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Optimum solution obtained with RBDO using SORA and PMA 

Optimum solution obtained with RBDO using SORA and PMA 

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Table 2 . Reliability index related to each stress constraint. 
Figure 2. Truss subject to RBDO 
Figure 3. Optimum solution obtained with RBDO using SORA and PMA 
On the accuracy of reliability index approaches and its application to rbdo problems
Conference Paper
Full-text available
  • Nov 2013
The approximate evaluation of failure probabilities using reliability index based approaches, such as First Order Reliability Methods (FORM), are among the most widespread techniques used for reliability assessment. For this reason the vast majority of papers addressing Reliability Based Design Optimization (RBDO) use some method based on the conce...
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Context 1
... is obtained assuming that the cross sections are tubular, with outside diameter d o and inside diameter d i = 0.9d o . The optimum solution obtained in this case is presented in Fig. 3. The optimum cross sectional areas are: 2.7819cm 2 , 2.3393cm 2 , 1.1751cm 2 and 0.8309cm 2 . The volume of the optimum solution is 2.2444x10 3 cm 2 ...
Context 2
... is obtained assuming that the cross sections are tubular, with outside diameter d o and inside diameter d i = 0.9d o . The optimum solution obtained in this case is presented in Fig. 3. The optimum cross sectional areas are: 2.7819cm 2 , 2.3393cm 2 , 1.1751cm 2 and 0.8309cm 2 . The volume of the optimum solution is 2.2444x10 3 cm 2 ...

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