The CPDs/BiOBr Z-scheme carrier migration system was constructed by a low-heating solid-state chemical reaction, which can simultaneously improve the charge transfer efficiency and maintain high redox activity.

Abstract Motivated by hydraulic stimulation of enhanced geothermal systems, the present paper investigates coupled thermo-hydro-mechanical response a well imbedded in thermoporoelastic medium, subjected to non-isothermal fluid flux and convective cooling on borehole surface. Our focus centers effect local thermal non-equilibrium (LTNE) temporal-spatial evolution temperatures, pore pressure, stresses, where solid phases have two distinct temperatures heat transfer between is addressed. We...

Stiffened plate structures are common structural forms that widely used in various fields. Structural Health Monitoring (SHM) is an important tool to maintain their safe operation. The inverse finite element method (iFEM) a state-of-the-art methodology for SHM can precisely reconstruct full-field displacements through limited strain sensors. In this paper, we study the stiffened cantilever and propose complete damage localization quantification system based on iFEM. By solving location...

The fracture mechanical behaviour of thin-walled structures with cracks is highly significant for structural strength design, safety and reliability analysis, defect evaluation. In this study, the effects various factors on parameters, crack initiation angles plastic zones cylindrical shells are investigated. First, based J-integral displacement extrapolation methods, stress intensity circumferential compound studied using linear elastic mechanics, respectively. Second, theory maximum...

The complexity of earthquakes and the nonlinearity structures tend to increase calculation cost reliability-based design optimization (RBDO). To reduce computational burden effectively consider uncertainties ground motions structural parameters, an efficient RBDO method for under stochastic based on adaptive Gaussian process regression (GPR) metamodeling is proposed in this study. In method, are described by record-to-record variation randomness intensity measure (IM). A GPR model...

It is of great significance to study the interactions between structures and supporting soils for both structural engineering geotechnical engineering. In this paper, based on refined two-parameter elastic foundation model, bending problem a finite-length beam Gibson soil solved. The effects axial force heterogeneity behaviours stress states beams foundations are discussed, parameters physical model determined reasonably. treated as single system, complete potential energy obtained. Based...

The influence of soil heterogeneity is studied on the bending circular thin plates using two modified Vlasov foundation models. model parameters are determined reasonably an iterative technique. According to principle minimum potential energy and considering transversely isotropic soils Gibson soils, governing differential equations boundary conditions for foundations derived a variational approach, respectively. determination attenuation difficult problem, which has hindered further...

Metamodel‐based seismic fragility analysis methods can overcome the challenge of high computational costs problems considering uncertainties earthquakes and structural parameters; however, accuracy metamodels is difficult to control. To enhance efficiency analyses without compromising accuracy, a metamodeling method using Gaussian process regression (GPR) active learning (AL) for proposed. In this method, GPR metamodel built estimate stochastic response structure, in which record‐to‐record...

Seismic fragility analysis of a mega-frame with vibration control substructure (MFVCS) considering structural uncertainties is computationally expensive. Dual surrogate model (DSM) can be used to improve computational efficiency, whereas the proper selection design experiments (DoE) difficult work in DSM-based seismic (DSM-SFA) method. To efficiently assess sufficient accuracy, this paper proposes an improved DSM-SFA method based on active learning (AL). In method, Kriging employed for...

As an effective electrocatalyst for water decomposition, precious metals face limitations in widespread use due to their high cost. Incorporating other into enhance electrocatalytic performance while reducing costs poses significant challenges. Within the realm of metals, Ir-based electrocatalysts have demonstrated remarkable catalytic activity both oxygen evolution (OER) and hydrogen (HER). This paper presents synthesis oxide-supported catalysts containing Cu Ce through a straightforward...

Dynamic binary translate is one of the main methods in software migration cross platform. How to optimize it has been research key points for long time. This paper presents a better scheme translation cache management based on from i386 alpha. It divides into two levels and adopts advantages FIFO scheme. The balance speed consume accomplished smartly. We take experiments improved dynamic QEMU [1]. And we get conclusion test results that average can increase about 3% with this

In this paper, to investigate the influence of soil inhomogeneity on bending circular thin plates elastic foundations, static problem Gibson foundation is solved using an iterative method based modified Vlasov model. On basis principle minimum potential energy, governing differential equations and boundary conditions for considering characteristics are derived. The attenuation parameter in also obtained, issue unknown parameters being difficult determine method. Numerical examples analyzed...

The issue of soil–structure interaction (SSI) is essentially to analyze the influence complex media on mechanical behavior supported structures. With development underground space, geological structures and space constraints put forward higher requirements for foundations buildings. In this paper, effects soil heterogeneity embedment depth bending finite-length beams embedded in two novel Vlasov elastic are investigated. Firstly, constitutive relations subsoil simulated by Gibson...

Abstract The effect of the foundation heterogeneity on mechanical behaviour a beam Vlasov soils is discussed. According to refined soil model, static problem beams lying transversely isotropic can be solved by an iterative method. In this paper, based energy variational principle, differential equations for under axial force foundations are derived. methods solving internal forces and deformations elastic given. Additionally, equation attenuation parameters also established, characteristic...

Abstract The implicit and computationally time-consuming performance function limits the application of classical reliability analysis methods in complex structures. To facilitate calculation civil engineering structures, a method based on genetic algorithm (GA) Gaussian process regression (GPR) is proposed this paper. In method, GPR adopted to build surrogate model function, GA used for infill-sampling improve accuracy at limit state surface. Replacing actual with Monte Carlo simulation...

The main purpose of this study is to investigate the influence soil heterogeneity on mechanical responses rectangular plates resting elastic foundations and determine reasonable physical model parameters. bending problem thin lying Gibson solved using an iterative procedure. First, are discussed as a whole system, based principle minimum potential energy. Second, governing equations boundary conditions for established. And equation attenuation parameter in mathematical also derived. Then...