Plating - Science topic

The compressive stresses arising due to the geodynamic conditions surrounding of the South Caspian megadepression are unevenly distributed among the structural elements. The values of the length-towidth ratio of the local folds, which determine the relatively high intensity of compressive stresses within Kura-Gabirri (3.4-7.0 km), Pri-Caspian-Guba...

This paper presents a novel equilibrium-based approach to the linear homogenization of shear-deformable beams and plates with periodic heterogeneity. The proposed approach leverages the fact that, under equilibrium, the stress resultants and sectional strains in beams and plates vary at most linearly with respect to the axial or in-plane coordinate...

Self-heating based vibrothermography (SHVT) is a promising non-destructive technique for inspecting polymer-matrix composites (PMCs) in circumstances with limited external heating feasibility, functioning under the resonant frequency excitation. This study broadened the applicability of SHVT technique for two-dimensional (2D) PMCs by examining its...

Fault scarps at Mid-Ocean Ridges (MOR) are recognizable on the seafloor, and often measured to estimate the tectonic component of plate divergence. This estimate, based on linear fault scarp parameters, is referred to here as apparent tectonic strain (ATS). However, ATS may differ from the actual tectonic strain at a lithosphere scale. This is clea...

We measure and analyze 4381 P-wave and 4307 S-wave arrival times of 48 teleseismic events recorded at 150 stations of a permanent seafloor seismic network (S-net) installed in the outer-rise and forearc region off East Japan. The obtained relative travel-time residuals amounting to ~3 s at the S-net stations are generally negative on the incoming P...

The mid-wave multispectral detector combines the traditional spectrometer and infrared detector technologies to provide image information and spectral information at the same time, which has an important role in both civil and military fields. To solve the working band limitation and low energy utilization, this paper presents an integrated superla...

An experimental investigation was carried out to find out the effective cleaning method of the glazing material of solar collector. The study emphasized on solar panel glazing material cleaning process using water force impinging by a nozzle. A nozzle is used to make a water jet having a velocity which is impacted on the glazing material of a solar...

Mueller matrix polarization measurement technique, as a non-invasive and label-free, provides comprehensive optical information on polarization-related and structural characteristics of the measured target. It has been widely applied in biomedical, agricultural, and industrial fields. However, the traditional time-division modulation Mueller matrix...

The integrity of composite bonded structures largely depends on the robust adhesion at their bonding interfaces. Detecting damage at these bonding interfaces is of significant engineering importance. However, distinguishing damage-induced nonlinearity from the structure’s inherent classical nonlinearity is challenging, which affects detection accur...

Object recognition plays a vital role in machine learning and computer vision tasks, with significant real-world applications in traffic safety. This study presents a YOLOv3-based model designed for the recognition of license plates and helmets in images. We enhanced data quality and diversity through pre-processing and constructed a custom annotat...

Knowledge about the caddisfly fauna of Kosovo has expanded significantly in recent years; however, new species continue to be described from less-studied regions. In this paper, we describe a new species, Tinodes lumbardhi sp. nov., from the Lumbardhi i Deçanit River in the Bjeshkët e Nemuna Mountains of Kosovo. The new species is closely related t...

This paper investigates the impact of wall slip on the screw extrusion of cementitious materials. A wall slip extrusion model is developed based on the theory of infinite parallel plates. Then, the extrusion characteristics under different slip conditions of the screw and the cylinder wall are discussed. Finally, the Finite Element Method is used t...

The climate crisis represents one of the greatest contemporary global challenges, requiring actions to mitigate its impacts and sustainable solutions to meet the growing demands for clean energy and coastal protection. Therefore, the study of devices such as the submerged plate (SP), which simultaneously acts as a breakwater (BW) and wave energy co...

The use of cellulose fiber-filled polypropylene (PP) composites in combination with foam injection molding has enabled the lightweight design of injection-molded parts. The study provides achievements for the physical foam injection molding (MuCell®) process of PP–cellulose fiber compounds by using CO2 as the direct foaming agent, including a compa...

The paper further develops the method of matched sections as a new universal numerical technique. Like the finite element method, FEM, it supposes that: a) the domain is represented as a mesh of simple elements; b) algebraic relations between the main parameters are established from the governing differential equations; c) relationships from all el...

