نتایج جستجو برای: modeling and simulations

تعداد نتایج: 16910375  

Journal: :Journal of Geophysical Research: Space Physics 2008

2005

This proposal is intended to address research challenges in Molecular Communication [4], a new and interdisciplinary research area that spans the nanotechnology, bioengineering, and communication technology. Molecular communication allows nanomachines (e.g., nano-scale devices) to communicate using molecules as a communication carrier. One of the applications of molecular communication is to na...

Journal: :Respiratory care 2004
Neil R MacIntyre

Simulators and models of the respiratory system range from simple mechanical devices to complex systems that include sophisticated computers. These systems have considerable utility in clinician education, guiding therapies, evaluating new devices and techniques, and in improving our understanding of the cardiorespiratory system. Simulators and models are of 3 types: signs-and-symptoms simulato...

A linear superposition method was used for modeling the time history of the production blast vibrations and optimizing the blast sequence to reduce vibration levels in Sar-Cheshmeh copper mine, Kerman, Iran. A single-hole blast for modeling and two double-hole blasts with time delays of 25 and 65 ms between two holes for modeling validation were carried out. The generated vibrations were measur...

Journal: :Meteoritics & Planetary Science 2004

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1391

the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...

Modeling of frequency-dependent components of power system is often based on a terminal description by an admittance matrix in the frequency domain. One challenge in the extraction of state-space models from such data is to prevent possible error magnification when the model is to be applied in time-domain simulations. The error magnification is a consequence of inaccurate representation of sma...

This paper studies the theory and modeling manner of solid oxide fuel cell (SOFC) into power network and its effect on small signal stability. The paper demonstrates the fundamental module, mathematical analysis and small signal modeling of the SOFC connected to single machine infinite bus (SMIB) system. The basic contribution of the study is to attenuate the low frequency oscillations by optim...

Dense Medium Cyclone is a high capacity device that is widely used in coal preparation. It is simple in design but the swirling turbulent flow, the presence of medium and coal with different density and size fraction and the presence of the air-core make the flow pattern in DMCs complex. In this article the flow pattern simulation of DMC is performed with computational fluid dynamics and Fluent...

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