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Sensitivity Studies

Methods for the determination of significant variables are implemented in LS-OPT.
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Linear ANOVA (Analysis of Variance)

  • regression based method
  • evaluated on metamodel
  • 90% confidence interval
  • normalized with respect to design space
  • influence of variables on single response

Global Sensitivity Analysis (Sobol)

  • variance based method
  • evaluated on metamodel
  • nonlinear for nonlinear metamodel
  • normalized
  • absolute value
  • determination of influence of variables an multiple responses or on the whole problem possible

 

 

 

 

 
 Examples:

 

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