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Matuttis Lab
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The lab studies the motion of powders and assemblies of particles through simulation.
AboutAbout the lab
Setting assemblies of particles in motion inside a computer.
The Matuttis Lab uses computer simulation to study the motion of granular materials, which are collections of particles such as powders and grains.
The lab is currently developing a finite element program to handle particles in an incompressible Navier-Stokes fluid.
Together with collaborators, it is also running simulations in which the particles are polyhedra or ellipses.
Key terms
- Granular material
- A material made up of many particles, such as sand or powder. The particles move by colliding and rubbing against each other.
- Finite element method
- A numerical method that divides the object of study into small pieces and calculates the motion of each piece to determine the behavior of the whole.
- Incompressibility
- The property of being treated as unchanged in volume when pressure is applied. It is one of the assumptions used in fluid calculations.
ResearchResearch themes
The lab investigates the behavior of granular materials through simulations that move particles inside a computer. It is currently developing a program for particles in a fluid and running simulations with different particle shapes.
*Illustrative imageComputation for particles in a fluid
The lab is developing a finite element program to handle particles in an incompressible Navier-Stokes fluid. Videos of simulations created by students are available online.
*Illustrative imageSimulation of polyhedral particles
Together with collaborators, the lab is working on simulations that move polyhedral particles. The simulation already runs, and the aim is to write a paper describing the method.
*Illustrative imagePolygonal particles and a force law
Simulations were run with polygonal particles using a force law proposed by the professor, which includes static friction, an excluded-volume interaction, and damping in the normal direction. There is a video page that mirrors an old page of a collaborator.
*Illustrative imageSimulation of elliptical particles
The lab is working with collaborators on simulations of elliptical particles. The collaborators are interested in thermodynamic systems in which energy is conserved, while the lab applies the simulations to granular materials with friction and damping.
MembersFaculty
- ProfessorMatuttis Hans-Georg
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “20180620 Sand Rerik DSC09256 BW PtrQs” PtrQs / CC BY 4.0 (cropped)
- Computation for particles in a fluid: “Fluid simulation created using Blender 3D” Original uploader was Charybdis at en.wikibooks / CC BY-SA 3.0 (cropped)
- Simulation of polyhedral particles: “Sphalerite polyhedra” Solid State / Public domain (cropped)
- Polygonal particles and a force law: “Macrophotography of grains of sand in polarised ligth” Jojowikiscience / CC BY-SA 4.0 (cropped)
- Simulation of elliptical particles: “Ellipsoid quadric” Rectas / CC0 (cropped)
- Related lab (Sasaki Lab): “أنابيب نانوية كربونية (Carbon nanotube)” Amira Ben Gouider Trabelsi / CC BY-SA 4.0 (cropped)
- Related lab (Usui Lab): “Pastilla superconductora” Esmeralda Lizet Martínez Piñeiro / CC BY 3.0 (cropped)
- Related lab (Nakamura-Shinyoshi Lab): “DV74HC4051 CMOS 1996 (01)” Retired electrician / CC0 (cropped)
- Related lab (Mamori-Wang Lab): “Born of turbulence” Giannandrea Inchingolo / CC BY-SA 4.0 (cropped)
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