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Table 1 . Samples of numerical results using FEM.
Fig. 2. The cross section geometry at the die mid-section. The numbers...
Table 2 .
Fig. 4. FE-predicted thickness profiles at the mid-section of the...
Fig. 5. Regions where different friction coefficients are applied.
Modeling of Superplastic Forming Process: Application to a Vehicle Closure Component Forming
Conference Paper
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  • Sep 2017
In the superplastic forming (SPF) process, interfacial friction distribution strongly influences quality of the formed parts, in terms of thickness distribution. The friction coefficient is essentially an uncertain probabilistic design parameter. In order to maximize thickness uniformity of the formed part considering uncertainties in the SPF proce...
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... statistical measures are given in Table 2 for the thinning factor model. These statistical values are based on R2 as absolute fraction of variance, RMSE as root mean squared error and MAPE as mean absolute percentage, which are defined as follows: Where Ye is the target value, Ym is the output value and n is the pattern number. ...