Search Results - "Khodaparast, Hamed Haddad"
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1
On the Efficiency Enhancement of an Actively Tunable MEMS Energy Harvesting Device
Published in Vibration (01-09-2022)“…In this paper, we propose an active control method to adjust the resonance frequency of a capacitive energy harvester. To this end, the resonance frequency of…”
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High Aspect Ratio Composite Wings: Geometrically Nonlinear Aeroelasticity, Multi-Disciplinary Design Optimization, Manufacturing, and Experimental Testing
Published in Aerospace (01-02-2024)“…In the field of aerospace engineering, the design and manufacturing of high aspect ratio composite wings has become a focal point of innovation and efficiency…”
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3
A robust design of an innovative shaped rebar system using a novel uncertainty model
Published in Structural and multidisciplinary optimization (01-10-2018)“…The current paper has investigated a newly developed re-bar system by implementing uncertainty models to optimise its geometry. The study of the design…”
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4
Linear Control of a Nonlinear Equipment Mounting Link
Published in Vibration (01-09-2021)“…The linear control of a nonlinear response is investigated in this paper, and a nonlinear model of the system is developed and validated. The design of the…”
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5
On the Effects of Structural Coupling on Piezoelectric Energy Harvesting Systems Subject to Random Base Excitation
Published in Aerospace (01-07-2020)“…The current research investigates the novel approach of coupling separate energy harvesters in order to scavenge more power from a stochastic point of view. To…”
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Aeroelastic Stability Analysis of Electric Aircraft Wings with Distributed Electric Propulsors
Published in Aerospace (01-04-2021)“…In this paper, the effect of distributed electric propulsion on the aeroelastic stability of an electric aircraft wing was investigated. All the electric…”
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Enhancing gust load alleviation performance in an optimized composite wing using passive wingtip devices: Folding and Twist approaches
Published in Aerospace science and technology (01-04-2024)“…This paper introduces an innovative numerical method for the design and optimization of high-aspect-ratio composite wings equipped with passive control…”
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8
A generalization of the Valanis model for friction modelling
Published in Mechanical systems and signal processing (01-11-2022)“…The complex dynamics of a frictional contact interface have been the subject of many research investigations. However, a comprehensive model has not been…”
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Aircraft turbulence and gust identification using simulated in-flight data
Published in Aerospace science and technology (01-08-2021)“…Gust and turbulence events are of primary importance for the analysis of flight incidents, for the design of gust load alleviation systems and for the…”
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10
Electric field distribution in porous piezoelectric materials during polarization
Published in Acta materialia (01-07-2019)“…High piezoelectric coupling coefficients enable the harvesting of more energy or increase the sensitivity of sensors which work using the principle of…”
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Harmonic-Balance-Based parameter estimation of nonlinear structures in the presence of Multi-Harmonic response and force
Published in Mechanical systems and signal processing (01-01-2022)“…•A nonlinear system identification method using Harmonic Balance is developed.•The proposed method is capable of accurately identifying non-smooth…”
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12
Interval model updating with irreducible uncertainty using the Kriging predictor
Published in Mechanical systems and signal processing (01-05-2011)“…Interval model updating in the presence of irreducible uncertain measured data is defined and solutions are made available for two cases. In the first case,…”
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13
The robustness of carbon fibre members bonded to aluminium connectors in aerial delivery systems
Published in Cogent engineering (31-12-2016)“…In this paper a framework for robust design solution of an adhesively bonded joint between a composite material and an aluminum connector is developed. To this…”
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14
An improved mathematical model for hyper redundant hybrid mechanism based on the Lagrange method
Published in International journal of control (02-12-2021)“…In this paper, an improved mathematical model for a novel hyper redundant hybrid mechanism with 12 DOFs is presented. This hyper redundant hybrid mechanism is…”
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15
Model updating strategy for structures with localised nonlinearities using frequency response measurements
Published in Mechanical systems and signal processing (01-02-2018)“…•The strategy relies on data acquired using sinusoidal excitation, an established testing procedure in the aerospace industry.•A novel semi-analytical output…”
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16
Parameter selection and stochastic model updating using perturbation methods with parameter weighting matrix assignment
Published in Mechanical systems and signal processing (01-10-2012)“…Parameterisation in stochastic problems is a major issue in real applications. In addition, complexity of test structures (for example, those assembled through…”
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17
Perturbation methods for the estimation of parameter variability in stochastic model updating
Published in Mechanical systems and signal processing (01-11-2008)“…The problem of model updating in the presence of test-structure variability is addressed. Model updating equations are developed using the sensitivity method…”
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18
Development of a morphing wingtip based on compliant structures
Published in Journal of intelligent material systems and structures (01-09-2018)“…Compliant structures, such as flexible corrugated panels and honeycomb structures, are promising structural solutions for morphing aircraft. The compliant…”
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On the nonlinear dynamics of a piezoresistive based mass switch based on catastrophic bifurcation
Published in International journal of mechanics and materials in design (01-09-2023)“…This research investigates the feasibility of mass sensing in piezoresistive MEMS devices based on catastrophic bifurcation and sensitivity enhancement due to…”
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20
The design of a coated composite corrugated skin for the camber morphing airfoil
Published in Journal of intelligent material systems and structures (01-09-2015)“…One of the critical components of a morphing wing is the anisotropic skin, which has to be stiff to withstand the aerodynamic loads and flexible to enable the…”
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