🎄 Early Christmas present! 🎄

I managed to squeeze one more paper out of my PhD, and here's my web summary. Plus some juicy behind-the-scenes details!

https://lukejohns.online/research/perthes_dynamic_simulation/

#academia #biomechanics #perthes #finiteelement

Sneak peek at my #JuliaLang wrapper for #FEBio, an advanced #FiniteElement solver for #ComputationalMechanics and #Biomechanics

More on FEBio here:
https://febio.org/
https://github.com/febiosoftware/FEBio

Just read about "rabbit functions", a term for math expressions that are essentially "pulled out of a hat"! Love it, and have to use this in a paper some day.

From "Wachspress 1975, A Rational Finite Element Basis:

"A "rabbit function" is a function that is pulled out of a hat. When a magician pulls a rabbit out of a hat, the effect astonishes the onlookers. Once the illusion is revealed, the rabbit generation is
no more surprising than the generation of rabbits by rabbits."

#FiniteElement

In case you want your tongue #FiniteElement Model to go eeeewwww. This GIBBON demo features active contraction of mapped "muscle fibers".

I just updated it for FEBio4.

#opensource #biomechanics

https://www.gibboncode.org/html/DEMO_febio_0024_active_contraction_tongue.html

I have a sneaky feeling something might be slightly wrong here...

#FiniteElement #Biomechanics #Modeling #Simulation

📢LAST VIDEO OF THE YEAR 😇

Choosing a proper solver can be quite important for #FiniteElement models. In this video, we discuss a bit about various available solvers in #FreeFEM, including #PETSc with which we have access to tremendous number of tools, solvers, and preconditioners to solve the derived linear system of equations more efficiently.

https://youtube.com/watch?v=wGYez2-3rvk&ab_channel=TuxRiders

#Modeling #Simulation #FEA #OpenSource

A ridiculous #FiniteElement model for whoever wants to simulate a rubbery propeller hitting a stick.

I just used this to play with a contact algorithm and was curious to see if it would work.

#opensource: https://www.gibboncode.org/html/DEMO_febio_0040_propeller_contact.html

⚡NEW VIDEO⚡

One of the features in #FreeFEM offering flexibility for #FiniteElement models is the regions and sub-domains, which can be used to define different properties in different parts of the mesh, like a multi-material model.

https://youtube.com/watch?v=g43w0iZFE-c&ab_channel=TuxRiders

#FEA #FEM #engineering #EngineeringMath
#opensource

Mastodon #introduction: TuxRiders is a journey to research experiences using free and #opensource scientific computing programs, which aimed to demonstrate their power for real-world scientific research.

In our #YouTube channel, we regularly talk about #FiniteElement, #EngineeringMath, #PDEs, #NumericalMethods, #FreeFEM, #FEniCS, #ParaView, #C++, #Python, #OpenFOAM, and #Linux.

Check out our YT channel: https://www.youtube.com/TuxRiders