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Turing instability and pattern formation induced by noise in the modified SIR model
In the process of the spread of infectious diseases, it is often affected by demographic noise and stochastic disturbance. But the relationship...
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Numerical investigation of the instability of dry granular bed induced by water leakage
Underground pipe defects or cracks under transport infrastructure can cause water leakage to upper soil layers (e.g. subgrade and cap**), inducing...
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Macroscopic and mesoscopic mechanism of hydration instability of the rock-grout coupled structure
In order to investigate the macroscopic and mesoscopic mechanism of hydration instability of rock-grout structure under the influence of moisture...
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On the effect of characterised initial conditions on the evolution of the mixing induced by the Richtmyer–Meshkov instability
Time-resolved schlieren photography was used to visualise mixing zones induced by the Richtmyer–Meshkov instability. These were initiated with four...
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Diffuse instability of granular material under various drainage conditions: discrete element simulation and constitutive modeling
Diffuse instability is a typical failure mode of sand that occurs before the perfect plastic flow condition is attained. Whereas extensive laboratory...
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Managing Expectations of Energy and Technology Transitions: The Role of Observation in Stability and Instability
Research and policy on the topics of innovations, technological change, or sustainability often reference stability and instability in relation to...
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Secondary instability of Görtler vortices in hypersonic boundary layer over an axisymmetric configuration
The nonlinear development of Görtler instability over a concave surface gives rise to a highly distorted inflectional flow field in the boundary...
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Undrained instability detection under general stress conditions
This work proposes a criterion for the detection of undrained instability under multiaxial stress conditions at elemental level. To do so, it...
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Investigation of the Richtmyer–Meshkov instability using digital holography in the context of catastrophic aerobreakup
We perform shock tube experiments with high-speed digital holography to investigate Richtmyer–Meshkov instabilities on an air-sulfur hexafluoride...
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Robust, strong form mechanics on an adaptive structured grid: efficiently solving variable-geometry near-singular problems with diffuse interfaces
Many solid mechanics problems on complex geometries are conventionally solved using discrete boundary methods. However, such an approach can be...
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Liesegang Patterns Interpreted as a Chemo-Hydromechanical Instability
Patterns in nature form through bifurcations triggered by Multiphysics feedbacks that involve chemical, hydraulic, mechanical, and thermal processes....
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Simulations of the localized necking and Lüders band in irradiated metals by crystal plasticity
In metallic materials, necking instability is initiated by underlying perturbations including surface imperfections or material inhomogeneity, and...
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Observing Weak Signal in Diffuse, Partially Coherent and Coherent Acoustic Noise
The main objective of this chapter is to present new information criteria that expose a moving underwater source based on experimental investigations...
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Role of chloride on the instability of blue emitting mixed-halide perovskites
Although perovskite light-emitting diodes (PeLEDs) have seen unprecedented development in device efficiency over the past decade, they suffer...
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Electrohydrodynamic instability between three immiscible fluids in a microchannel: lubrication analysis
When three immiscible, leaky dielectric, Newtonian fluids with finite physical properties are subjected to pressure-driven base flow in a...
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The Rayleigh–Taylor instability in a porous medium
The classical Rayleigh–Taylor instability occurs when a heavy fluid overlies a lighter one, and the two fluids are separated by a horizontal...
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Plastic instability of mechanical bulging process for Zircaloy-4 cladding tube based on localized necking criterion
Plastic instability of mechanical bulging process, different from the traditional tube hydroforming, is developed for Zircaloy tube based on...
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Failure Mechanics of Geomaterials
Geomaterials represent an important class of dissipative materials whose mechanical behavior is pressure, density, and fabric dependent. This...
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New findings on the evolution of the instability surface of loose sand
The conditions that trigger the unrestrained flow deformation of loose anisotropic sand are investigated. An instability surface (IS) is defined in...
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Fundamental study on chaotic transition of two-phase flow regime and free surface instability in gas deaeration process
Deaeration is a process of eliminating aspirated air from liquid in hydraulic reservoirs to avoid cavitation in the downstream pump blades. The...