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gradient theory

Free vibration and wave propagation of thick plates using the generalized nonlocal strain gradient theory

Free vibration and wave propagation of thick plates using the generalized nonlocal strain gradient theory

... strain- gradient stresses in a unified plate theory, a new size-dependent thick plate model is developed in this ...nonlocal theory or the pure strain-gradient ...PNL theory. As a ...

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A Semi-analytical Solution for Flexural Vibration of Micro Beams Based on the Strain Gradient Theory

A Semi-analytical Solution for Flexural Vibration of Micro Beams Based on the Strain Gradient Theory

... strain gradient theory. The most general form of the strain gradient theory which contains five higher-order material constants has been applied to the micro beam to take the small-scale ...

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Homogeneous droplet nucleation modeled using the gradient theory combined with the PC-SAFT equation of state

Homogeneous droplet nucleation modeled using the gradient theory combined with the PC-SAFT equation of state

... density gradient theory (DGT) combined with the cubic equation of state (EoS) by Peng and Robinson (PR) and the perturbed chain (PC) modification of the SAFT EoS developed by Gross and Sadowski ...

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Density gradient theory combined with the PC-SAFT equation of state used for modeling the surface tension of associating systems

Density gradient theory combined with the PC-SAFT equation of state used for modeling the surface tension of associating systems

... density gradient theory (GT) [1] combined with the physically based equation of state (EoS) are used to model the surface tension for several associating ...Fluid Theory (PC-SAFT) [2] has been ...

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Static analysis of rectangular nanoplates using exponential shear deformation theory based on strain gradient elasticity theory

Static analysis of rectangular nanoplates using exponential shear deformation theory based on strain gradient elasticity theory

... strain gradient elasticity theory and their size ...proposed theory was supported by experimental ...strain gradient elasticity theory using exponential shear deformation theory ...

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Analyzing dynamical snap-through of a size dependent nonlinear micro-resonator via a semi-analytic method

Analyzing dynamical snap-through of a size dependent nonlinear micro-resonator via a semi-analytic method

... 33 gradient theory predicts the range of the multivaluedness region and the jump heights to be smaller in comparison to the modified couple stress and the classical beam ...strain gradient ...

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Gradient   Plasticity Approach To Size Effects

Gradient Plasticity Approach To Size Effects

... of gradient dependent constitutive equations (item (ß) above) in relation to loss of local stability, material softening and deformation patterning is due to Aifantis ...stabilizing gradient terms. The ...

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On the determination of the structure and tension of the interface between a fluid and a curved hard wall

On the determination of the structure and tension of the interface between a fluid and a curved hard wall

... squared-gradient theory 共Sec. III兲 and density functional theory that contains an integral expression for the interaction between fluid molecules 6–8 ...

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Mean-field description of the structure and tension of curved fluid interfaces

Mean-field description of the structure and tension of curved fluid interfaces

... In chapter 5 we investigate the the interfacial properties of colloid-polymer mix- tures theoretically by employing an effective one-component model in which the poly- meric degrees of freedom are integrated out and thus ...

148

Primary resonance of an Euler-Bernoulli nano-beam modelled with second strain gradient

Primary resonance of an Euler-Bernoulli nano-beam modelled with second strain gradient

... continuum theory capable of taking size effects into account. This theory accounts for surface tension and adds sixteen higher-order material parameters in addition to the Lame ...SSG theory, the ...

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A nuclear magnetic resonance investigation of brine inclusions in Antarctic and artificial sea ice : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Science in Physics at Massey University

A nuclear magnetic resonance investigation of brine inclusions in Antarctic and artificial sea ice : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Science in Physics at Massey University

... The sample had to be insulated from the incoming air at the base, and insulated on the sides, to maintain a realistic and uniform temperature gradient. The RF coil with the largest internal diameter (26 mm) was ...

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Towards the Understanding of Ice Crystal-graupel Collision Charging in Thunderstorm Electrification

Towards the Understanding of Ice Crystal-graupel Collision Charging in Thunderstorm Electrification

... tension gradient-driven mechanism where the interfacial flow is drawn from the higher temperature body to the lower temperature body, and (ii) the thermal diffusion mechanism where ions diffuse from regions of ...

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Diffusion models for air pollutants. EUR 5564 e. Environment and quality of life

Diffusion models for air pollutants. EUR 5564 e. Environment and quality of life

... Theoretical analysis of the diffusion of material in turbulent flow has developed along three main lines: the gradient-transfer approach, the statistical theory of turbulent velocity flu[r] ...

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Gradient elasticity: a new tool for the multiaxial high-cycle fatigue assessment of notched components

Gradient elasticity: a new tool for the multiaxial high-cycle fatigue assessment of notched components

... of gradient elasticity and in particular of the Ru-Aifantis theory in estimating the fatigue strength of components presenting different types of stress concentration features and subjected to multiaxial ...

7

Formation of the bicoid morphogen gradient: an mRNA gradient
dictates the protein gradient

Formation of the bicoid morphogen gradient: an mRNA gradient dictates the protein gradient

... Since then, this model has become anchored in textbooks as a fundamental paradigm of developmental biology. Its importance and implications have been described in a review (Ephrussi and St Johnston, 2004), supplemented ...

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Molecular excited states from the SCAN functional

Molecular excited states from the SCAN functional

... and compare with reference results [22] from d-aug- cc-pVTZ approximate third order coupled cluster the- ory, CC3 [47, 48]. For the other molecules, we use the geometries as defined in the original studies from which we ...

9

A theoretical and experimental study of the distorted pyrochlore Bi2Sn2O7

A theoretical and experimental study of the distorted pyrochlore Bi2Sn2O7

... functional theory and examined experimentally using X-ray excited valence band photoemission spectroscopy. A full ionic relaxation was performed in the calculations and the resulting structure is in good agreement ...

7

Theory and description of a gradient wind computer

Theory and description of a gradient wind computer

... Value of the gradLent wind, as in the case discussed by The existence of a normal component means that.. the psrticles of air tend to escape from ,the circulation.[r] ...

22

A New Large Scale Instability in Rotating Stratified Fluids Driven by Small Scale Forces

A New Large Scale Instability in Rotating Stratified Fluids Driven by Small Scale Forces

... analytical theory of the new large scale instability which generates large scale vortices in a strati- fied rotating flow with a constant temperature gradient under the action of a small scale external ...

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An Adaptive Nonlinear Filter for System Identification

An Adaptive Nonlinear Filter for System Identification

... In this section, we develop an algorithm based on the theory of Affine projection [24] for estimation of the coefficients of the nonlinear Hammerstein system using the plant input and output signals. The main idea of ...

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