نتایج جستجو برای: molecuar dynamics

تعداد نتایج: 439918  

Journal: :iranian journal of radiology 0
ali sarrami-foroushani department of chemical engineering, isfahan university of technology, isfahan, iran mohsen nasr esfahany department of chemical engineering, isfahan university of technology, isfahan, iran; department of chemical engineering, isfahan university of technology, isfahan, iran. tel: +98-3133915631, fax: +98-3113912677 hamidreza saligheh rad medical physics and biomedical engineering, tehran university of medical sciences, tehran, iran kavous firouznia advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran madjid shakiba advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran hossein ghanaati advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran

conclusion results reinforced the pivotal role of vascular geometry, with respect to hemodynamics, together with the importance of performing patient-specific cfd analyses, through which the effect of different blood flow conditions on the aneurysm hemodynamics could be evaluated. objectives this study aimed to investigate the effects of variations in heart rate and internal carotid artery (ica...

Journal: :international journal of nanoscience and nanotechnology 2011
n. farhadian

in this work, a molecular dynamics simulation of the transport of water - methanol mixture through the single wall carbon nanotube (swcnt) is reported. methanol and water are selected as fluid molecules since water represents a strongly polar molecule while methanol is as an intermediate between polar and strongly polar molecules. some physical properties of the methanol-water mixture such as r...

Journal: :international journal of nanoscience and nanotechnology 2011
s. h. mahboobi a. meghdari n. jalili f. amiri

based on the fact the manipulation of fine nanoclusters calls for more precise modeling, the aim of this paper is to conduct an atomistic investigation for interaction analysis of particle-substrate system for pushing and positioning purposes. in the present research, 2d molecular dynamics simulations have been used to investigate such behaviors. performing the planar simulations can provide a ...

Journal: :international journal of environmental research 0
c. fernández conicet-bb-iado (argentine institute of oceanography), cc 804, camino la carrindanga km 7.5, b8000fwb bahía blanca, argentina e.j. cáceres department of biology, biochemistry and pharmacy, national university of south, san juan 670, b8000icn bahía blanca, argentina e.r. parodi conicet-bb-iado (argentine institute of oceanography), cc 804, camino la carrindanga km 7.5, b8000fwb bahía blanca, argentina, department of biology, biochemistry and pharmacy, national university of south, san juan 670, b8000icn bahía blanca, argentina

the phytoplankton structure and dynamics were analysed in relation to abiotic variables inpaso de las piedras reservoir, argentina. phytoplankton driving forces were explored using a functionalapproach. a total of 15 functional groups were identified among which d, p, h1, f, j and c were the mostimportant. a canonical variate analysis indicated that the categorization of the species in function...

Journal: :international journal of industrial engineering and productional research- 0
yahia zare mehrjerdi department of ie, yazd university yazd iran

abstract the purpose of this article is to present a system dynamics (sd) model for studying the ‎interconnections among human being weight, eating habit, exercise, body fat, take-in medication, drugs-uses, and the health problems in general. due to the fact that all of these factors have direct and indirect impacts on the expenses that insurance company have to pay this author is proposing a s...

Journal: :international journal of automotive engineering 0
saeedi kazemi

in this study, stability control of a three-wheeled vehicle with two wheels on the front axle, a three-wheeled vehicle with two wheels on the rear axle, and a standard four-wheeled vehicle are compared. for vehicle dynamics control systems, the direct yaw moment control is considered as a suitable way of controlling the lateral motion of a vehicle during a severe driving maneuver. in accordance...

Marjan Jafari

The present paper aims at investigating the manner of two dissipative massive scalar fields. Two massive scalar fields that interact with a reservoir were considered and a reservoir was modeled by continuum Klein-Gordon fields. The Lagrangian of the total system was canonically quantized and the dynamics of the system was determined using the Euler-Lagrange equation. Then, the explicit form of the...

افضل‌زاده, رضا, ستایشی, سعید, واعظ‌زاده, مهدی, پیوسته, مطهره,

Melting process of perylene is investigated using molecular dynamics simulation. Some of thermodynamic properties such as potential energy and transition order parameter are calculated as a function of temperature in the range of 500 K-600 K. These calculations are performed by two different methods in NPT and NVT ensembles. The selected interaction potential is Re-squared and the simulations a...

ژورنال: مواد پرانرژی 2015

Experimental evidence shows that some Nano-composites have particular importance in armor vehicles structures. Simulation and finding the properties of these Nano-composites analytically or numerically is an essential work, due to the cost of Nano reinforcements and their production complexity with current methods. This paper employs analytical- experimental constitutive equations of energy abs...

The present work demonstrates the successful application of a simple active vibration control procedure based on structural dynamics. Based on mathematical and structural dynamics’ theories, the appropriate locations of sensor and actuator locations of the smart structure are predicted. Also, the optimum value of actuator force which controls the structural vibrations as quickly as it is possib...

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