Search Results - "Ahmadian, H."

Using different ratios of glycine to citric acid as fuel mixture in microwave-assisted combustion synthesis of Eu-doped Y2O3–Gd2O3 nanophosphors by Ahmadian, H., Hessari, F. A., Arabi, A. M.

“…Y 2 O 3 –Gd 2 O 3 :Eu nanophosphors were synthesized by the commercial combustion method in the microwave oven by using different fuel mixtures of glycine and…”
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A modified artificial neural network to predict the tribological properties of Al-SiC nanocomposites fabricated by accumulative roll bonding process by Najjar, IMR, Sadoun, AM, Ibrahim, A, Ahmadian, H, Fathy, A

“…This work highlights the major influence of SiC concentration and plastic deformation on boosting wear rates of aluminum composites supplemented with SiC…”
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Preparation and characterization of Luminescent nanostructured Gd2O3-Y2O3:Eu synthesized by the solution combustion process by Ahmadian, H., Hessari, F.Al, Arabi, A.M.

“…Microwave-assisted combustion of Europium doped Y2O3–Gd2O3 was investigated using glycine, glucose, glycerol and citric acid as organic fuel. X-ray diffraction…”
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Ultrasonic assisted-ECAP by Djavanroodi, F., Ahmadian, H., Koohkan, K., Naseri, R.

“…► ECAP process has been performed and modeled in the presence of ultrasonic vibration. ► ECAP forming force is reduced when amplitude or frequency of vibration…”
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Investigation of nanostructure formation mechanism and magnetic properties in Fe45Co45Ni10 system synthesized by mechanical alloying by Ahmadian Baghbaderani, H., Sharafi, S., Delshad Chermahini, M.

“…Mechanism of nanostructure formation and magnetic properties in Fe45Co45Ni10 alloy synthesized by high energy milling has been explored in this study. Our…”
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Prediction of the tensile properties of ultrafine grained Al–SiC nanocomposites using machine learning by Najjar, I.M.R., Sadoun, A.M., Elaziz, Mohamed Abd, Ahmadian, H., Fathy, A., Kabeel, A.M.

“…We discovered and analyzed the new prediction model by using machine learning (ML) for the tensile strength of aluminum nanocomposites reinforced with μ-SiC…”
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Horn design for ultrasonic vibration-aided equal channel angular pressing by Naseri, R., Koohkan, K., Ebrahimi, M., Djavanroodi, F., Ahmadian, H.

“…This work focuses on the resonance frequency determination of a horn as a main part of ultrasonic vibrated equal channel angular pressing using experimental…”
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A comparative analysis of particle tracking in a mixer by discrete element method and positron emission particle tracking by Pasha, M., Hassanpour, A., Ahmadian, H., Tan, H.S., Bayly, A., Ghadiri, M.

“…Characterisation of particle flow using Positron Emission Particle Tracking (PEPT) is based on tracking the position of a single particle in a dynamic system…”
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A combined experimental and modeling study of thermodynamics and kinetics of mechanochemical treatment for synthesis of Ni0.5Co0.5Fe2O4 by Ahmadian Baghbaderani, H., Rahimipour, M.R., Delshad Chermahini, M.

“…A combined experimental and modeling approach has been used to explain thermodynamic and kinetic aspects of mechanochemical treatment to synthesize…”
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Micro/macro-slip damping in beams with frictional contact interface by Asadi, K., Ahmadian, H., Jalali, H.

“…Friction in contact interfaces of assembled structures is the prime source of nonlinearity and energy dissipation. Determination of the dissipated energy in an…”
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A new environmental bulk powder caking tester by Calvert, G., Curcic, N., Redhead, C., Ahmadian, H., Owen, C., Beckett, D., Ghadiri, M.

“…Bulk powder transformations, such as caking, can lead to numerous problems within industry when storing or processing materials. The extent of bulk powder…”
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Modeling the interaction between contact mechanisms in normal and tangential directions by Bazrafshan, M., Ahmadian, H., Jalali, H.

“…Contact interface dynamics depends on contact surfaces characteristics and the interaction of these surfaces in normal and tangential directions. In fact the…”
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An inverse approach in obtaining shape functions for a superconvergent thin plate element by Faroughi, S., Ahmadian, H.

“…This article presents an inverse approach to provide shape functions associate with a superconvergent thin plate element formulation. In the proposed approach,…”
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Stability Analysis of a Nonlinear Jointed Beam under Distributed Follower Force by Ahmadian, H., Azizi, H.

“…This paper deals with the stability of a beam subjected to thrust. The thrust acts upon the structure as a follower non-conservative force, thus the structure…”
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Characterization of dominant mechanisms in contact interface restoring forces by Jalali, H., Ahmadian, H.

“…Accurate representation of different parts of a mechanical system is important in construction of mathematical models for structural dynamic analysis. There…”
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Efficient Model Order Reduction of Structural Dynamic Systems with Local Nonlinearities under Periodic Motion by Mohammadali, M., Ahmadian, H.

“…In many nonlinear structural systems, compared with the local regions with induced nonlinear effects, the main portions of the structures are linear. An exact…”
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Development of super-convergent plane stress element formulation using an inverse approach by Ahmadian, H., Farughi, S.

“…New formulation for the plane stress element with super-convergent properties is presented using an inverse method. The element formulation is developed in…”
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Identification of Weakly Nonlinear Systems Using Describing Function Inversion by Jalali, H., Bonab, B. T., Ahmadian, H.

“…In this paper describing functions inversion is used and the restoring force of a nonlinear element in a MDOF system is characterized. The describing functions…”
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An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memory effect in shape memory alloys by Hashemi, S., Ahmadian, H., Mohammadi, S.

“…Thermo-mechanical coupling in shape memory alloys is a very complicated phenomenon. The heat generation/absorption during forward/reverse transformation can…”
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Finite–element model updating using experimental test data: parametrization and regularization by Friswell, Michael I., Mottershead, John E., Ahmadian, Hamid

“…Two critical issues in model updating are deciding how a finite–element model should be parametrized and estimating the unknown parameters from the resulting…”
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