Applied/Physical Applied Math: Difference between revisions

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(Update Fall 2025 schedule.)
 
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*'''When:''' Wednesdays at 4:00pm in VV 901
*'''When:''' Wednesdays at 4:00pm in VV 901
*'''Where:''' 901 Van Vleck Hall
*'''Where:''' 901 Van Vleck Hall
*'''Organizers:''' [https://people.math.wisc.edu/~chr/ Chris Rycroft], [http://www.math.wisc.edu/~spagnolie Saverio Spagnolie] and [http://www.math.wisc.edu/~jeanluc Jean-Luc Thiffeault]
*'''Organizers:''' [https://sites.google.com/view/albri050/dallas-albritton Dallas Albritton], [https://math.wisc.edu/staff/ohm-laurel/ Laurel Ohm], [https://people.math.wisc.edu/~chr/ Chris Rycroft], [http://www.math.wisc.edu/~spagnolie Saverio Spagnolie], and [http://www.math.wisc.edu/~jeanluc Jean-Luc Thiffeault]
*'''Announcements:''' Contact the organizers to join this meeting
*'''Announcements:''' Contact the organizers to join this meeting


== Fall 2024 ==
== Spring 2025 ==
    
    
{| cellpadding="8"
{| cellpadding="8"
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!align="left" | Title
!align="left" | Title
|-
|-
|Sep 11
|Sep 17
|Spagnolie
|Spagnolie
|Growth and buckling of filaments in viscous fluids, Part I
|''[Active matter theme]''
|-
|-
|Sep 18
|Sep 24
|Ohm
|Ohm
|Rods in flows: from geometry to fluids
|''[Active matter theme]''
|-
|-
|Sep 25
|Oct 1
|–
|Thiffeault
|
|''[Active matter theme]''
|-
|Oct 8
|Albritton
|''[Active matter theme]''
|-
|-
|Oct 2
|Oct 15
|Arthur Young (Rycroft Group)
|Jingyi Li
|Multiphase Taylor–Couette flow transitions
|''[Active matter theme]''
|-
|-
|Oct 9
|Oct 22
|Albritton
|Rycroft
|I thought we already knew everything about shear flows?
|''[Active matter theme]''
|-
|-
|Oct 16
|Oct 29
|Chandler
|—
|Investigating active liquid crystals using an immersed deformable body
|
|-
|-
|Oct 23
|Nov 5
|Ohm
|Ohm
|
|
|-
|-
|Oct 30
|Nov 12
|Thiffeault
|Thiffeault
|<s>Maxey-Riley equation for active particles</s> Time-dependent reciprocal theorem
|
|-
|-
|Nov 6
|Nov 19
|–
|
|
|APS DFD practice talks
|-
|-
|Nov 13
|Noc 26
|Ahmad Zaid Abassi
|Thanksgiving
(UC Berkeley)
|Finite-depth standing water waves: theory, computational algorithms, and rational approximations
|-
|Nov 20
|APS DFD practice talks?
|
|
|-
|-
|Nov 27
|Dec 3
|''Thanksgiving''
|Albritton
|
|
|-
|-
|Dec 4
|Dec 10
|Thiffeault
|Rycroft
|
|
|-
|-
|}
|}
== Abstracts ==
=== '''Ahmad Abassi, University of California, Berkeley''' ===
Title: Finite-depth standing water waves: theory, computational algorithms, and rational approximations
We generalize the semi-analytic standing-wave framework of Schwartz and Whitney (1981) and Amick and Toland (1987) to finite-depth standing gravity waves. We propose an appropriate Stokes-expansion ansatz and iterative algorithm to solve the system of differential equations governing the expansion coefficients. We then present a more efficient algorithm that allows us to compute the asymptotic solution to higher orders. Finally, we conclude with numerical simulations of the algorithms implemented in multiple-precision arithmetic on a supercomputer to study the effects of small divisors and the analytic properties of rational approximations of the computed solutions. This is joint work with Jon Wilkening (UC Berkeley).


== Archived semesters ==
== Archived semesters ==
*[[Applied/Physical Applied Math/Spring2025|Spring 2025]]
*[[Applied/Physical Applied Math/Fall2024|Fall 2024]]
*[[Applied/Physical Applied Math/Spring2024|Spring 2024]]
*[[Applied/Physical Applied Math/Spring2024|Spring 2024]]
*[[Applied/Physical_Applied_Math/Fall2023|Fall 2023]]
*[[Applied/Physical_Applied_Math/Fall2023|Fall 2023]]

Latest revision as of 20:31, 24 June 2025

Physical Applied Math Group Meeting

Spring 2025

Date Speaker Title
Sep 17 Spagnolie [Active matter theme]
Sep 24 Ohm [Active matter theme]
Oct 1 Thiffeault [Active matter theme]
Oct 8 Albritton [Active matter theme]
Oct 15 Jingyi Li [Active matter theme]
Oct 22 Rycroft [Active matter theme]
Oct 29 —
Nov 5 Ohm
Nov 12 Thiffeault
Nov 19 APS DFD practice talks
Noc 26 Thanksgiving
Dec 3 Albritton
Dec 10 Rycroft

Archived semesters


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