student profile: Mr Ebrahim Alaei


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Thesis work

Thesis title: A HYDRODYNAMIC-BASED CONSTITUTIVE MODEL FOR MATERIAL POINT METHOD

Supervisors: Itai EINAV

Thesis abstract:

Being a subject of practical importance, elasto-plastic deformation of dense granular media has been under the focus of engineering research for many decades. However, a large number of constitutive models compete, employing strikingly different expressions, with none accepted as authoritative. Moreover, this competition is among theories applicable only to the slow shear rates of elasto-plastic deformation, while rapid dense flow (such as heap flow, mud slide or avalanches) is taken to obey yet rather different equations. The aim of this study is to arrive at a theory that is widely applicable over the complete range of shear rates (though as yet a qualitative one), firmly based in physics. This will be achieved through Material Point Method with a hydrodynamic-based constitutive model.

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