Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
The paper describes the application of heterogeneous computational infrastructures to study complex metallurgical processes. This goal is achieved by integration of a domain-oriented system (VirtRoll) with a platform for massive parameter studies (Scalarm) on the basis of Service Oriented Architecture (SOA). In particular, technological and security aspects of the integration and permissions delegation...
In this paper we present a theoretical study on the influence of band-to-band-tunnelling (BTBT) in HgCdTe-based nBn detectors for longwave infrared (LWIR) applications. Numerical modelling shows that BTBT strongly depends on the barrier parameters and degrades the detectivity of LWIR nBn detectors. Nevertheless, exploring alternative barrier materials or engineering designs which are able to suppress...
Data logger is a key component in building a telemetry system. Using the telemetry system, the activity measurements of an object and retrieval of measurement data can be done remotely (remote). Universal Data Logger (UniDalog), the data logger is a device that has ability to store measurement data, download the data remotely, as well as setting of data logger and remote sensor calibration. By utilizing...
Lung cancer or pulmonary cancer is one of a dangerous cancer threatening human life since a long time ago. Even though, a conventional surgery is widely accepted as a gold standard for this cancer treatment, however a new medical maneuver still be investigated to perform with this disease. In this paper, we trail a simulation of thermal ablation by using microwave energy at 2.45GHz, 30 Watts for 10...
This paper details the conception of a remote and powerful visualization tool intended to be directly used by physicists in order to better understand the physical phenomena in the field of fast dynamics simulations. The goal is to explore large dataset composed of billions of cells distributed in thousands of domains on a supercomputer. The solution uses the visualization tool VisIt [1] adapted with...
We study the horizontal shear (SH) wave problem propagating in a functionally graded piezoelectric material (FGPM) layered structure to compare the Wentzel-Kramers-Brillouin (WKB) method with the power series method. We establish coupled governing equations on the basis of elastodynamics theory. Both the WKB and power series methods are employed to solve the second-order variation coefficient equations...
This paper represents the answer to many challenges in terms of numerical models for the transport of pollutants in drinking water. Due to these reasons this paper represents a particular methodology for estimating the velocity and dispersion coefficients. The aqueous solution transport and adsorption was performed using the COMSOL mathematical program.
In this work, we propose a novel structure of solar cell based on copper-indium-gallium-diselenide CuIn1−xGaxSe2 (CIGS) absorber layer by using SCAPS-1D (Solar Cell Capacitance Simulator of the University of Gent). This numerical simulation has been used to explore the possibility of higher efficiency and stable CdS/CIGS cell structures with (ZnO) as window layer, and (CdS) a buffer layer, (CIGS)...
Solder joint integrity is recognized as a key issue in the reliability of electronic devices. In the past decades, SnAgCu eutectic based solders are replacing SnPb eutectic solders in the electronics industry. Although the Pb-free solder is usually regarded as having a higher melting temperature compared with traditional Pb-Sn eutectic solder, solder joints were generally operated at a high homologous...
In the process of fracture healing, several phases of recovery are observed as the mechanical stability, continuity and normal load carrying capacity are gradually restored. The ultrasonic monitoring and discrimination of different healing stages is a complex process due to the significant microstructure and porous nature of osseous and callus tissues. In this study, we investigate the influence of...
This paper reviews different methods of thermal analysis, highlighting advantages, drawbacks, and limits. It represents the basics for both analytical methods and numerical ones; which the analytical method is discussed more in detail, including thermal coefficients relevant issues. Also, different applications are investigated, and related analytical and numerical techniques are represented. The...
The Pulsed Electroacoustic method has been widely used in research labs and industries for space charge measurement for quite some time. Due to its robustness and simplicity it has attracted great attention of researchers. Various models of PEA system have been reported using numerical simulation and COMSOL to address issues related to charge signal. Recently, the authors have reported a PSpice model...
This paper presents the finite element modelling of a three-phase synchronous machine (3 kW-1500 rpm). In addition to analyzing the electromagnetic behaviour of the machine, various tests (no-load, short-circuit and load tests) was performed virtually using Maxwell software and validated experimentally. This work aims to parametric identification of machines and creation of a virtual laboratory of...
Some models of elastic foundations are provided by supposing that they are composed by elastic columns with kind of interactions such as contact forces. That yield a differential equation involving gradients of the displacement field. Recent models of elastic foundation are proposed introducing into the constitutive equation of the foundation soil forces depending on the relative vertical displacements...
Our goal is to prove the existence of a connection between fractal geometries and fractional calculus. We show that such a connection exists and has to be sought in the physical origins of the power laws ruling the evolution of most of the natural phenomena, and that are the characteristic feature of fractional differential operators. We show, with the aid of a relevant example, that a power law comes...
Effects of AlOx interfacial layer in the W/AlOx/TaOx/TiN structures have been investigated for the first time. This RRAM device shows long endurance of 106 cycles and good retention at 85°C for a low current compliance of 100 μA. A physics based simulation is studied to understand the set and reset mechanism of RRAM. The nature of ions migration, potential profile and temperature of filament during...
Solder joint integrity is recognized as a key issue in the reliability of electronic devices. In the past decades, SnAgCu eutectic based solders are replacing SnPb eutectic solders in the electronics industry. Although the Pb-free solder is usually regarded as having a higher melting temperature compared with traditional Pb-Sn eutectic solder, solder joints were generally operated at a high homologous...
The polycrystalline cadmium telluride (CdTe) is a leading photovoltaic (PV) material for the possibility of high-efficiency and low-cost thin film solar cell. The absorber material CdTe has a high absorption coefficient over 5×105/cm and it has a direct bandgap of 1.45 eV, which is very close to the optimum bandgap for solar cells. In this work, numerical analysis was done utilizing AMPS (Analysis...
The following study is motivated by the need to capture the elasto-viscoplastic behavior of a “real” industrial power module lead-free solder joint. In this work, we carried out a numerical design of experiments in order to forecast the ability of an experimental bending system to identify the specimen material properties. As a proof of principle, the micro-mechanical elastic behavior of power module...
The model of dynamic characteristics of ferroelectric material is considered. The numerical modeling achieved the satisfactory agreement with experimental data. It has been shown that the maximum of a switching electric current as well as the magnitude which inversely proportional to a switching time increases gradually since some value of external applied voltage. Conditions of an electroluminescence...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.