La universidad merece contemplar el desarrollo de competencias necesarias para la transformación. El objetivo del trabajo es describir el desarrollo de competencias de liderazgo en la formación académica en el Instituto Universitario River Plate (2021-22). El análisis se configura desde la fenomenología hermenéutica de las Ciencias Sociales, por me...

At the current stage of scientific and practical dental development, many patients cannot use removable dentures fully. However, there are many new effective methods for this type of orthopedic dental treatment. We are improving the methods of manufacturing high-quality removable dentures through clinical, functional, and physicomechanical research...

We developed the BucketCam as a reduced-labor, non-invasive alternative to conventional approaches for characterizing small mammal communities. We conducted a field test at 14 sites in northern NY to compare the BucketCam to three other widely used small mammal trapping methods: Sherman traps, pitfall traps, and track plates. Our findings show that...

The design of anode‐free zinc (Zn) batteries with high reversibility at high areal capacity has received significant attention recently, which is quietly challenging yet. Here, a Zn alloyed interface through electroplating is introduced, providing homogeneous Zn prenucleation sites to stabilize subsequent Zn nucleation and plating. By employing Zn–...

With the escalating global demand for clean energy, the proton exchange membrane fuel cell (PEMFC), as an efficient and environmentally friendly energy conversion device, has emerged as a pivotal component of new power systems, playing a crucial role in achieving global carbon emission reduction targets. At present, the application of PEMFC technol...

Due to the uncertainty of material properties of plate-like structures, many traditional methods are unable to locate the impact source on their surface in real time. It is important to study the impact source-localization problem for plate structures. In this paper, a data-driven machine learning method is proposed to detect impact sources in plat...

This note presents the finite element implementation of coupled stress-pore fluid diffusion analysis to capture the effect of varying drainage conditions on the monotonic uplift capacity of horizontal circular plate anchors in sand. The numerical model incorporates the modified SANISAND constitutive model and a soft porous elastic element at the so...

In engineering practice, a common problem is the lack of space on the construction site for the proper storage of building materials. The consequence of this is that building materials are stored in open spaces, where they are exposed to external atmospheric factors. This study analyses the effect of storing mineral wool for 18 months under the ext...

In this note, we address several issues, including some raised in recent works and commentary, related to bending measures and energies for plates and shells, and certain of their invariance properties. We discuss overlaps and distinctions in results arising from two different definitions of stretching, correct an error and citation oversights in o...

Glassphalt suffers from performance defects, especially against moisture damage and fatigue cracking. In this research, the performance of glassphalt modified with CF has been evaluated against moisture damage, fatigue cracking and rutting. Based on this, Modified Lottman, Wilhelmy Plate (WP), Indirect Tensile Stiffness Modulus (ITSM), Indirect Ten...

Currently, in the domestic practice of retreading tires using vulcanization tanks, some tanks exhibit uneven temperature distributions leading to low retreading success rates. To address that, this paper simulated the temperature and velocity fields during the heating process of vulcanization tanks for waste tire retreading. The results indicated t...

Boundary conditions significantly influence the near-field dynamics of bubbles. This study employs numerical simulations to investigate the coupling characteristics of high-pressure bubbles near solid boundaries and moving spherical boundaries. It focuses on the effects of the sinking velocity of the sphere and the initial bubble–boundary distance...

By analyzing the structural characteristics of the product, it is determined that the main body of the plate needs to be processed by drawing, and the features around the plate have a large flanging angle, which requires two flanging operations to complete. The final forming process for the plate is determined to be:deep drawing,blanking, single fl...

This report presents a simple, low-cost thermal chemical vapor deposition method using alcohol as a carbon source for producing micron-sized carbon nanowalls (CNWs) on spherical carbon particles. The obtained CNWs have structural disorder and defects, as indicated by a low IG/ID (the ratio of the D-band peak to the G-band peak) ratio in the Raman s...

The use of Non-destructive Evaluation (NDE) techniques has proven to be effective in determining the thickness of plate like concrete elements and locating defects such as cracks, delaminations, voids, honeycombing, and debonding. Some of the problems that have plagued the concrete paving industry are testing for quality assurance and verification...

In China, deep coal seam mining has become commonplace. In order to increase the efficiency of gas extraction from coal seams, lower the frequency of gas-powered disasters, and help reduce carbon emissions, it is crucial to strengthen gas extraction in the airspace and fissure zones of the deep high-gas coal seam. As the fissures in the extraction...

