职位信息
Doctoral student in Molecular simulation of wetting
The energetics and dynamics of wetting are of high interest from both fundamental scientific and technological points of view. Often the macroscopic behavior of wetting is dominated by processes at molecular scale at the interface. Here in particular the three-phase contact line is of importance, where substrate, liquid and gas (or another liquid) meet.
The scales involved can not be observed directly in experiments. Atomistic molecular dynamics simulations can provide the required spatial and time resolutions. In this project we will study how mixtures of two liquids or a liquid plus surfactant wet surfaces. The surfaces can be either simple or have molecules attached to them that interact with the liquid in different ways. In experiments non-trivial behavior has been observed.
There can be several reasons for this, e.g. preferential wetting of the substrate by one of the liquids (energetics), but also differences in dynamic behavior of liquids at the contact line. Molecular dynamics simulations enable us to disentangle such effects and will allow to rationalize behavior observed in experiments.
As a further step, we might be able to capture certain types of behavior as boundary conditions or extensions of continuum models, which are being developed together with collaborators at the department of Mechanics.
This position as a PhD student is within a collaborative environment that is shared with the department of Mechanics, where there is development of continuum methods as well as experiments.
The environment is multi-disciplinary, international and includes the main developers of the popular GROMACS molecular simulation package, which will be used in this project.
To be admitted to postgraduate education (Chapter 7, 39 § Swedish Higher Education Ordinance), the applicant must have basic eligibility in accordance with either of the following:
passed a second cycle degree (for example a master's degree), or
completed course requirements of at least 240 higher education credits, of which at least 60 second-cycle higher education credits, or
acquired, in some other way within or outside the country, substantially equivalent knowledge
In order to succeed as a doctoral student at KTH you need to be goal oriented and persevering in your work. During the selection process, candidates will be assessed upon their ability to:
independently pursue his or her work
collaborate with others,
have a professional approach and
analyse and work with complex issues.
https://www.kth.se/lediga-jobb/750344?l=en
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