Search Results - "Makradi, A."

Three-dimensional transient finite element analysis of the selective laser sintering process by Dong, L., Makradi, A., Ahzi, S., Remond, Y.

“…A transient three-dimensional finite element model is developed to simulate the phase transformation during the selective laser sintering process; taking into…”
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Modeling and validation of the large deformation inelastic response of amorphous polymers over a wide range of temperatures and strain rates by Richeton, J., Ahzi, S., Vecchio, K.S., Jiang, F.C., Makradi, A.

“…A robust physically consistent three-dimensional constitutive model is developed to describe the finite mechanical response of amorphous polymers over a wide…”
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Deployment of a self-expanding stent inside an artery: A finite element analysis by Azaouzi, M., Makradi, A., Belouettar, S.

“…► A finite element analysis (FEA) was performed to study the behavior of a cardiovascular stent. ► A reduced model was used for a simplified and quantitative…”
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Numerical investigations of the structural behavior of a balloon expandable stent design using finite element method by Azaouzi, M., Makradi, A., Belouettar, S.

“…► Bridge’s design has a significant impact on the flexibility of cardiovascular balloon-expandable stents. ► Residual stresses over the stent that are…”
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A study of composite laminates failure using an anisotropic gradient-enhanced damage mean-field homogenization model by Wu, L., Sket, F., Molina-Aldareguia, J.M., Makradi, A., Adam, L., Doghri, I., Noels, L.

“…The failure of carbon fiber reinforced epoxy laminates is studied using an anisotropic gradient-enhanced continuum damage model embedded in a mean-field…”
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On the numerical investigation of cardiovascular balloon-expandable stent using finite element method by Azaouzi, M., Makradi, A., Petit, J., Belouettar, S., Polit, O.

“…•Fatigue resistance of cardiovascular stent is sensitive to the strut dimensions.•The fatigue lifetime may be determined in one day using a piezoelectric…”
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An XFEM crack-tip enrichment for a crack terminating at a bi-material interface by Bouhala, L., Shao, Q., Koutsawa, Y., Younes, A., Núñez, P., Makradi, A., Belouettar, S.

“…► Development of the crack-tip enrichment for a crack terminating at a bi-material interface. ► Implementation of the found enrichment in the XFEM. ► Coupling…”
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Hybrid twin models of fiber compaction for composite manufacturing based on dual kriging by Trochu, F., Vernet, N., Sun, Y., Echaabi, J., Makradi, A., Belouettar, S.

“…During the preforming stage in Liquid Composite Molding (LCM), dry fibrous reinforcements are compacted to obtain a specific fiber volume fraction. Knowledge…”
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A new three-phase model to estimate the effective elastic properties of semi-crystalline polymers: Application to PET by Gueguen, O., Ahzi, S., Makradi, A., Belouettar, S.

“…In this paper, the effective elastic properties of semi-crystalline polymers are computed through a new three-phase model. The formulation of this approach is…”
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A micro–meso-model of intra-laminar fracture in fiber-reinforced composites based on a discontinuous Galerkin/cohesive zone method by Wu, L., Tjahjanto, D., Becker, G., Makradi, A., Jérusalem, A., Noels, L.

“…•The transverse failure of composite materials is studied at the microscale.•The numerical fracture model is based on a discontinuous Galerkin/cohesive zone…”
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Micromechanics-based multi-site modeling of elastoplastic behavior of composite materials by Azoti, W.L., Koutsawa, Y., Tchalla, A., Makradi, A., Belouettar, S.

“…•The Multi-Site Mori–Tanaka scheme is derived from the Eshelby ellipsoidal inclusion.•The neighborhood of the inclusions is studied through the “MS-6” and…”
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Micromechanically based formulation of the cooperative model for the yield behavior of semi-crystalline polymers by Gueguen, O., Richeton, J., Ahzi, S., Makradi, A.

“…In this paper, a micromechanically based formulation of the cooperative model is proposed for the yield behavior of semi-crystalline polymers. The…”
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Fabrication and electrical characterization of several YSZ tapes for SOFC applications by Fernández-González, R., Molina, T., Savvin, S., Moreno, R., Makradi, A., Núñez, P.

“…Y2O3 stabilized zirconia (YSZ) is frequently used as an electrolyte in solid oxide fuel cells (SOFC). Tape-casting is a readily available and easy-to-use…”
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Material Twin for composite material microstructure generation and reconstruction by Shao, Q., Makradi, A., Fiorelli, D., Mikdam, A., Huang, W., Hu, H., Belouettar, S.

“…The paper describes the modelling and the subsequent implementation of an integrated system that consists of a composite material microstructure and its…”
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An advanced numerical model for energy conversion and crack growth predictions in Solid Oxide Fuel Cell units by Shao, Q., Fernández-González, R., Ruiz-Morales, J.C., Bouhala, L., Fiorelli, D., Younes, A., Núñez, P., Belouettar, S., Makradi, A.

“…A dynamic mathematical model capable of predicting the energy conversion and crack propagation in Solid Oxide Fuel Cell (SOFC) unit is developed. Finite…”
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Incremental mean-fields micromechanics scheme for non-linear response of ductile damaged composite materials by Tchalla, A., Azoti, W.L., Koutsawa, Y., Makradi, A., Belouettar, S., Zahrouni, H.

“…•The Incremental Micromechanics Scheme is used based on the Eshelby inclusion concept.•The ductile damage of Lemaıˆtre–Chaboche is coupled with the classical…”
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Influence of heat transfer and fluid flow on crack growth in multilayered porous/dense materials using XFEM: Application to Solid Oxide Fuel Cell like material design by Shao, Q., Fernández-González, R., Mikdam, A., Bouhala, L., Younes, A., Núñez, P., Belouettar, S., Makradi, A.

“…•A new advanced numerical method is introduced to study fluid flow and heat transfer on crack propagation in porous media.•Fluid flow and heat transfer are…”
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A novel microstructured metal-supported solid oxide fuel cell by FERNANDEZ-GONZALEZ, R, HERNANDEZ, E, SAVVIN, S, NUNEZ, P, MAKRADI, A, SABATE, N, ESQUIVEL, J. P, RUIZ-MORALES, J. C

“…An innovative design, alternative to the conventional metal supported fuel cells (MSC) is proposed. This new design of Solid Oxide Fuel Cell (SOFC), comprises…”
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Characterization and fabrication of LSCF tapes by Fernández-González, R., Molina, T., Savvin, S., Moreno, R., Makradi, A., Núñez, P.

“…In this work the manufacture of commercial La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) by aqueous colloidal processing is presented. The surface behavior of LSCF as a…”
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Effective conductivity in isotropic heterogeneous media using a strong-contrast statistical continuum theory by Mikdam, A., Makradi, A., Ahzi, S., Garmestani, H., Li, D.S., Remond, Y.

“…The strong-contrast formulation is used to predict the effective conductivity of a porous material. The distribution, shape and orientation of the two phases…”
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