... of ASME for publication in the J ournal of E ngineering M aterials and T echnology . 03 07 2022 03 11 2022 03 11 2022 25 11 2022 geometric characterization finite element analysis stochasticity unidirectional composites micromechanics elastic behavior metals...

... dislocations and disclinations as the curl of the plastic part of the velocity gradient and the curl of the curl of the plastic part of the velocity gradient. The proposed formulation was assessed based on classical elasticity solutions of some benchmark micromechanical problems: a plate containing a circular...

...Jaehyeuk Jeon; Anastasia Muliana This study introduces a simplified micromechanical model for analyzing a combined viscoelastic–viscoplastic response of unidirectional fiber reinforced polymer (FRP) composites. The micromechanical model is derived based on a unit-cell model consisting of fiber...

...Dongsheng Li; Said Ahzi; Mohammad Khaleel 15 10 2011 26 10 2011 26 10 2011 12 12 2011 12 12 2011 biomedical materials calcium compounds compressibility creep crystal microstructure fibre reinforced composites finite element analysis micromechanics molecular...

... greatest in the flow direction during molding (3-axis, C 33 ), followed by the transverse (2-axis, C 22 ) and pressing (1-axis, C 11 ) directions. Moreover, experimental measurements for the elastic anisotropy and degree of preferred orientation in the same specimen plane were correlated. A micromechanical...

...Said Ahzi 01 04 2011 19 04 2011 18 07 2011 18 07 2011 micromechanics molecular dynamics method nanocomposites polymers rheology solid-state phase transformations The papers represented in this edition of the Journal of Engineering Materials and Technology...

... of bimaterials and functionally graded materials, characterization of nanocomposites, micromechanics and damage of random fiber composites, virtual testing of composite structures, characterization and modeling of composites embedded with piezoelectrics, and structural health monitoring of heterogeneous...

... a micromechanical model of the indentation process, the effective elastic properties of the constituent tubes or rods as well as the effective properties of the forest can be deduced from load-depth curves of indentation into forests. These studies provide fundamental understanding of the mechanics of indentation...

... cohesive method uses fundamental principles of colloidal physics and micromechanics homogenization techniques to link the atomistic binding potential with the mesoscale material properties of the cohesive zone and hence, the method can provide an effective means to describe heterogeneous material...

... sandwich beams (no PZT crystal) and conditioned sandwich beams (with PZT crystals embedded in the center of one facesheet). Lateral deflection of the sandwich beams was monitored for more than 60 h. The model presented in this paper is composed by two parts: (a) a simplified micromechanical model...

... variable amplitude loading. Micromechanical simulations are conducted on a 7075-T651 Al alloy to quantify the cyclic microplasticity in the matrix adjacent to intact or cracked, life-limiting intermetallic particles. An initial overstrain followed by constant amplitude cyclic straining is simulated...

... fracture mechanics glass internal stresses micromechanics rubber products glass fiber mechanical durability micromechanical model stress corrosion fracture mechanics Glass filament bundles are used to reinforce many rubber products. In such applications it is common for the bundles...

... entanglements means an increase in the number of entanglements in the polymer. As the M e value decreases, increasing tensile strain hardening of polyethylene is observed. In addition to experimental work, parallel micromechanical modeling was carried out to study the entanglement effect in uniaxial tensile...

...A. Abdul-Latif; M. Chadli Motivated by a micromechanical determinist-probabilistic model coupled with damage recently developed by the authors, a new generalization is proposed to describe the nonlinear elasto-inelastic cyclic strain-stress behavior of polycrystals notably under biaxial cyclic...

.... , 2006 , “ Finite-Volume Direct Averaging Micromechanics of Heterogeneous Materials With Elastic-Plastic Phases ,” Int. J. Plast. 0749-6419 10.1016/j.ijplas.2005.04.012 , 22 ( 5 ), pp. 775 – 825 . Pindera , M. -J. , and Bansal , Y. , 2007 , “ On the Micromechanics-Based Simulation...

... drop technique. The damage model has been applied to predict damage evolution in an axisymmetrically notched specimen using finite element analysis. A reasonably good agreement has been observed between numerically simulated and experimentally measured damage behaviors. Damage micromechanisms operative...

... micromechanical models from literature were compared against the FEA data. It shows that Hashin’s concentric cylinder model is the best. However, it is inconvenient for practical applications due to the amount of computation. In this study, based on the FEA data, an engineering model for predicting the transverse...

...Yao Koutsawa; Mohammed Cherkaoui; El Mostafa Daya The present work extends the multicoated micromechanical model of Lipinski et al. (2006, “Micromechanical Modeling of an Arbitrary Ellipsoidal Multi-Coated Inclusion,” Philos. Mag., 86(10), pp. 1305–1326) in the quasistatic domain to compute...

...Brett A. Bednarcyk; Jacob Aboudi; Steven M. Arnold; Roy M. Sullivan The polymer spray-on foam insulation used on NASA’s Space Shuttle external fuel tank is analyzed via the high-fidelity generalized method of cells micromechanical model. This model has been enhanced to include internal pore...

...Mahendra Gattu; Hamed Khatam; Anthony S. Drago; Marek-Jerzy Pindera The finite-volume direct averaging micromechanics (FVDAM) theory for periodic heterogeneous materials is extended by incorporating parametric mapping into the theory’s analytical framework. The parametric mapping enables modeling...