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Boosting adversarial robustness via feature refinement, suppression, and alignment
Deep neural networks are vulnerable to adversarial attacks, bringing high risk to numerous security-critical applications. Existing adversarial...
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Gradient and Related Operators
In a continuation of vectorVector(s)and tensor calculus and tensor calculus, this chapter mainly studies the actions of gradient , divergence and...
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Statistics of Scalar Dissipation and Strain/Vorticity/Scalar Gradient Alignment in Turbulent Nonpremixed Jet Flames
Turbulence and mixing statistics are investigated in a set of flames at a jet Reynolds number of 15000 achieving a Taylor’s scale Reynolds number in...
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On-Chip DNN Training for Direct Feedback Alignment in FeFET
The current backpropagation (BP) training algorithm for deep neural networks (DNNs) requires all trainable parameters be stored in memory and used...
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Studying turbulence structure near the wall in hydrodynamic flows: An approach based on the Schur decomposition of the velocity gradient tensor
The Schur decomposition of the velocity gradient tensor (VGT) is an alternative to the classical Cauchy-Stokes decomposition into rotation rate and...
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Turbulence Effects on the Statistical Behaviour and Modelling of Flame Surface Density and the Terms of Its Transport Equation in Turbulent Premixed Flames
The influence of the ratio of integral length scale to flame thickness on the statistical behaviours of flame surface density (FSD) and its transport...
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Analyzing torsional vibration in restrained functionally graded nanobeams: nonlocal Lam strain gradient approach
This research explores the free torsional vibration behavior of a functionally graded (FG) circular nanobeam, constrained at both ends by torsion...
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The Application of the Accelerated Proximal Gradient Descent Algorithm for the Solution of the Weighted Schatten-p Norm in Sparse Noise Extraction
In this study, we introduce the weighted Schatten-p norm optimization robust principal component analysis model, transforming the nuclear norm into a...
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Machine Learning-Assisted Modeling of Pressure Hessian Tensor
Velocity gradient dynamics play a pivotal role in understanding various nonlinear phenomena in turbulent flows. In the evolution of velocity gradient...
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Evolution of Flame Displacement Speed Within Flame Front in Different Regimes of Premixed Turbulent Combustion
A transport equation for the flame displacement speed evolution in premixed flames is derived from first principles, and the mean behaviours of the...
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Scalar Gradient and Strain Rate Statistics in Oblique Premixed Flame–Wall Interaction Within Turbulent Channel Flows
Three-dimensional direct numerical simulations of V-flames interacting with chemically inert walls in a fully developed turbulent channel flow have...
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Influence of Thermal Expansion on Fluid Dynamics of Turbulent Premixed Combustion and Its Modelling Implications
The purpose of this paper is to demonstrate the effects of thermal expansion, as a result of heat release arising from exothermic chemical reactions,...
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Analyzing the effect of dilatation on the velocity gradient tensor using a model problem
The effect of variable mass density on the velocity gradient tensor is addressed by means of a model problem. An equation system for both the...
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Effects of Mixture Distribution on the Structure and Propagation of Turbulent Stratified Slot-Jet Flames
The influence of mixture stratification on the development of turbulent flames in a slot-jet configuration has been analysed using Direct Numerical...
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Deep Reinforcement Learning for Solving Multi-objective Vehicle Routing Problem
This paper presents a novel app roach for solving the multi-objective vehicle routing problem (MOVRP) using deep reinforcement learning. The MOVRP...
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Alignment dynamics of diffusive scalar gradient in a two-dimensional model flow
The Lagrangian two-dimensional approach of scalar gradient kinematics is revisited accounting for molecular diffusion. Numerical simulations are...
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Gradient Local Auto Correlation Co-occurrence Machine Learning Model for Endometrial Tuberculosis Identification
The effect of endometrial tuberculosis on female fertility is a topic of research for computational aid to assist gynecologists. Early diagnosis...
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Formation Control via Orientation Alignment
Based on gradient control laws, the global stabilization is assured for some specific formations in Chap. 3...