Optimization apparatus, simulation system and optimization method

A simulation system comprising:

• a simulator to perform simulation based on input parameters to output a result of simulation;
• and
• an optimization apparatus to optimize the input parameters,
• wherein the optimization apparatus comprises:
• an output data acquirer to acquire output data expressing a result of simulation by the simulator based on input parameters;
• input/output data storage to store the input parameters and the output data corresponding to the input parameters, as a pair;
• an evaluation value calculator to calculate evaluation values of the output data;
• an input parameter converter to generate conversion parameters of a dimension number changed from the dimension number of the input parameters;
• a next-input parameter decider to decide next input parameters based on pairs of the conversion parameters and the evaluation values corresponding to the conversion parameters;
• and
• a repetition determiner to repeat operations of the output data acquirer, the input/output data storage, the evaluation value calculator, the input parameter converter, and the next-input parameter decider, until satisfying a predetermined condition.

A simulation method on computer:

• acquiring output data expressing a result of experiment or simulation based on input parameters;
• storing the input parameters and the output data corresponding to the input parameters, as a pair;
• calculating evaluation values of the output data;
• generating conversion parameters of a dimension number changed from the dimension number of the input parameters;
• deciding next input parameters based on pairs of the conversion parameters and the evaluation values corresponding to the conversion parameters;
• and
• repeating the acquiring, the storing, the calculating, the generating, and the deciding, until satisfying a predetermined condition.