Gradient-based techniques Subject

With respect to z,x and subject to c z,x,y x,y,z))>0 If a gradient-based method is used to solve the above problem, then a complete MDA is necessary not just at each iteration but at every point where the derivatives are to be evaluated. Thus, attaining multidisciplinary compatibility can be prohibitively expensive in realistic application. Figure 15.7 shows the data flow in an A-i-O analysis and optimization. The different disciplines are considered as a single monolithic analysis. This is conceptually very simple, and once all disciplines are coupled to form one single MDA module, one can use the same techniques that are... 

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