Thu, 21 May 2026

12:00 - 13:00
L3

Turning noise into signal with soft matter models

Alice Thorneywork
(Department of Chemistry, University of Oxford)
Abstract

For more than a hundred years, scientists have carefully analysed the apparently random fluctuations in Brownian trajectories to learn about soft systems. In a more general sense, however, the information hidden within experimental fluctuations is typically underexploited, due to challenges in unambiguously linking fluctuation signatures to underlying physical mechanisms. In this talk, I will discuss our recent work developing new approaches to interpreting fluctuations in experimental data from a variety of soft systems, and thereby turn ‘noise’ into signal. In particular, I will share some recent results taking a fresh look at fluctuations in equilibrium colloidal monolayers. Here, we have combined experiment, simulation and theory to explore how simply counting colloids can reveal details of self and collective dynamics in interacting systems [1,2,3]. I will then discuss ongoing work to extend this understanding to confined driven systems [4], with the long-term goal of elucidating characteristic fluctuations in our synthetic nanopore experiments [5].


[1] E. K. R. Mackay, B. Sprinkle, S. Marbach, A. L. Thorneywork, Phys. Rev X. (2024)

[2] A. Carter, ALT et al., Soft Matter, 21, 3991, (2025)

[3] E. K. R. Mackay, ALT et al., arXiv:2512.17476, (2025)

[4] S. F. Knowles, E. K. R. Mackay, A. L. Thorneywork, J. Chem. Phys., (2024)

[5] S. F. Knowles, A. L. Thorneywork et al., Phys. Rev. Lett, 127, 137801, (2021)

Thu, 07 May 2026

12:15 - 13:00
L3

Towards a Foundation Model for Computational Engineering: Opportunities, Challenges, and Novel Scaling Laws

Neil Ashton
(NVIDIA)
Abstract

The integration of AI into computational fluid dynamics (CFD) represents a transformative frontier for engineering, yet realizing this potential requires navigating the complexities inherent to fluid mechanics. Bridging the methodological gap between deep learning and traditional CFD simulation, this talk presents work (outlined in the recent preprint: Fluids Intelligence: A forward look on AI foundation models in computational fluid dynamics) to produce a novel scaling law tailored specifically for a fluids foundation model. We explore the theoretical and practical opportunities, analyzing the critical inflection points where model training compute begins to eclipse the high costs of traditional data generation. We conclude by discussing the technical challenges and opportunities the fluids and machine learning communities must collaboratively address to operationalize autonomous computational engineering.

Thu, 22 Oct 2026

12:00 - 13:00
L3

TITLE TBC

Daniele Avitabile
( Amsterdam Center for Dynamics and Computation, Vrije Universiteit Amsterdam)
Thu, 25 Jun 2026

12:00 - 13:00
L3

Intra-disciplinary bridges for multi-dimensional patterns

Priya Subramanian
(University of Auckland)

The join button will be shown 30 minutes before the seminar starts.

Abstract
The perspective of pattern formation has been successful in drawing from and helping advance multiple areas of mathematics, including dynamical systems, partial differential equations and numerical computing. Formal asymptotic and rigorous approaches such as spatial dynamics have been highly successful over the past years to study/prove the existence and stability of patterns in one spatial dimension. They have also been extended to higher dimensions under certain geometries: such as cylinderical, channel-like domains, etc. They are also useful in understanding invasion fronts, localised patterns, spiral waves and defects in 1D. However, the extension of the wealth of the above mentioned approaches to the analysis of patterns in 2D/3D is not straightforward. 
 
A non-exhaustive list of examples of situations that have proved to be resistant to analysis, and yet very relevant in diverse applications are: patterns formed with more than one preferred lengthscale, aperiodic patterns, multi-dimensional defects, spatial localisation without radial symmetry, patterns in heterogeneous domains, patterns in the presence of a dynamic bifurcation parameter, patterns in lattice systems and non-local systems. However in all of these examples, we are able to obtain numerical approximations to equilibria of the associated governing PDE, either through an initial-boundary value problem approach (time-stepping) or via a root-finding approach (numerical continuation). 
 
Since it is a non-objective function if numerical computability equals proof of existence, I want to explore novel and dimensionally agnostic, intra-disciplinary bridges to pattern formation, that will help us to obtain (using computational algebraic geometry), analyse (using computer assisted proofs as a certification problem) and characterise (using topological data analysis) truly multi-dimensional patterns. 
Thu, 04 Jun 2026

12:00 - 13:00
L3

DPhil Talks

Georgina Ryan + Yunhao Ding + William Gillow + Callum Marsh
(OCIAM)

The join button will be shown 30 minutes before the seminar starts.

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