What is the difference between TSTEP and TSTEP(time) in direct transient analysis

Shiva Prasad
Shiva Prasad Altair Community Member
edited August 6 in Community Q&A

I'm doing a direct transient analysis , in the load step there are 2 options like TSTEP AND TSTEP(time) , I'm unable to find the difference between both. So I want what is the exact difference between both and when to use which.

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Answers

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited August 5

    Hi Shiva,

    You can use TSTEP for Direct and Modal Transient analysis and TSTEP(Time) for Transient Thermal analysis.

    Thanks

    Rajashri

  • Shiva Prasad
    Shiva Prasad Altair Community Member
    edited August 5

    Hi rajashri,

    Can you explain the reasoning behind this , because both options seems to do the same work .If you could elaborate it will help me.

     

    Thank you.

     

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited August 6
    Shiva Prasad said:

    Hi rajashri,

    Can you explain the reasoning behind this , because both options seems to do the same work .If you could elaborate it will help me.

     

    Thank you.

     

    Hi Shiva,

    In Thermal transient load is due to Temp or Flux and in Modal Transient there is Displacement, velocity, acceleration, force etc involved for loading. that is why two different cards used for set up.

    Thanks

    Rajashri

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