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Topologies of Shear and Strain Promote Chaotic Mixing in Helical Flow
Physics aids explainable artificial intelligence. The inherent topology of a chaotic system is often a boon to learning algorithms. Helical or screw...
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2D SPH simulation of an anaerobic digester
Understanding the hydrodynamics within the anaerobic digester tank of a wastewater treatment plant is of high importance to ensure sufficient mixing...
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Energy-based nonlinear dynamical modeling of dielectric elastomer transducer systems suspended by elastic structures
This paper presents the Hamilton principle approach to model, design and control mechatronic systems using dielectric elastomer transducers (DET)...
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Liutex identification on hairpin vortex structures in a channel based on msfle and moving-PIV
The spatiotemporal evolution of hairpin vortex structures in a fully developed turbulent boundary layer is investigated qualitatively and...
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Investigation of 3D Coherent Structures in Turbulent Boundary Layers at High Reynolds Numbers Using MultiPulse-STB
Large wall shear stress events in turbulent boundary layers (TBLs) produce significant drag and are determined by the dynamics of coherent...
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Numerical methodology to model offshore systems composed of slender structures
Subsea systems for oil exploitation and renewable offshore energy generally employ cables, hoses, risers, umbilical and power energy cables, mooring...
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A class of coherent potentials for two-phase cree** solids
A class of thermodynamic potentials for two-phase cree** solids accounting for microstructural disorder and constitutive nonlinearity is proposed....
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Investigation of Coherent Motions in a Flat-Plate Turbulent Boundary Layer with Adverse Pressure Gradient
Convection velocities of small- and large-scale patterns in a turbulent boundary layer obtained via Direct Numerical Simulation are computed by...
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Hidden flow structures in compressible mixing layer and a quantitative analysis of entrainment based on Lagrangian method
The compressible mixing layer is an important physical model to describe the mixing enhancement in scramjet combustors. The downstream coherent...
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High-speed volumetric particle tracking measurements of unstable helical vortex pairs
We present results from an experimental study investigating pairs of helical vortices generated by a one-bladed rotor in hovering conditions....
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Direct Numerical Simulation of Vortex Breakdown in Evaporating Dilute Sprays
The effects of different vortex breakdown states on the evaporation process characterizing air-acetone vapor swirling jets laden with liquid acetone...
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Lagrangian and Eulerian measurements in high-speed jets using Multi-Pulse Shake-The-Box and fine scale reconstruction (VIC#)
AbstractAccurate measurement of high-speed flows in the presence of elevated levels of shear and turbulence is a challenging yet necessary endeavor...
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Direct Lagrangian method to characterize entrainment dynamics using particle residence time: a case study on a laminar separation bubble
AbstractThis study demonstrates the feasibility of characterizing small-scale flow dynamics using path-specific Particle Residence Time (PRT). PRT,...
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Visualization of Lagrangian fluid transport of a vortex ring based on time-resolved PIV
AbstractWe carry out experiments on vortex ring flows submerged underwater which are generated by a pulsatile circular jet with the stroke ratio of...
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PIV-based fast pressure reconstruction and noise prediction of tandem cylinder configuration
The present work proposes a fast and optimized experimental approach for pressure reconstruction and far-field noise prediction for flow past tandem...
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Toward multiphysics multiscale concurrent topology optimization for lightweight structures with high heat conductivity and high stiffness using MATLAB
Structural light weighting is vital for increasing energy efficiency and reducing CO 2 emissions. Furthermore, for many applications, high heat...
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Dynamics and entrainment mechanism of the jet flows from an elliptical nozzle: time-resolved tomographic PIV measurements
In this study, the coherent structure dynamics and entrainment capability of elliptical jets emitted from an elliptical nozzle with aspect ratio (AR)...
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Synergetic concrete shape and cable layout optimization of pre-stressed concrete beams
The present study proposes a new technique intended towards the synergetic optimization of concrete shape and cable layout of pre-stressed concrete...
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Do We Really Need Pantographic Structures?
This chapter attempts to provide a comprehensive answer to the challenging question: do we really need pantographic structures? This question may...
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Eulerian spectrum of finite-time Lyapunov exponents in compound channels
Fluid flows reveal a wealth of structures, such as vortices and barriers to transport. Usually, either an Eulerian or a Lagrangian frame of reference...
