Computation of simple invariant solutions in fluid turbulence with the aid of deep learning [0.03%]
借助深度学习计算流体湍流的简单不变解
Jacob Page
Jacob Page
The dynamical systems view of a turbulent fluid flow provides a tantalizing connection between the self-sustaining nonlinear mechanics of turbulence and its more well-known statistical properties, and promises to open up new avenues in our ...
Swimming dynamics of screw-shaped untethered magnetic robots in confined spaces [0.03%]
螺旋状无绳磁力机器人在狭小空间内的游泳动力学性能研究
Luuc de Jongh,Anke Klingner,Leendert-Jan W Ligtenberg et al.
Luuc de Jongh et al.
In confined environments, the propulsion speed of torque-driven helical untethered magnetic robots (UMRs) depends on vessel diameter and helical pitch. This phenomenon likely affects the swimming speed of these robots when navigating in viv...
Bifurcation-based dynamics and internal resonance in micro ring resonators for MEMS applications [0.03%]
微环谐振器的分岔动力学及内部共振在MEMS中的应用
Saber Azizi,Hamed Haddad Khodaparast,Hadi Madinei et al.
Saber Azizi et al.
This paper presents a novel investigation into the dynamics of a micro ring structure subjected to harmonic base excitation, designed as a highly sensitive MEMS mass sensor or bifurcation-based switch. Leveraging the in-plane nature of the ...
Optimal control under safety constraints and disturbances: a multi-step, off-policy adaptive dynamic programming approach [0.03%]
基于安全约束和扰动的最优控制:多步时策略无关自适应动态规划方法
Jun Ye,Xiaowei Zhao,Yougang Bian et al.
Jun Ye et al.
This paper introduces a multi-step, off-policy adaptive dynamic programming approach, in both model-free and model-based variants, intending to solve optimal control problems under disturbances and safety constraints. To provide a more accu...
Elise Özalp,Luca Magri
Elise Özalp
Partial differential equations, and their chaotic solutions, are pervasive in the modelling of complex systems in engineering, science, and beyond. Data-driven methods can find solutions to partial differential equations with a divide-and-c...
Nonlinear aeroelastic modelling and analysis of a geometrically nonlinear wing with combined unsteady sectional and lifting line aerodynamics [0.03%]
基于非线性翼型气动的机翼大变形非线性气弹分析与数值模拟研究
Sanuja Jayatilake,Mark Lowenberg,Benjamin K S Woods et al.
Sanuja Jayatilake et al.
This research develops a novel geometrically nonlinear aeroelastic model of a cantilevered flexible wing capable of capturing unsteady aerodynamics with finite span effects. The structural model is developed using a Chebyshev-Ritz approach ...
Yao Yan,Joseph Páez Chávez,Jiajia Shen et al.
Yao Yan et al.
Functionalised nonlinear structures employing structural instabilities for rapid response shape-shifting are emerging technologies with a wide range of potential applications. The von Mises truss is a widely employed model for such function...
From deterministic to stochastic: limits of extracting bifurcation diagrams for noisy bistable oscillators with the control-based continuation method [0.03%]
从确定性到随机性:使用基于控制的连续方法提取噪声双稳态振荡器分岔图的极限
Henrik T Sykora,Sandor Beregi
Henrik T Sykora
Noise limits the information that can be experimentally extracted from dynamical systems. In this study, we review the Control-based Continuation (CBC) approach, which is commonly used for experimental characterisation of nonlinear systems ...
Novel efficient reservoir computing methodologies for regular and irregular time series classification [0.03%]
处理规则和不规则时间序列分类的新型高效水库计算方法学
Zonglun Li,Andrey Andreev,Alexander Hramov et al.
Zonglun Li et al.
Time series is a data structure prevalent in a wide range of fields such as healthcare, finance and meteorology. It goes without saying that analyzing time series data holds the key to gaining insight into our day-to-day observations. Among...
Gengxiang Wang,Andrew Bickerdike,Yang Liu et al.
Gengxiang Wang et al.
This study develops a dynamics model of a microrobot vibrating in a blood vessel aiming to detect potential cancer metastasis. We derive an analytical solution for microrobot's motion, considering interactions with the vessel walls modelled...