free vibration of sandwich plates with temperature dependent functionally graded (fg) face sheets in various thermal environments is investigated. the material properties of fg face sheets are assumed to be temperature-dependent and vary continuously through the thickness according to a power-law distribution in terms of the volume fractions of the constituents. also, the material properties of...

The present study investigates the axial vibration of double-walled nanotubes. Using nanorod continuum model with van der Waals effect, vibrational frequencies are studied. Aydogdu (Journal Vibration and Control, Vol. 21, Issue 16, (2015), 3132-3154) proposed a reliable for in nanotube. This provided detailed investigation using effects. But sometimes, wrong equation might lead to erroneous sci...

The cascaded three-level neutral-point-clamped (3L-NPC) converter and the modular multi-level (MMC) are attractive solutions for medium-voltage direct-current (MVDC) applications. Due to their low cost compared MMCs, 3L-NPC converters have been adopted in ANGLE-DCa 30 MVA MVDC link demonstration project North Wales, UK. DC voltage imbalance across submodules (SMs) is a common challenge both typ...

Optimizing eigenvalues of biharmonic equations appears in the frequency control based on density distribution of composite rods and thin plates with clamped or simply supported boundary conditions. In this paper, we use a rearrangement algorithm to find the optimal density distribution which minimizes a specific eigenvalue. We answer the open question regarding optimal density configurations to...

PurposeDirect procurement of thoracic organs as compared to using abdominal normothermic regional perfusion (aNRP) is the preferred method for organ in donors after circulatory death (DCD). The use aNRP improves outcomes from liver transplantation. We have developed a technique isolation during that allows successful co-procurement and organs.MethodsIn order achieve both brain volume loss must ...

In this paper, Eringen’s nonlocal elasticity and Timoshenko beam theories are implemented to analyze the bending vibration for non-uniform nano-beams.  The governing equations and the boundary conditions are derived using Hamilton’s principle. A Generalized Differential Quadrature Method (GDQM) is utilized for solving the governing equations of non-uniform Timoshenko nano-beam for pinned-pinned...