Applied/ACMS/Spring2025: Difference between revisions
(Created page with "== Spring 2025 == {| cellpadding="8" !align="left" | date !align="left" | speaker !align="left" | title !align="left" | host(s) |- | Feb 2 |[https://people.math.wisc.edu/~chr/ Chris Rycroft] (UW) |''The reference map technique for simulating complex materials and multi-body interactions'' | |- | Feb 9 |[https://users.flatironinstitute.org/~sweady/ Scott Weady] (Flatiron Institute) |''Entropy methods in active suspensions'' |Saverio and Laurel |- | Mar 29 |Spring break...") |
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Revision as of 14:37, 6 June 2024
Spring 2025
| date | speaker | title | host(s) |
|---|---|---|---|
| Feb 2 | Chris Rycroft (UW) | The reference map technique for simulating complex materials and multi-body interactions | |
| Feb 9 | Scott Weady (Flatiron Institute) | Entropy methods in active suspensions | Saverio and Laurel |
| Mar 28 | Spring break |
Abstracts
Chris Rycroft (UW–Madison)
Title: The reference map technique for simulating complex materials and multi-body interactions
Conventional computational methods often create a dilemma for fluid–structure interaction problems. Typically, solids are simulated using a Lagrangian approach with grid that moves with the material, whereas fluids are simulated using an Eulerian approach with a fixed spatial grid, requiring some type of interfacial coupling between the two different perspectives. Here, a fully Eulerian method for simulating structures immersed in a fluid will be presented [1]. By introducing a reference map variable to model finite-deformation constitutive relations in the structures on the same grid as the fluid, the interfacial coupling problem is highly simplified. The method is particularly well suited for simulating soft, highly-deformable materials and many-body contact problems [2], and several examples in two and three dimensions [3] will be presented.