Ajit Achuthan
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View article: Influence of effective thickness in elastic anisotropy and surface acoustic wave propagation in CoFeB/Au multilayer
Influence of effective thickness in elastic anisotropy and surface acoustic wave propagation in CoFeB/Au multilayer Open
Surface acoustic waves (SAWs) in multilayered nanostructures represent a critical frontier in understanding material behavior at the nanoscale, with profound implications for emerging acoustic and spintronic technologies. In this study, we…
View article: Elastic anisotropy and Surface Acoustic Wave propagation in CoFeB/Au multilayers: influence of thickness and light penetration depth
Elastic anisotropy and Surface Acoustic Wave propagation in CoFeB/Au multilayers: influence of thickness and light penetration depth Open
Surface acoustic waves in multilayered nanostructures represent a critical frontier in understanding material behavior at the nanoscale, with profound implications for emerging acoustic and spintronic technologies. In this study, we invest…
View article: Influence of Grain Size and Shape of Mechanical Properties of Metal AM Materials
Influence of Grain Size and Shape of Mechanical Properties of Metal AM Materials Open
Metal powder-based additive manufacturing (PAM) typically results in microstructures with a texture and columnar grain structure. The columnar grains can vary greatly in size and shape throughout the microstructure, which can significantly…
View article: A Multiscale Computational Model Combining a Single Crystal Plasticity Constitutive Model with the Generalized Method of Cells (GMC) for Metallic Polycrystals
A Multiscale Computational Model Combining a Single Crystal Plasticity Constitutive Model with the Generalized Method of Cells (GMC) for Metallic Polycrystals Open
A multiscale computational model is developed for determining the elasto-plastic behavior of polycrystal metals by employing a single crystal plasticity constitutive model that can capture the microstructural scale stress field on a finite…
View article: A residual stress study in similar and dissimilar welds
A residual stress study in similar and dissimilar welds Open
Residual strain distributions in similar and dissimilar welds were measured using neutron diffraction (ND) method. Then, using three strain components, three-dimensional stress states were calculated. The results were used to determine the…
View article: Modal response of a computational vocal fold model with a substrate layer of adipose tissue
Modal response of a computational vocal fold model with a substrate layer of adipose tissue Open
This study demonstrates the effect of a substrate layer of adipose tissue on the modal response of the vocal folds, and hence, on the mechanics of voice production. Modal analysis is performed on the vocal fold structure with a lateral lay…