The Fokas method (also known as the unified transform method) is used to investigate acoustic scattering by thin, infinite grating by extending the methodology to apply to spatially periodic domains. Infinite grating is used to model a perforated screen, a material of interest in aeroacoustics and noise reduction. Once the method is established, it...

Spatial distributions in current, temperature, state-of-charge and degradation across the plane of large format lithium-ion battery pouch cells can significantly impact their performance, especially at high C-rates. In this paper, a method to smooth out these spatial distributions by grading the electrode microstructure in-the-plane is proposed. A...

Interactions between the turbulent boundary layer and incident compression waves (ICWs), sufficiently strong to induce boundary layer separation, are investigated numerically and analytically. This paper proposes two typical interaction modes of ICWs and the boundary layer: one where the convergence point of the ICWs is located on a flat plate and...

pH remains the most important chemical parameter and must be monitored for positive outcomes in areas as different as cheese making and in vitro fertilisation (IVF). Where blood gas analysers enable patient monitoring, starter cultures in cheese manufacturing are still monitored using conventional pH electrodes. Here, we present a homogeneous multi...

The field of rigid origami concerns the folding of stiff, inelastic plates of material along crease lines that act like hinges and form a straight-line planar graph, called the crease pattern of the origami. Crease pattern vertices in the interior of the folded material and that are adjacent to four crease lines, i.e. degree-4 vertices, have a sing...

Flow measurement is a critical component of fluid dynamics, offering essential data for industrial and engineering processes to ensure efficiency, energy conservation, and operational safety. This research evaluated and compared the performance of commonly used flow measurement devices: the Orifice Plate, Venturi Tube, Rectangular Notch, and Triang...

For the more efficient application of ultrasound in future therapies, fundamental research is needed on the mode of action of ultrasound on biological systems using therapeutic frequencies. To address this need, a new versatile high-throughput platform for focused ultrasound in vitro application was designed, developed, and characterized. The appli...

Li metal batteries (LMBs), particularly with a limited Li metal anode and a 5V‐class cathode, offer significantly higher energy density compared to the state‐of‐the‐art Li‐ion batteries. However, the limited Li anode poses severe challenges to cycling stability due to low efficiency and large volume expansion issues associated with Li. Herein, we d...

This study investigates the bending behavior of functionally graded rectangular plates using the spectral collocation method to offer precise modeling. We apply the First-order Shear Deformation Theory (FSDT) to accurately capture the effects of shear deformation in our plate behavior models. The effectiveness of the proposed method is demonstrated...

Soil undergoes large deformation in many soil-object interactions, such as indentation and ploughing. Modeling these processes presents challenges due to the large and predominantly plastic deformation and the associated free surface evolution. This paper proposes a data-driven method to model these processes efficiently. In this method, neural net...

Developing rubber film in the lab is important for studying the mechanical changes on gloves with different developed formulation. The process in the lab differs from the factory, as the rubber film is formed from dipping a metal plate into the compounded mixture, while the factory uses a well-crafted former to make their gloves in a controlled env...

Este artigo tem como objetivo discorrer acerca de um curso de processos de criação e empratamento intitulado “Laboratório de Criação em Gastronomia”, ocorrido no Curso Superior de Tecnologia em Gastronomia da Universidade Federal de Pelotas, entre os meses de agosto e novembro de 2023. Utilizando uma abordagem qualitativa de pesquisa-ação, abordara...

Ultrashort pulse sources are complex and resource-intensive. To reduce overhead and simplify operations, we had previously developed a method to deliver ultra-short pulses through fiber-optic links to multiple locations and to characterize them remotely using a compact detector module. We created a pulse pair with varying delays at the central loca...

Background For process development in mammalian cell cultivations, scale-up approaches are essential. A lot of studies concern the scale transfer between different-sized stirred tank reactors. However, process development usually starts in even smaller cultivation vessels like microtiter plates or shake flasks. A scale-up from those small shaken de...

In this study, we design an all‐metal tunable broadband frequency selective surface (FSS) that eliminates the need for lossy dielectric substrates and active devices requiring complex bias DC voltage‐based control circuits. The FSS is constructed from three cascaded all‐metallic plates, each comprising cells formed by uniting two concentric four‐ar...

