33Īutomatic Optimization Choose the “Classic Powell” optimizer.Īutomatic Optimization - Results parameter values Template based postprocessing 0D results can be used to define very complex goal functions. Parameter Sweep – Table Results parameter valuesĪutomatic Optimization Define the parameter space. Parameter Sweep – Table Results Right click on plot window and select “Table Properties…”.Ĭhoose the result curve for each parameter value with the slider. The results will be automatically listed in the “Tables” folder. Parameter Sweep - Settings Add a S-parameter watch. Result Processing Templates (Shift+P) Alternative solution: The maximum gain can be computed using the “Farfield” template in “0D Results”. Read the online help to learn more about the postprocessing in CST MWS. Result Processing Templates (Shift+P) 0D results Each template is evaluated for each solver run. Postprocessing templates provide a convenient way to calculate derived quantities from simulation results. Result Processing Templates (Shift+P) 1D results Define gain(theta) at phi=0. R1 outer radius r1 = variable goal: maximize gain Polar Plot for Far Field at 10 GHz phi=90Ĭreate a new folder “Comparison” to compare different 1D results.
The simulation is finished when the electromagnetic energy in the computational domain falls below this level. Transient Solver: Start Simulation The accuracy defines the steadystate monitor. 10Īdd field monitors for E-field, H-field, and far field at 10 GHz. Port Definition Pick point inside corner.ĭefine the port on the internal profile. Select multiple objects (ctrl or shift + left mouse button). Horn Antenna – Construction (III) Perform a Boolean add. 5ĭefine a brick (1.0 x 0.5 x 0.5 in) made of PEC.ĭefine a cylinder (outer radius: 1.0 in, height: 0.25 in) made of PEC. The project templates customize the default settings for particular types of applications. PEC is very practical for closed structures. 4Īntennas should be modeled with vacuum as background material. Zlength=2 units: inch waveguide: 1.0 in x 0.5 in x 0.5 in aperture radius: 1.0 in, length: 0.25 in shell thickness: 0.01 in (outside) monitors: E-field, H-field & far field at 10 GHz
2Ĭylindrical Horn Antenna 8 – 12 GHz 1 0.5 0.5 dia=2, rad=1 Specify boundary and symmetry conditions. Workflow Example Horn Antenna Purpose : Optimize the aperture of the horn antenna such that the gain is maximized at 10 GHz.ĬST MWS - Standard Workflow Choose a project template.
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