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Job Record #18872
TitleViscoplastic mantle convection
CategoryPhD Studentship
EmployerUniversity of Tasmania
LocationAustralia, TAS, Hobart
InternationalYes, international applications are welcome
Closure DateFriday, March 01, 2024
Description:
Mantle convection is a geophysical process that occurs in the Earth's mantle, which is the solid, rocky layer located between the Earth's crust and the 
outer core. The mantle is primarily composed of solid silicate minerals, but it behaves in a ductile manner over geological time scales due to its high 
temperature and pressure conditions.

Convection in the mantle involves the transfer of heat through the movement of material (rock) driven by temperature and density differences. The 
primary driving force for mantle convection is the heat generated from the decay of radioactive isotopes in the Earth's interior, as well as residual 
heat from the planet's formation. This heat causes the mantle material to become buoyant when heated, rising toward the Earth's surface, and then 
cooling and sinking back down. This cyclic process creates a continuous flow pattern known as mantle convection cells.

Viscoplastic behaviour refers to the combination of both viscous (fluid-like) and plastic (solid-like) behaviour of materials. In the context of mantle 
convection, the mantle can behave as a viscoplastic material in specific temperatures and pressures.

The viscoplastic nature of the mantle has important implications for the geodynamics of the Earth. It influences the movement of tectonic plates at the 
Earth's surface, the formation of mountain ranges, the opening and closing of ocean basins, and the overall heat transfer within the planet.

The heat from mantle convection can influence the behaviour of the Earth's crust, which, in turn, affects the stability and dynamics of the Antarctic 
ice shelves. The movement of tectonic plates due to mantle convection can lead to changes in the shape and size of the Antarctic continent. This, in 
turn, can affect the flow of glaciers and the formation of ice shelves.

Funding
Applicants will be considered for a Research Training Program (RTP) scholarship or Tasmania Graduate Research Scholarship (TGRS) which, if successful, 
provides:

a living allowance stipend of $32,192 per annum (2024 rate, indexed annually) for 3.5 years.
a relocation allowance of up to $2,000
a tuition fee offset covering the cost of tuition fees for up to four years (domestic applicants only)
If successful, international applicants will receive a University of Tasmania Fees Offset for up to four years.

As part of the application process, you may indicate if you do not wish to be considered for scholarship funding.

The project is competitively assessed and awarded.  Selection is based on academic merit and suitability to the project as determined by the College.

Additional essential selection criteria specific to this project:

Solid knowledge of Fluid Mechanics, and heat transfer
Solid knowledge of mathematical modeling.
A solid knowledge of Computational Fluid Dynamics
Knowledge of natural convection

Send your CV and the English certificate to the email.
Contact Information:
Please mention the CFD Jobs Database, record #18872 when responding to this ad.
NameDr. Gholamreza Kefayati
Emailgholamreza.kefayati@utas.edu.au
Email ApplicationYes
Phone+61362261554
AddressChurchill Ave
Record Data:
Last Modified22:42:56, Friday, December 08, 2023

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