For some high-speed separated flows featured by shock-wave/turbulent boundary layer interaction (SWTBLI), the k−ω shear stress model (SST) tends to overestimate the size of the separation bubble while the baseline model (BSL) tends to underestimate. The constant value of the structure parameter in the stress limiter is one of the important reasons...

The reverse engineering method has been beneficial for personalized implant designs in the medical field due to its flexible use feature that allows it to be applied in many areas. The method of anatomical features (MAF) is commonly used for fractures of the bone for the development of plate fixation. To improve the geometrical fitting between plat...

The productive career of a professional athlete is limited compared to the normal human lifespan. Most professional athletes have retired by age 40. The early retirement age is due to a combination of age-related performance and life considerations. While younger players typically are stronger and faster than their older teammates, older teammates...

The effects of disc chipper rotation speed and raw material feed speed on the particle size distribution of wood chips produced were investigated to develop an efficient technique for producing ideal sized chips for the stable operation of combined heat and power plants. The particle size distribution of wood chips was measured using a screening me...

Singular value decomposition is widely used in modal analysis, such as proper orthogonal decomposition and resolvent analysis, to extract key features from complex problems. SVD derivatives need to be computed efficiently to enable the large scale design optimization. However, for a general complex matrix, no method can accurately compute this deri...

In this work, we investigate the stabilization of a coupled PDE's system consisting of one Kirchhoff plate and one wave equation with memory effects. Three different cases are considered where the frictional infinite memory occurs in both equations or in one of the equations. First, we achieve the existence and uniqueness of the solution, utilizing...

The metal bipolar plate is a critical component of the hydrogen fuel cell stack used in proton exchange membrane fuel cells. Bipolar plates must have high accuracy micro-channels with a high aspect ratio (AR) between the channel depth and the half periodic width to achieve optimal cell performance. Conventional forming methods, such as micro-stampi...

A circular von Karman plate is considered bonded at its boundary to a circular Kirchhoff rod via a hinge like junction. There is a mismatch of dimension between the rod and the plate boundary in their respective stress free configurations. The process of gluing of the inextensible circular rod to the edge of the extensible plate causes the system t...

This paper concerns the low-frequency symmetric (extensional) motions of a thin elastic layer submerged in a fluid. This problem is less investigated than that for antisymmetric motion corresponding to bending vibrations, partly because the classical theory for thin-plate extension is not oriented to model the transverse compression of the plate ca...

The average contact stress–settlement behavior observed in plate load tests provides essential data for reliable foundation design. However, the test plate is often smaller than the actual foundation, requiring size extrapolation to interpret in situ plate load test results accurately. This study combines in situ plate load test results in gravelly...

The dynamic behaviour of Floating Offshore Wind Turbines (FOWT) involves complex interactions of multivariate loads from wind, waves, and currents, which result in complex motion characteristics. Although methods for analysing global motion responses are well-established, the time- and location-dependent kinematics remain underexplored. This paper...

The latitudinal gradient of declining species richness from the Equator towards the poles is one of the most pervasive macroecological patterns on Earth today. However, the ubiquity of this trend over geological timescales remains unclear. One reason for this uncertainty is that palaeobiologists need Global Plate Models (GPMs) to estimate the latit...

High voltage (∼2 kV) Al0.64Ga0.36N-channel high electron mobility transistors were fabricated with an on-resistance of ∼75 Ω. mm (∼21 mΩ. cm²). Two field plates of variable dimensions were utilized to optimize the breakdown voltage. The breakdown voltage reached >3 kV (tool limit) before passivation however it reduced to ∼2 kV after Si3N4 surface p...

Background Posterolateral tibial plateau fractures pose significant challenges for orthopedic surgeons due to the anatomical risks associated with the posterolateral approach. Despite numerous surgical techniques available, there lacks a consensus on the optimal approach. Methods Articular line incision approach was employed on 12 patients sufferi...

The buildup of dust on solar panels has significantly reduced the operational lifespan and mission performance of exploration rovers, and traditional dust removal techniques have proven inadequate for the Martian environment. The present study proposes a novel method for removing dust from the solar panels of Mars exploration rovers using Chladni p...

Subsurface seismic velocity structure is essential for earthquake source studies, including hypocenter determination. Conventional hypocenter determination methods ignore the inherent uncertainty in seismic velocity structure models, and the impact of this oversight has not been thoroughly investigated. Here, we address this issue by employing a ph...