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fpi-so phd students

Blanco, Pau
FPI-Severo Ochoa PhD Student

Position: PhD in Applied Mathematics (Soft and Living Material Interfaces)

Director: Marino Arroyo

Related grant: Grants for pre-doctoral contracts for the training of doctors 2020

Research line: During the last years, thanks to the characterization and mechanical manipulation as well as mathematical models and numerical, it has been established that essential aspects of tissue biology can be explained in based on physical principles, seeing tissues as living and active materials that interact with other materials fibrous in connective tissues (extracellular matrix). An example of great relevance is the progression and invasion of cancerous tissues, a process in which the mechanical aspects of the cells and the matrix are essential. Other example are epithelial tissues, where monolayers of cells interact with a matrix to form selective and dynamic barriers. In the case of the intestinal epithelium, this monolayer is capable of being renewed completely every few days maintaining a spatial segregation of cell types and a morphology adapted to its function.

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Casallas, Karen
FPI-Severo Ochoa PhD Student

Position: PhD in Structural Mechanics

Director: Eugenio Oñate

Related grant: Grants for pre-doctoral contracts for the training of doctors 2020

Title of PhD thesis: Finite element methods for solid-pore fluid coupled problems in multi-fractured porous media

Research line: In this thesis, we will start from the fluid flow through porous media formulation already implemented in Kratos Multiphysics, which was designed for fully saturated conditions, and will extend it to a multi-component formulation in which more than one fluid can fill the pores of the solid skeleton.
Furthermore, we will model discontinuities in the porous media by means of both standard finite elements (FEM) with the so-called "smeared crack" models, and also "quasi-zero-thickness" interface elements, which explicitly represent discontinuities, with "discrete crack" models. We will design a multi-scale approach to relate such discrete crack models with the continuum ones, in order to efficiently simulate large-scale problems using the information of the accurate small scale models.

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Dolz, Maria Montserrat
FPI-Severo Ochoa PhD Student

Position: PhD in Composites and Advanced Materials for Multifunctional Structures

Director: Xavier Martínez

Related grant: Grants for pre-doctoral contracts for the training of doctors 2020

Research line: The doctoral student will join the group Composites and Advanced Materials for Multifunctional Structures (CAMMS) of CIMNE. The group has a long experience in the development of numerical models with those that simulate composite materials, and advanced materials, for the subsequent analysis of structures of engineering.
In recent years the group has been applying many of the developments in the simulation of naval structures, in its participation in the European project FIBRESHIP. This project has a certain continuity in the FIBRE4YARDS project which coordinates CIMNE. Part of the developments that the group has to make in the project is to develop a model constitutive with which to characterize the behavior of materials manufactured using Additive Manufacturing and applied to naval structures. The student's job will be to help carry out these models and in applying them to the analysis of structures.

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Narváez, Christian
FPI-Severo Ochoa PhD Student

Position: PhD in Aeronautics

Director: Jordi Pons-Prats

Related grant: Grants for pre-doctoral contracts for the training of doctors 2020

Research line: The doctoral student will join the KRATOS group at CIMNE. The work team has a long experience in the development of numerical models applied in CFD. In recent years the team has developed several novel implementations in CFD, allowing to have an active international participation. This project has a certain continuity with the works already developed in KRATOS. The main novelty is to develop a computational model, based on the enriched finite element / level set model, with which it is possible to predict the behavior of fluids exposed to an electric field in 3D simulations. The work of the student will consist of helping to make these developments.

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Perelló, Rafel
FPI-Severo Ochoa PhD Student

Position: PhD in Innovative Algorithms for Fast Accurate Computing

Director: Antonio Huerta

Related grant: Grants for pre-doctoral contracts for the training of doctors 2019

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Sal, Gastón
FPI-Severo Ochoa PhD Student

Position: PhD in Computational Design & Analysis of Engineering Metamaterials

Director: Xavier Oliver

Related grant: Grants for pre-doctoral contracts for the training of doctors 2019

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Sayad, Babak
FPI-Severo Ochoa PhD Student

Position: PhD in Geomechanics

Director: Antonio Gens

Related grant: Grants for pre-doctoral contracts for the training of doctors 2020

Research line: The storage of nuclear waste within geological formations is a current and responsible option in many countries that use nuclear-electric energy, for the long-term confinement of spent nuclear fuel. In a deposit of radioactive waste housed in a clay formation, hydrogen and other gases can be generated due to corrosion of metallic materials under anoxic conditions, radioactive decay of waste, and radiolysis of water. If the rate of gas production exceeds the rate of gas diffusion within the pores of the clay, a discrete gas phase will form and accumulate until its pressure is large enough to exceed the inlet pressure of the material environment, at which point a dilating and advective gas flow is expected to occur.
The purpose of this research proposal is to better represent numerically the processes that govern advective gas movement both in low permeability clay rocks and engineering barriers based on clay materials. In this work, special attention will be paid to the mechanisms that control the opening, flow, and closure of fractures / cracks (flow paths/paths) that occur locally in the clay, and their impact on the performance of the designed clay barrier, both on a particular/local scale and on a general scale of the construction solution.

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