Search Results - "Papathanasiou, Theodosios K."

Simulation of thermal shock cracking in ceramics using bond-based peridynamics and FEM by Giannakeas, Ilias N., Papathanasiou, Theodosios K., Bahai, Hamid

“…The effects of moderate intensity ‘hot’ or ‘cold’ shock in brittle solids have been extensively studied, while much less is known about thermal shock response…”
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Wave reflection and cut‐off frequencies in coupled FE‐peridynamic grids by Giannakeas, Ilias N., Papathanasiou, Theodosios K., Bahai, Hamid

“…Summary Reflections are typically observed when pulses propagate across interfaces. Accordingly, spurious reflections might occur at the interfaces between…”
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Coupling XFEM and peridynamics for brittle fracture simulation—part I: feasibility and effectiveness by Giannakeas, Ilias N., Papathanasiou, Theodosios K., Fallah, Arash S., Bahai, Hamid

“…A peridynamics (PD)–extended finite element method (XFEM) coupling strategy for brittle fracture simulation is presented. The proposed methodology combines a…”
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Coupling XFEM and Peridynamics for brittle fracture simulation: part II—adaptive relocation strategy by Giannakeas, Ilias N., Papathanasiou, Theodosios K., Fallah, Arash S., Bahai, Hamid

“…An adaptive relocation strategy for a coupled XFEM–Peridynamic (PD) model is introduced. The motivation is to enhance the efficiency of the coupled model and…”
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Hydroelastic analysis of VLFS based on a consistent coupled-mode system and FEM by Papathanasiou, Theodosios K., Belibassakis, Kostas A.

“…Three models for the interaction of water waves with large floating elastic structures are analysed. The first model, based on the Euler-Bernoulli beam theory,…”
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On the resonant hydroelastic behaviour of ice shelves by Papathanasiou, Theodosios K., Karperaki, Angeliki E., Belibassakis, Kostas A.

“…•Ice shelf resonant hydroelastic vibrations are studied using characteristic frequencies that maximise the response.•Higher-order hydroelastic finite elements…”
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Thermo-mechanical response FEM simulation of ceramic refractories undergoing severe temperature variations by Papathanasiou, Theodosios K., Dal Corso, Francesco, Piccolroaz, Andrea

“…The development of thermal stresses inside refractory ceramics experiencing severe thermal shock is studied. The present analysis departs from the linear…”
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Finite element simulation of a gradient elastic half-space subjected to thermal shock on the boundary by Papathanasiou, Theodosios K., Gourgiotis, Panos A., Dal Corso, Francesco

“…•FE solution of a gradient elastic half-space subjected to thermal shock.•Energy type stability estimates for the coupled thermoelastic system.•Dispersive…”
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Semi-explicit solutions to the water-wave dispersion relation and their role in the nonlinear Hamiltonian coupled-mode theory by Papathanasiou, Theodosios K, Papoutsellis, Christos E, Athanassoulis, Gerassimos A

“…The Hamiltonian coupled-mode theory (HCMT), recently derived by Athanassoulis and Papoutsellis [1], provides an efficient new approach for solving fully…”
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Thermo-mechanical response FEM simulation of ceramic refractories undergoing severe temperature variations by Papathanasiou, Theodosios K, Corso, Francesco Dal, Piccolroaz, Andrea

“…The development of thermal stresses inside refractory ceramics experiencing severe thermal shock is studied. The present analysis departs from the linear…”
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