Objective
To construct a new Reduced Model - a system of partial differential equations - which describes the dominant thermomechanical balances governing the flow of a large ice sheet, which incorporates the anisotropy induced by the evolution of fabric (realignments of crystal axes) as ice descends to depth.
Samples from deep ice cores will be examined to establish the distinct shear responses on planes at different
inclinations, and deduce the dominant shear planes and their normal axes.
Numerical simulation of the deformation of a polycrystal aggregate with initially random distribution of axes
will be performed to observe the evolution of axes realignments, and infer dependence on stress and
deformation.
Frame indifferent constitutive laws, which incorporate structure evolution to model observed behaviour, will
be constructed. Within the project the new laws will be incorporated into the mass, momentum and energy
balance of a gravity driven ice sheet flow, and investigation of simplifications achieved by co-ordinate stretching
to reflect the large aspect ratios will be done.
The reduced models will be applied to idealised flows to illustrate the effects of fabric, and to specific examples
of current ice sheet configurations.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences mathematics pure mathematics mathematical analysis differential equations partial differential equations
- social sciences law
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
NORWICH
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.