CST – Computer Simulation Technology

Meta-Modeling with OptiY Design Space Visualization for Electromagnetic Applications in CST STUDIO SUITE

The-Quan Pham, OptiY e.K. Meta-modeling is a process to win the mathematical relationship between design parameters and product characteristics. For each point in the parameter space, there is a corresponding point of the design space. Many model calculations should be performed to show the relationship between outputs and inputs systematically. For a high computing effort of the product model, it is practically infeasible. Adaptive response surface methodology can be used to solve this problem. The mathematical relationship between design parameters and product characteristics presents a new dimension of the simulation results and called meta-model. Based on this meta-model, a virtual optimization or test of the virtual design can be performed very fast to evaluate and to improve the design under real conditions. The meta-model can be exported into C-, Modelica-, or Matlab-code for further using as surrogate model in system simulation as Matlab/Simulink, circuit-simulators. We apply this on a hybrid waveguide junction in CST Studio Suite. Design parameters are geometrical dimensions of the junction. The reflection and transmission at the operating point 8GHz are defined as design goals.

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