Explain periodic modeling.

The periodic modeling features allow customers to take advantage of linear or angular periodic properties of their devices by modeling only the periodic portion of the device. This capability greatly simplifies model design time and significantly reduces model analysis time by up to 90% without sacrificing accuracy.

Step 1:
Create the model’s periodic portion by creating a partial CAD model with the appropriate physical properties assigned.

Step 2:
Assign boundary elements to all surfaces except those shared with the other periodic sections (not modeled).

Step 3:
Select whether or not the design is linear or angular periodic, which axis (X,Y,Z) the model is periodic on and whether the design is anti-periodic (alternating sources direction voltage, currents or magnets) or just periodic. Finally, the designer must specify the number of periodic sections. For linear periodic models you must provide the number of sections modeled, the total number of sections in the full design and the length of the complete design. For angular periodic models, only the number of sections in the full design are required.

Step 4:
Periodic analysis is then performed. Periodic analysis solves just the periodic structure, saving significant analysis time.

Step 5:
Review complete results for the entire structure (e.g. total torque, magnetic flux, capacitance, etc.)

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