Výsledky vyhledávání - "Carlo Callari"

Numerical interpretation of regressive localized internal erosion in a real-scale levee physical model

This paper presents the numerical interpretation of a recent experiment on a real-scale levee physical model, in order to investigate the process of Backward Erosion Piping (BEP) and validate a recently proposed finite element formulation able to mod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33e0f1d162cd1fd0fab74ae329e59fd3
http://hdl.handle.net/11695/111587

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Assessment of Tunnel Stability: Safety Factors and Numerical Techniques

Autor: Carlo Callari

Publikováno v: Challenges and Innovations in Geomechanics ISBN: 9783030645175

We present a comparison between the performances of “Strength Reduction” and “Unloading” techniques in the computational application of the so-called “Material Factor Approach” to the stability assessment of tunnel faces. In this framewor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f59be55bb2b30e7eb84af76da03d7323
http://hdl.handle.net/11695/96525

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An algorithm based on incompatible modes for the global tracking of strong discontinuities in shear localization analyses

Autor: Carlo Callari, Günther Meschke, Abdullah Alsahly

Publikováno v: Computer Methods in Applied Mechanics and Engineering. 330:33-63

Numerical methods for predicting localized shear failure in elasto-plastic solids have experienced considerable advancements in the last decades. Among these approaches, the so-called “Embedded Strong Discontinuity (ESD)” method is often successf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc2c2ec677e5660aef72175ee020808b
https://doi.org/10.1016/j.cma.2017.10.014

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Numerical modelling of backward front propagation in piping erosion by DEM-LBM coupling

Autor: Eric Vincens, Carlo Callari, Duc Kien Tran, Noémie Prime, Francesco Froiio

Publikováno v: European Journal of Environmental and Civil Engineering
European Journal of Environmental and Civil Engineering, Taylor & Francis, 2016, 21 (7-8), pp.960-987. ⟨10.1080/19648189.2016.1248794⟩

A granular soil REV located on the upstream side of the erosion pipe front is modelled numerically, at the grain scale, by coupling the Discrete Element Method (DEM) with the Lattice Boltzmann Method (LBM) for the representation of the solid and flui

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebf6261f23a76c185cb0b94c6cdee95e
https://doi.org/10.1080/19648189.2016.1248794

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A numerical approach for the analysis of piping erosion in hydraulic works

Autor: Francesco Froiio, Andrea Francesco Rotunno, Carlo Callari

Publikováno v: Lecture Notes in Civil Engineering ISBN: 9783319994222

A method recently proposed for the computational modeling of backward erosion piping is applied for the numerical back-analysis of some pioneering experimental tests on physical models of cofferdams performed by Marsland (1953).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4f0c151f8689907dcf18598ceff5ffb
http://hdl.handle.net/11695/80397

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A numerical experiment of backward erosion piping: kinematics and micromechanics

Autor: Andrea Francesco Rotunno, Francesco Froiio, Carlo Callari

Publikováno v: Meccanica
Meccanica, Springer Verlag, In press

International audience; We report on a numerical experiment by which we investigated the propagation of an erosion pipe in a water saturated granular soil. The simulation was performed with a two-dimensional implementation of the coupling between the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d105542e7ed6fbcef8dc856e3301dd7
https://hal.archives-ouvertes.fr/hal-02305966

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The outlets of the Albano and Fucine Lakes and their influence from Roman times up to the birth of modern tunnel engineering

Autor: Carlo Callari

Publikováno v: Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art ISBN: 9780429424441
Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art ISBN: 9781003029670

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dc1d56deee4b6767bcaab267910f5b8
http://hdl.handle.net/11695/86257

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