The thesis presents the structural behaviour of fibre reinforced polymer (FRP) laminated composites based on 3D elasticity formulation and finite element modeling using Abaqus. This investigation into the performance of the laminate included subjecting it to various parameters i…
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Perovskite-structured MgSiO3 dominates the mineralogy of Earth's lower mantle. As a result, the physical properties and phase transitions of this mineral are key to understanding anomalous seismic observations of the mantle's lowermost 150-300 km-- the D'' region. Recent literat…
The chapters in this dissertation deal broadly with issues related to outsourcing and financial crises. All three chapters are empirical in nature and utilize plant and/or firm level datasets. The second and third chapters are in the field of trade and labor economics; they focu…
The relationship between trade, growth and the balance-of-payments (BOP) has been a subject of considerable interest and empirical scrutiny to growth and development economics in recent years. This study takes as its motivation these developments and addresses the following ques…
Spectral analysis of surface waves (SASW) method is an in-situ seismic method used for determining the thickness and elastic properties of soil and pavement. The SASW method is fast and economical to perform since no boreholes are required. The method is suitable for sites where…
Uncovering the mechanisms by which nature exhibits emergent patterns and behaviors has been an intellectual ambition throughout history. A worthwhile approach is the design of systems whereby emergence and complexity occur organically and without a central controller—as to mimic…
Comparative demography aims to expose the influence of fundamental life-history variables on the variability in species’ population structure. Classical approaches in comparative demography rely upon dissecting a stage transition matrix for populations and investigating the effe…
Two approaches for computational contact mechanics are explored to provide an accurate and robust numerical simulation of frictional contact. First, a novel quasi-static contact algorithm (Method of First Violation) is developed, which provides a solution over the load history t…
In this thesis we study elliptic PDEs and PDE systems with e-pcriodic coeffi- cients, for small E, using the theory of two-scale homogenisation. We study a class of PDEs of partially degenerating type: PDEs with coefficients that are not uniformly elliptic with respect to E, and…
In this thesis we are interested in the propagation of low-frequency linear elastic waves through composite materials. We use a variety of dynamic homogenization techniques to find the effective elastic properties of some composites. We consider composites with isotropic phases …