Friction coefficient of upsetting with a procedure of combining the inverse model and the Tikhonov method

Lin, Zone‐Ching; Lin, Ven-Huei

doi:10.1016/j.ijmecsci.2006.01.015

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…Their studies verified the possibility of a novel damage index derived from the dynamic response of the structure subjecting to moving load. In 2006, Lin [8] et.al analyzed the eigenvalue problem of the damage bridge subjecting to the moving load. Numerical case studies verified the validity of the proposed method for damage detection.…”

Section: Introductionmentioning

confidence: 99%

Comparative Studies on Damage Detection Based on Dynamic Response of a Beam Subjecting to Moving Load

Zhang

Ma²

2013

AMM

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In this paper, the feasibility and sensitivity of damage detection based on dynamic responses of a simply supported beam were examined theoretically and numerically, which were the displacement, velocity and acceleration histories at mid-span on a beam under the moving load. First, the theoretic background of a damage beam vibration subjecting to moving load was briefly described. And then a finite element method was used to calculate the responses of the beam. Using wavelet transform of the dynamic responses, the damage could be identified. Case studies showed that the velocity response was sensitive to the damage and the simulations illustrated the better quality of damage detection by velocity than the ones by displacement and acceleration.

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Section: Introductionmentioning

confidence: 99%

Comparative Studies on Damage Detection Based on Dynamic Response of a Beam Subjecting to Moving Load

Zhang

Ma²

2013

AMM

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“…The dynamic programming method was adopted by Trujillo (2) to develop the inverse models for estimating the unknown parameters of heat conduction problems and vibration problems. Lin (3) combined the inverse model and the regularization of Tikhonov method to identify the friction coefficient of upsetting process.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Damping Coefficient of Air Motor Rotation Experiment

Lin

Huang

2008

JSDD

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The subject of this paper is the estimation of damping coefficients for an air motor rotation experiment. This paper studies three methods for the calculation of damping coefficients under the air motor rotation experiment, including the proposed inverse model, finite difference model and the application of Laplace transform method to deduce an equation for calculation of damping coefficient. In the air motor rotation experiment, the data of experimental angular velocity and experimental torque can be employed to calculate the damping coefficients by using the inverse model proposed by this paper. The advantage of the inverse model is that the damping coefficients, the angular velocity and the angular displacement for air motor rotation experiment can be obtained at the same time. But the finite difference method and the Laplace transform method can not do that. Synthesizing the analytic results, the inverse model proposed by this paper can reasonably calculate the damping coefficients for air motor rotation experiment.

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Determination of hardening behaviour and contact friction of sheet metal in a multi-layered upsetting test

Coppieters

Lava

Sol

et al. 2011

Experimental and Applied Mechanics, Volume 6

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Friction coefficient of upsetting with a procedure of combining the inverse model and the Tikhonov method

Cited by 5 publications

References 17 publications

Comparative Studies on Damage Detection Based on Dynamic Response of a Beam Subjecting to Moving Load

Comparative Studies on Damage Detection Based on Dynamic Response of a Beam Subjecting to Moving Load

Investigation of Damping Coefficient of Air Motor Rotation Experiment

Determination of hardening behaviour and contact friction of sheet metal in a multi-layered upsetting test

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