An optimization design management device (1) for analyzing a target variable one from a set of explanatory variables with at least one external calculation node, thereby to perform an optimization with the analyzed result. The optimization design management device (1) comprises an explanatory variable sending unit for sending the set of explanatory variables to be used for the analyses from a calculation node (2), a target variable receiving unit for receiving the target variable of the analyzed result from the calculation node (2), a response curved surface calculation unit (21) for calculating at least one response curved surface from the sets of explanatory variables and target variables, an optimization calculation unit (22) for updating the set of explanatory variables toward a predetermined optimization condition, as a new set of explanatory variables in the response curved surface, and a control unit (11) for repeating the operations continued from the explanatory variable sending unit, till a predetermined ending condition is satisfied.
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