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CARMA Seminar

4:00 pm

Thursday, 24th Oct 2019

VG10, Mathematics Building


Dr Carlo Massobrio

(Université de Strasbourg)

First principles molecular dynamics: a tool to study materials at the atomic scale

This talk will focus on the basic concepts of first-principles molecular dynamics (FPMD) and on some related applications developed within our team at IPCMS in Strasbourg. We are interested in achieving quantitative predictions for materials at the atomic scale by relying on models based on an appropriate account of chemical bonding. This scheme allows for the production of temporal trajectories ensuring the connection between statistical mechanics and macroscopic properties. FPMD lies at the crossroad between molecular dynamics and density functional theory, this latter playing the role of potential energy depending on both the atomic and electronic structure of the system. Examples will be provided for several areas within computational materials science, with special emphasis on disordered materials.

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DEFT Members' Meeting

8:30 am

Tuesday, 29th Oct 2019


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PhD Confirmation Seminar

11:00 am

Tuesday, 29th Oct 2019

SRG01,


Fillipe Georgiou

(CARMA, The University of Newcastle)

From single cells to insect swarms: Non-local Advection for some problems in Biology

Classic modelling of biological systems assumes the length scale of interaction is far less than the modelling length scale. However, biological interactions can occur over long ranges via mechanisms such as sight and smell. It is possible to capture these interactions using classic conservation laws with a non-local velocity term. In this talk I will present various applications of non-local modelling from the modelling of phagocytosis at a single cell level up to the swarming behaviour of locusts. I will also look at various analysis and simulation techniques needed to approach these problems. Finally, I will present future goals and direction for my work.

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CARMA Seminar

12:00 pm

Wednesday, 30th Oct 2019

VG10, Mathematics Building


Dr Chris Lustri

(Macquarie University)

The Role of Stokes lines in Physical Systems

Systems with small parameters are often studied using asymptotic techniques. Despite the ubiquity of these techniques, many classical asymptotic methods are unable to capture behaviour that occurs on an exponentially small scale, which lies "beyond all orders" of power series in the small parameter. Typically this does not cause any issues; this behaviour is too small to have a measurable impact on the overall behaviour of the system. I will showcase two systems in which exponentially small contributions have a significant effect on the overall system behaviour.

The first system, which I will discuss in detail, will be nonlinear waves propagating through particle chains with periodic masses. I will show that it is typically possible for Toda and FPUT lattices for certain combinations of parameters - determined by the exponentially small system behaviour - to produce solitary waves that propagate indefinitely. The second system, which I will discuss more briefly, will be the shape of bubbles in a steadily translating Hele-Shaw cell. By studying exponentially small effects, it is possible to construct exotic bubble shapes which correspond to recent laboratory experiments.

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CARMA Seminar

4:00 pm

Thursday, 31st Oct 2019

VG10, Mathematics Building


Dr Alejandra Garrido

(The University of Newcastle)

Title to be announced...

To be announced...

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CARMA Seminar

4:00 pm

Thursday, 7th Nov 2019

VG10, Mathematics Building


Dr Elena Levchenko

(School of Mathematical and Physical Sciences, The University of Newcastle)

Title to be announced...

To be announced...

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CARMA Retreat

9:00 am — 5:00 pm

Wednesday, 20th Nov 2019

Noah's On the Beach [Newcastle, NSW]

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CARMA Workshop

Data Science Down-Under

Sunday, 8th Dec 2019 — Thursday, 12th Dec 2019

Fort Scratchley Function Centre [Newcastle, NSW]

For more information, please visit the workshop webpage.

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CARMA Workshop

Mathematics in Industry Study Group 2020

Tuesday, 28th Jan 2020 — Saturday, 1st Feb 2020

NewSpace (City Campus)

Visit the MISG website for more information.

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