نتایج جستجو برای: dynamic simulation

تعداد نتایج: 914677  

Background. This study investigated the effects of short-duration high-intensity simulation of soccer fatigue on the dynamic balance and isokinetic strength of the lower limbs in youth soccer players. Methods. Thirty-nine youth soccer players completed a high-intensity fatigue simulation in 5-min. The participants performed tests on dynamic balance and isokinetic strength before the fatigue si...

Journal: :journal of solid mechanics 0
m motamedi faculty of engineering, university of shahreza, p. o. box 86149-56841, isfahan, iran m mosavi mashhadi department of mechanical engineering, university of tehran, p.o. box 11365-4563, tehran, , iran

this work is conducted to obtain mechanical properties of microtubule. for this aim, interaction energy in alpha-beta, beta-alpha, alpha-alpha, and beta-beta dimers was calculated using the molecular dynamic simulation. force-distance diagrams for these dimers were obtained using the relation between potential energy and force. afterwards, instead of each tubulin, one sphere with 55 kda weight ...

Journal: :مکانیک هوافضا 0
بابک افضلی حسن کریمی

nowadays, compressible flow transmission pipelines are used in many industrial processes. pipelines in chemical processes, gas turbine power plants, natural gas transmission lines, and high pressure steam transmission pipelines are some industrial examples. therefore, learning the manner of treatment of a transient compressible fluid flow in pipelines with junctions and branches is important. i...

Journal: :international journal of robotics 0
fatemeh katibeh school of mechanical engineering, shiraz university, shiraz, fars, iran mohammad eghtesad school of mechanical engineering, shiraz university, shiraz, fars, iran yousef bazargan lari department of mechanical engneering, shiraz branch, islamic azad university, shiraz, fars, iran

in this research, first, kinematic and dynamic equations of a 4-dof 3-link robotic finger are derived using denavit-hartenberg convention and lagrange’s formulation. to model the muscles, several springs and dampers are placed between the finger links. then, two advanced controllers, namely adaptive-robust and adaptive-neural, which can control the robotic finger in presence of parametric uncer...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
padideh ghafoor mohseni mohammad shahrokhi hossein abedini

in this paper, optimization and control of a tubular reactor for thermal bulk post-polymerization of styrene have been investigated. by using the reactor mathematical model, static and dynamic simulations are carried out. based on an objective function including polymer conversion and polydispersity, reactor optimal temperature profile has been obtained. in the absence of model mismatch, desire...

A. Aryaei A. R. Shahani* H. Esmaili M. Najar S. Mohammadi

In this paper, the dynamic simulation for a high pressure regulator is performed to obtain the regulator behavior. To analyze the regulator performance, the equation of motion for inner parts, the continuity equation for diverse chambers and the equation for mass flow rate were derived. Because of nonlinearity and coupling, these equations are solved using numerical methods and the results are ...

M Mosavi Mashhadi M Motamedi,

This work is conducted to obtain mechanical properties of microtubule. For this aim, interaction energy in alpha-beta, beta-alpha, alpha-alpha, and beta-beta dimers was calculated using the molecular dynamic simulation. Force-distance diagrams for these dimers were obtained using the relation between potential energy and force. Afterwards, instead of each tubulin, one sphere with 55 KDa weight ...

   In this paper we propose a simulation study to carry out dynamic analysis of CNTFET-based digital circuit, introducing in the semi-empirical compact model for CNTFETs, already proposed by us, both the quantum capacitance effects and the sub-threshold currents. To verify the validity of the obtained results, a comparison with Wong model was carried out. Our mode...

Journal: :iranian journal of oil and gas science and technology 0
amir hosein tahershamsi m.s. student, department of chemical engineering, iran university of science and technology (iust), tehran, iran ahad ghaemi assistant professor of department of chemical engineering, iran university of science and technology (iust), tehran, iran mansour shirvani associate professor of department of chemical engineering, iran university of science and technology (iust), tehran, iran

in this study, liquid-liquid extraction process in a kuhni extraction column was modeled and simulated. a non-equilibrium dynamic model was developed for modeling liquid-liquid extraction processes based on a rate-based model. the model equations are inclusive of partial and ordinary differential equations which were discretized in column height direction. the population balance model was used ...

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