Results 71 to 80 of about 3,082 (261)
A Constitutive Model for Stud Connection in Composite Structures
BuildingsThe complexity of finite element analysis for composite structures can be significantly reduced by representing the connector and adjacent concrete as a macroscopic element.
Xi Qin, Wei Zhao
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Power spectral density and the brain
Canadian Journal of Statistics, EarlyView.Abstract Time series from M/EEG (magneto/electroencephalography) and ECoG (electrocorticography) recordings are common sources of information about brain function. The power spectral density (PSD) preserves much of this information, up to second order. In the current decade, a burst of brain diagnostics using the slope of log(PSD) has appeared.
Priscilla E. Greenwood +2 more
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Stability of Viscous Three‐Dimensional Stratified Couette Flow via Dispersion and Mixing
Communications on Pure and Applied Mathematics, EarlyView.ABSTRACT This article explores the stability of stratified Couette flow in the viscous 3d$3d$ Boussinesq equations. In this system, mixing effects arise from the shearing background, and gravity acts as a restoring force leading to dispersive internal gravity waves.
Michele Coti Zelati +2 more
wiley +1 more source
Advances in Difference Equations, 2017 The expanded mixed covolume Element (EMCVE) method is studied for the two-dimensional integro-differential equation of Sobolev type. We use a piecewise constant function space and the lowest order Raviart-Thomas ( RT 0 $\mathit{RT}_{0}$ ) space as the ...
Zhichao Fang +3 more
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Journal of Integral Equations and Applications, 1998 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pani, Amiya K., Sinha, Rajen K.
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Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
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Deep Underground Science and Engineering, EarlyView.For the roof of coral reef limestone caverns, a novel tension‐shear composite failure mechanism was developed. The most critical tensile crack model was identified using a hybrid optimization algorithm, and the stability of the cavern roof was analyzed accordingly.
Dongsheng Xu, Chenxu Li, Chuantan Hou
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Numerical Analysis of Backward Euler-Galerkin Method for Water Contamination Problem
Advances in Applied Mathematics, 2017 分析了浅水流动中的水污染扩散问题的Galerkin有限元方法，对于时间变量用向后Euler法进行离散。最后通过具体例子进行了数值模拟。 The Galerkin finite element method for the diffusion of water contamination is analyzed. The time variable is discretized by backward Euler method. Finally, we did numerical simulations with a concrete example.
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Energy Science &Engineering, EarlyView.The Radial Force (RF) distribution under different cutting angles is presented in Figure 1. Generally, the distribution of RF displays divergence across different flow conditions. The pattern of force distribution reveals a total of 24 peaks, which corresponds to the number of blades of the impeller of the SCP.
Kofi Asamoah Adu‐Poku +3 more
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The split-step backward Euler method for linear stochastic delay differential equations
Journal of Computational and Applied Mathematics, 2009 The authors consider a scalar linear system of Itô stochastic delay differential equations \[ \begin{cases} dy(t) & = (a y(t) + b y(t -\tau) dt + (c y (t) + dy(t-\tau))dW(t), \quad t \geq 0,\\ y(t) & = \psi (t), \quad t\in [-\tau, 0]\end{cases}\tag{1} \] where \(W(t)\) is on dimensional standard Wiener process, \(\tau >0.\) A split-step backward Euler (
Zhang, Haomin, Gan, Siqing, Hu, Lin
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