Search Results - "Mohammad Hassan Ghasemi"

Modeling and frequency analysis of beam with breathing crack by Mofid Nakhaei, Amar, Dardel, Morteza, Hassan Ghasemi, Mohammad

“…In this paper, a general formulation for beam with a desired shape of breathing crack is presented. The difference of the presented modeling with previous…”
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Performance comparison of nonlinear energy sink and linear tuned mass damper in steady-state dynamics of a linear beam by Parseh, Masoumeh, Dardel, Morteza, Ghasemi, Mohammad Hassan

“…Steady-state dynamics of linear, Euler–Bernoulli beams under harmonic excitation coupled to a nonlinear energy sink (NES) with nonlinear stiffness of order…”
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Effects of virtual and lecture-based instruction on learning, content retention, and satisfaction from these instruction methods among surgical technology students: A comparative study by Abarghouie, Mohammad, Athar Omid, Ghadami, Ahmad

“…BACKGROUND: There are various instructional methods worldwide and virtual instruction is one of them. This widely used method involves online instruction and…”
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A Direct Algorithm to Compute the Switching Curve for Time-Optimal Motion of Cooperative Multi-Manipulators Moving on a Specified Path by Ghasemi, Mohammad Hassan, Sadigh, Mohammad Jafar

“…For more than two decades it has been known that the solution to the time-optimal problem for a manipulator along a specified path is bang-bang in terms of…”
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Investigating the robustness of nonlinear energy sink in steady state dynamics of linear beams with different boundary conditions by Parseh, Masoumeh, Dardel, Morteza, Ghasemi, Mohammad Hassan

“…•Steady state dynamics of damped linear harmonically excited beams coupled to a nonlinear energy sink is studied.•Robustness of the optimized NES against…”
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Enhancing bandwidth of metamaterial plate with linear and nonlinear passive absorbers by Peikkhosh, Sareh Pakdel, Dardel, Morteza, Ghasemi, Mohammad Hassan

“…In this work, passive vibration absorbers are used to obtain a metamaterial vibrating plate. For this purpose, a set of linear and nonlinear passive absorbers…”
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Modeling and control of crank–slider mechanism with multiple clearance joints by Yaqubi, Sadeq, Dardel, Morteza, Daniali, Hamidreza Mohammadi, Ghasemi, Mohammad Hassan

“…In the current study, the behavior of a crank–slider mechanism with single and multiple clearance joints is analyzed. For this purpose nonlinear dynamics of…”
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Steady state dynamics of a non-linear beam coupled to a non-linear energy sink by Parseh, Masoumeh, Dardel, Morteza, Ghasemi, Mohammad Hassan, Pashaei, Mohammad Hadi

“…A non-linear, simply supported beam under harmonic excitation coupled to a non-linear energy sink (NES) is considered here. The NES has a non-linear stiffness…”
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Analytical analysis of buckling and post-buckling of fluid conveying multi-walled carbon nanotubes by Ghasemi, Arman, Dardel, Morteza, Ghasemi, Mohammad Hassan, Barzegari, Mohammad Mehdi

“…In this work, buckling and post-buckling analysis of fluid conveying multi-walled carbon nanotubes are investigated analytically. The nonlinear governing…”
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Finite difference method to find period-one gait cycles of simple passive walkers by Dardel, Morteza, Safartoobi, Masoumeh, Pashaei, Mohammad Hadi, Ghasemi, Mohammad Hassan, Navaei, Mostafa Kazemi

“…•A simple method is presented to obtain appropriate initial conditions and period of gait cycles of biped robot.•The method is based on finite difference…”
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Nonlinear Dynamics and Control of Crank-Slider Mechanism with Multiple Clearance Joints by Morteza Dardel, Sadeq Yaqubi, Hamidreza Mohammadi Daniali, Mohammad Hassan Ghasemi

“…In the current study, behavior of crank-slider mechanism with single and multiple clearance joints are analyzed. Using Lankarani-Nikravesh theory for…”
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An iterative method for time optimal control of dynamic systems by Kashiri, Navvab, Ghasemi, Mohammad, Dardel, Morteza

“…An iterative method for time optimal control of a general type of dynamic systems is proposed, subject to limited control inputs. This method uses the indirect…”
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Impact of canopy and seasoning on activity of soil enzymes in some Juniper habitatsof Iran by Mohammad Matinizadeh, Mostafa Khoshnevis, Maryam Teimouri, Mohammad Hassan Ghasemi

“…Soil enzyme analysis is a widely used technique for examining nutrient cycling processes in soil. These enzymes are sensitive to the effects of anthropogenic…”
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Aminobenzenesulfonamide functionalized SBA-15 nanoporous molecular sieve： A new and promising adsorbent for preconcentration of lead and copper ions by Hajiaghababaei, Leila, Ghasemi, Babak, Badiei, Alireza, Goldooz, Hassan, Ganjali, Mohammad Reza, Ziarani, Ghodsi Mohammadi

“…A rapid method for the extraction and monitoring of nanogram level of Pbz＋ and Cuz＋ ions using uniform silanized mesopor （SBA-15） functionalized with…”
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