[Eoas-seminar] [Seminar-announce] Scientific Computing Colloquium with Nick Moore

[eoas-seminar at lists.fsu.edu]

"The Formation of Karst Pinnacles"

Nick Moore
Assistant Professor of Mathematics
Colgate University

NOTE: Please feel free to forward/share this invitation with other groups/disciplines that might be interested in this talk/topic. All are welcome to attend.


https://fsu.zoom.us/j/94273595552

Meeting # 942 7359 5552


** Please note the change in the day (Monday) and change in time (2:30 PM) for this week's colloquium **


Oct 10, 2022, Schedule:

* 2:00 to 2:30 PM
Nespresso & Teatime  (in 417 DSL Commons)

* 2:30 to 3:30 PM Eastern Time (US and Canada)
Colloquium - Attend F2F (in 499 DSL) or Virtually (via Zoom)


Abstract:

Recent experiments demonstrate how dissolution, in conjunction with gravitationally-induced convective flows, can create sharp geometric features. These laboratory-created structures give insight into geological features known as karst pinnacles. A new computational approach, specially tailored to the hyberbolic nature of the underlying PDEs, reveals convergence to a morphological attractor with high, yet finite, tip curvature. These results reverse previous hypotheses on shock formation (i.e. finite-time blowup of tip curvature), agree well with laboratory experiments, and enable simple estimates for the age of geological structures.


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