![]() ![]() Sobol’ sensitivity indices using sensitivity analysis (SA) were calculated simultaneously, for determining the influential parameters. ![]() After the post processing of the results, the impact of the uncertainties on the objectives was monitored. ![]() Then by using the HDSS environment, the cubature nodes were passed to Hysys model.įew Gauss-Hermite cubature nodes were used to make a surrogate model in comparison with MC simulation points. First, a code to generate the cubature nodes and weights for 5 th order gPC method was developed in the Matlab environment. The performance of the proposed gPC based methodology was tested for making a surrogate model and thereby UQ and SA was carried out simultaneously. Hence, a code was made for creating a hybrid digital simulation system (HDSS) by connecting Matlab software to exchange the information seamlessly. Moonyong Lee, in Computer Aided Chemical Engineering, 2017 2.3 Software integration for UQ and SAĪspen Hysys is a deterministic type simulation software and cannot support randomness, rather Matlab is a multi-purpose tool which can do stochastic calculations.
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