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  • Users: ThePenguin
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  1. ThePenguin

    Flexible Diaphragms in RISA-3D Without RISA-Floor?

    Is there any way to model (efficiently) a flexible diaphragm in RISA-3D without using RISA-Floor? I have finally forsaken portal method and moment distribution spreadsheets and purchased a copy of RISA-3D to join the 21st Century, only to realize that I might need additional software to do...
  2. ThePenguin

    NEMA ST-20

    The NEMA website lists ST-20 "Dry Type Transformers for General Applications" as Rescinded. Does anyone have any idea what standard will fill the void? http://www.nema.org/stds/st20.cfm

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