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PhD Studentship - Spanning the Scales: Insights into Dislocation Mobility Provided by Machine Learning and Coarse-Grained Models

University of Warwick - HetSys

Qualification Type: PhD
Location: Coventry
Funding for: UK Students, EU Students, International Students
Funding amount: The stipend is at the standard UKRI rate (for 2020/21 that is £15,285 per annum).
Hours: Full Time
Placed On: 25th November 2020
Closes: 21st January 2021

The EPSRC Centre for Doctoral Training in Modelling of Heterogeneous Systems (HetSys) training programme is designed to enable students to become high-quality computational scientists who are comfortable working in interdisciplinary environments, have excellent communication skills, and are well prepared for a wide range of future careers in areas where there is demonstrable need.

The four-year training programme consists of PhD project and integrated taught modules, leading to the award of a postgraduate diploma.

We are looking for enthusiastic students from across the physical sciences who enjoy using their mathematical skills and thinking flexibly to solve complex problems. We require at least a 2(i) honours degree at BSc or an integrated masters degree (e.g. MPhys, MChem, MSci, MEng etc.) in a physical sciences, mathematics or engineering discipline.

https://warwick.ac.uk/fac/sci/hetsys/projects/2021/

Spanning the scales: insights into dislocation mobility provided by machine learning and coarse-grained models

How do metals break? How can we make them stronger? What are the roles of defects and impurities? The strength of materials are ultimately determined by the microscopic interactions on the atomic level, which can be modelled accurately. However, the challenge is that computationally it is not possible to propagate information in one step from the nanometer to the millimeter scale. In this project, you will use combined Quantum Mechanics-Molecular Mechanics and Gaussian Approximation Potentials, a machine learning approach, to develop coarse-grain models of dislocations and to make quantitative predictions of plastic deformations in metals and alloys.

Funding:

HetSys provides funding for the four-year programme to UK students.

We expect a small number of fully funded international places to be available on a competitive basis to exceptional students of any citizenship. Applications must be submitted by 21 January 2021.

Please see the website for further information: https://warwick.ac.uk/fac/sci/hetsys/apply/

The studentships pay a stipend to cover maintenance as well as paying the university fees and research training support. The stipend is at the standard UKRI rate (for 2020/21 that is £15,285 per annum).

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