Search Results - "Schrefler, B.A."

A mixed finite element procedure of gradient Cosserat continuum for second-order computational homogenisation of granular materials by Li, Xikui, Liang, Yuanbo, Duan, Qinglin, Schrefler, B.A., Du, Youyao

“…A mixed finite element (FE) procedure of the gradient Cosserat continuum for the second-order computational homogenisation of granular materials is presented…”
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Towards prediction of the thermal spalling risk through a multi-phase porous media model of concrete by Gawin, D., Pesavento, F., Schrefler, B.A.

“…Physical phenomena in heated concrete, leading to thermal spalling are discussed. Contribution of the stored elastic energy and vapour pressure build-up to the…”
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A foot finite element model integrating porous media approach and gait analysis: A step forward in the study of the diabetic foot disease by Pizzocaro, Mattia, Guiotto, Annamaria, Sciumè, Giuseppe, Sawacha, Zimi, Cobelli, Claudio, Boso, D.P, Schrefler, B.A

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Meso-hydro-mechanically informed effective stresses and effective pressures for saturated and unsaturated porous media by Li, Xikui, Du, Youyao, Zhang, Songge, Duan, Qinglin, Schrefler, B.A.

“…Based on the meso-structured Voronoi cell model and the meso-macro homogenization procedure between the discrete particle assembly and the porous continuum for…”
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Artificial neural network as an incremental non-linear constitutive model for a finite element code by Lefik, M., Schrefler, B.A.

“…A back propagation artificial neural network (BP ANN) is proposed as a tool for numerical modelling of the constitutive behaviour of a physically non-linear…”
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Generalized stiffness coefficients for ITER superconducting cables, direct FE modeling and initial configuration by Nemov, A.S., Boso, D.P., Voynov, I.B., Borovkov, A.I., Schrefler, B.A.

“…Superconducting coils are one of the key technical solutions used for generation of high magnetic field in modern tokamaks. Nb 3Sn superconductivity depends…”
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Fully coupled numerical simulation of fire in tunnels: From fire scenario to structural response by Pesavento, F., Schrefler, B.A., Gawin, D., Principe, J.

“…In this paper we present an efficient tool for simulation of a fire scenario in a tunnel. The strategy adopted is based on a 3D-2D coupling technique between…”
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Particular aspects of internal length scales in strain localization analysis of multiphase porous materials by Zhang, H.W, Schrefler, B.A

“…Following the work by Zhang et al. [Mech. Cohes.-Frict. Mater. Struct. 4 (1999) 443] we discuss some special features of the internal length scale found in…”
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Multiphase flow in deforming porous material by Schrefler, B.A., Pesavento, F.

“…Models for thermo-hydro-mechanical behaviour of saturated–unsaturated porous media are reviewed. The necessary balance equations are derived using averaging…”
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Thermo-Mechanics of the Hierarchical Structure of ITER Superconducting Cables by Boso, D.P., Lefik, M.J., Schrefler, B.A.

“…Recent experimental tests on the model coils have shown that the behavior of Nb 3 Sn based cables is not as good as expected on the basis of the…”
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THELMA Code Analysis of Bronze Route$rm Nb_3rm Sn$Strand Bending Effect on$rm I_rm c by Ribani, P.L., Boso, D.P., Lefik, M., Nunoya, Y., Richard, L.S., Schrefler, B.A., Zanino, R.

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Simulation of fire and structural response in the Brenner Base Tunnel by means of a combined approach: A case study by Bergmeister, Konrad, Brunello, Pierfrancesco, Pachera, Matteo, Pesavento, Francesco, Schrefler, B.A.

“…•Fire simulation in the Brenner Base railway tunnel.•Concrete is considered as a multiphase porous material.•Different damaging mechanisms of the material are…”
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Irregular and stepwise behaviour of hydraulic fracturing: insights from linear cohesive crack modelling with maximum stress criterion by Khoei, A.R., Mortazavi, S.M.S., Simoni, L., Schrefler, B.A.

“…There is growing evidence that fracture advancement in saturated and dry porous media may be smooth or stepwise. In the stepwise behaviour, there are also…”
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On stepwise advancement of fractures and pressure oscillations in saturated porous media by Peruzzo, C., Simoni, L., Schrefler, B.A.

“…•Importance of an appropriate crack tip advancement/time stepping algorithm.•Possible pitfalls with inappropriate algorithms.•Crack forerunning as an…”
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Modeling a multistrand SC cable with an electrical DC lumped network by Bellina, F., Boso, D., Schrefler, B.A., Zavarise, G.

“…The paper presents a procedure for the numerical computation of the global interstrand resistances measured between strands of superconducting multistrand…”
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Simulation of angiogenesis in a multiphase tumor growth model by Santagiuliana, R., Ferrari, M., Schrefler, B.A.

“…The avascular multiphase model for tumor growth, developed by the authors in previous works, is enhanced to include angiogenesis. The original model comprises…”
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Local and non-local elasto-viscoplasticity in strain localization analysis of multiphase geomaterials by Lazari, M., Sanavia, L., Schrefler, B.A.

“…Summary In this paper, rate‐dependent plasticity is employed to regularize, for the scope of mesh independency, the numerical solution in strain localization…”
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Artificial Neural Networks in numerical modelling of composites by Lefik, M., Boso, D.P., Schrefler, B.A.

“…In this paper, we show some different concepts for the use of Artificial Neural Networks in modelling of composites and hierarchical structures. Starting from…”
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Dynamics of fracturing saturated porous media and self-organization of rupture by Peruzzo, C., Cao, D.T., Milanese, E., Favia, P., Pesavento, F., Hussain, F., Schrefler, B.A.

“…Analytical solutions and a vast majority of numerical ones for fracture propagation in saturated porous media yield smooth behavior while experiments, field…”
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Drug delivery: Experiments, mathematical modelling and machine learning by Boso, Daniela P., Di Mascolo, Daniele, Santagiuliana, Raffaella, Decuzzi, Paolo, Schrefler, Bernhard A.

“…We address the problem of determining from laboratory experiments the data necessary for a proper modeling of drug delivery and efficacy in anticancer therapy…”
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