{"id":168954,"date":"2022-04-28T02:04:55","date_gmt":"2022-04-28T02:04:55","guid":{"rendered":"\/forum\/forums\/topic\/time-step-in-transient-structural-analysis-settings\/"},"modified":"2022-05-05T13:17:46","modified_gmt":"2022-05-05T13:17:46","slug":"time-step-in-transient-structural-analysis-settings","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/time-step-in-transient-structural-analysis-settings\/","title":{"rendered":"Time Step in Transient Structural (Analysis Settings)"},"content":{"rendered":"
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I am a beginner in Ansys. I've only started working on the software for the past four months. Now, I am working on a study using linear time history. One of my goals in this study is to compare the results from the linear time history I initiated in Ansys to other structural analysis software like Etabs to validate the results.<\/p>\n

I performed linear time history in Ansys through modal and transient analysis, and I'm looking for the displacement of the structure when subjected to acceleration. However, I am having a hard time matching the results of Ansys with Etabs.<\/p>\n

I have tried to make the loads similar in Etabs and Ansys and have successfully matched the results of the modal analyses from each software after several attempts. But the results in the transient analysis are still far from each other. Since I am more familiar with Etabs, I am sure that I have performed the linear time history analysis well in that software. <\/p>\n

However, Ansys has a different interface and features than Etabs. I am not sure whether I have performed the analysis well in Ansys because it produces small values compared with Etabs, especially while using the transient analysis.<\/p>\n

I think that perhaps, the analysis settings in the transient analysis of Ansys have something to do with the discrepancy between the results. I believe there is a need to input the correct time step. However, I am still having trouble defining such value. Can anyone please help me?<\/p>\n

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