Parameter Analysis of the Differential Model of Hysteresis

2004 ◽  
Vol 71 (3) ◽  
pp. 342-349 ◽  
Author(s):  
F. Ma ◽  
H. Zhang ◽  
A. Bockstedte ◽  
G. C. Foliente ◽  
P. Paevere
Keyword(s):  
Monte Carlo ◽  
Relative Sensitivity ◽  
Nonlinear Damping ◽  
Parameter Analysis ◽  
Sensitivity Analyses ◽  
Simplified Model ◽  
Hysteretic Model ◽  
Differential Model ◽  
Global Sensitivity

The extended Bouc-Wen differential model is one of the most widely accepted phenomenological models of hysteresis in mechanics. It is routinely used in the characterization of nonlinear damping and in system identification. In this paper, the differential model of hysteresis is carefully reexamined and two significant issues are uncovered. First, it is shown that the unspecified parameters of the model are functionally redundant. One of the parameters can be eliminated through suitable transformations in the parameter space. Second, local and global sensitivity analyses are conducted to assess the relative sensitivity of each model parameter. Through extensive Monte Carlo simulations, it is found that some parameters of the hysteretic model are rather insensitive. If the values of these insensitive parameters are fixed, a greatly simplified model is obtained.

On Parametric Analysis of Differential Hysteresis

2003 ◽  
Author(s):  
F. Ma ◽  
C. H. Ng ◽  
H. Zhang ◽  
A. Bockstedte ◽  
G. C. Foliente ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Parametric Analysis ◽  
Relative Sensitivity ◽  
Nonlinear Damping ◽  
Sensitivity Analyses ◽  
Simplified Model ◽  
Hysteretic Model ◽  
Differential Model ◽  
Global Sensitivity

The extended Bouc-Wen differential model is one of the most widely accepted phenomenological models of hysteresis in mechanics. It is routinely used in the characterization of nonlinear damping and in system identification. In this paper, the differential model of hysteresis is carefully re-examined and two significant issues are uncovered. First, it is found that the unspecified parameters of the model are functionally redundant. One of the parameters can be eliminated through suitable transformations in the parameter space. Second, local and global sensitivity analyses are conducted to assess the relative sensitivity of each model parameter. Through extensive Monte Carlo simulations, it is found that some parameters of the hysteretic model are rather insensitive. If the values of these insensitive parameters are fixed, a greatly simplified model is obtained.

Sensitivity Analysis of the Extended Bouc-Wen Model of Hysteresis

2005 ◽  
Author(s):  
F. Ma ◽  
A. Imam
Keyword(s):  
Sensitivity Analysis ◽  
Random Vibration ◽  
Relative Sensitivity ◽  
Nonlinear Damping ◽  
Sensitivity Analyses ◽  
Simplified Model ◽  
Hysteretic Model ◽  
Differential Model ◽  
Global Sensitivity

The extended Bouc-Wen differential model is one of the most widely accepted phenomenological models of hysteresis in random vibration. It is routinely used in the characterization of nonlinear damping and in system identification. In this paper, the differential model of hysteresis is carefully re-examined and two significant issues are uncovered. First, it is found that the unspecified parameters of the model are functionally redundant. One of the parameters can be eliminated through suitable transformations in the parameter space. Second, local and global sensitivity analyses are conducted to assess the relative sensitivity of each model parameter. Through extensive Monte Carlo simulations, it is found that some parameters of the hysteretic model are rather insensitive. If the values of these insensitive parameters are fixed, a greatly simplified model is obtained.

Parameter Sensitivity Analysis of the Extended Bouc-Wen Model of Hysteresis

2002 ◽  
Author(s):  
Haochuan Zhang ◽  
Fai Ma
Keyword(s):  
Sensitivity Analysis ◽  
Global Sensitivity Analysis ◽  
Simplified Model ◽  
Model Parameters ◽  
Hysteretic Model ◽  
Structural Damping ◽  
Parameter Sensitivity Analysis ◽  
Differential Model ◽  
Global Sensitivity

The extended Bouc-Wen differential model is one of the most widely accepted phenomenological models of hysteresis in computational mechanics. It is routinely used in the characterization of structural damping and in system identification. In this paper, the differential model of hysteresis is carefully re-examined and two significant issues are uncovered. First, it is found that the unspecified parameters of the model are not independent. One of the model parameters can be eliminated through suitable transformations in the parameter space. Second, through local and global sensitivity analysis, it is found that some parameters of the hysteretic model are rather insensitive. If these insensitive parameters are set to constant values, a greatly simplified model is obtained.

Improving milling operation using uncertainty and global sensitivity analyses

2019 ◽  
Vol 131 ◽  
pp. 249-261 ◽  
Author(s):  
Freddy A. Lucay ◽  
Edelmira D. Gálvez ◽  
Mauricio Salez-Cruz ◽  
Luis A. Cisternas
Keyword(s):  
Sensitivity Analyses ◽  
Global Sensitivity ◽  
Milling Operation

Dosimetric characterization of an 192Ir brachytherapy source with the Monte Carlo code PENELOPE

2010 ◽  
Vol 26 (3) ◽  
pp. 132-139 ◽  
Author(s):  
Francisco Javier Casado ◽  
Salvador García-Pareja ◽  
Elena Cenizo ◽  
Beatriz Mateo ◽  
Coral Bodineau ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Code ◽  
Brachytherapy Source

scholarly journals Characterization of the Si(Li) detector for Monte Carlo calculations of beta spectra

2018 ◽  
Vol 13 (01) ◽  
pp. P01021-P01021
Author(s):  
P. Novotny ◽  
P. Dryak ◽  
J. Solc ◽  
P. Kovar ◽  
Z. Vykydal
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Calculations ◽  
Beta Spectra
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