span></p>
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