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General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.

Transient structural analysis

    • deepesh.p.gurdasani
      Subscriber

      How to give base excitation to any other location than to the fixed supports? As it can scope only to 'Fixed supports' in Acceleration.

      Thanks in advance.

    • Ashish Khemka
      Forum Moderator

      Hi,

      Base excitation must applied on fixed support, displacement, remote displacement or body to ground spring.

      Regards,

      Ashish Khemka

    • deepesh.p.gurdasani
      Subscriber

      But apart from Fixed support and displacement, there is no other boundary condition that can be scoped like remote displacement or body to ground spring.

    • peteroznewman
      Subscriber

      Deepesh, remote displacement is a BC that works for Base Excitation as mentioned by Ashish above.

      I don't know if a Body-to-Ground spring will be excited by Base Excitation, but if not, you can introduce a massless rigid body into your model to represent the ground. That body can have the Remote Displacement, and the springs can be converted to Body-to-Body.

    • deepesh.p.gurdasani
      Subscriber

      remote displacement as boundary condition for base excitation. Is this a new change in versions post 2022 R1 ?

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