https://communities.bentley.com/products/geotech-analysis/f/forum/246419/how-to-check-fundamental-period-dam-structure-in-plaxisHello, i have some a question, how to check fundamental period of structure in plaxis ? because we need to confirmed of fundamental period of DAM structure with input motions period to analysis dynamicen-USTelligent Community 12https://communities.bentley.com/thread/769616?ContentTypeID=1Wed, 14 Jun 2023 13:02:03 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:35edb82b-702b-482c-a08e-febeec8b19f6Vasileios Basas<p>Hi Rinaldi,</p> <p>You may want to check our article on how to evaluate the natural frequency of vibration of a dam fixed at the base found here:&nbsp;<a href="https://communities.bentley.com/products/geotech-analysis/w/wiki/45533/free-vibration-analysis-of-a-dam">Free vibration analysis of a dam</a>&nbsp;</p> <p>Additionally, <a href="https://communities.bentley.com/products/geotech-analysis/w/wiki/45568/plaxis-2d-tutorial-16-free-vibration-and-earthquake-analysis-of-a-building">PLAXIS 2D Tutorial 16: Free vibration and earthquake analysis of a building</a>&nbsp;and&nbsp;&nbsp;<a href="https://communities.bentley.com/products/geotech-analysis/w/wiki/45580/plaxis-3d-tutorial-09-free-vibration-and-earthquake-analysis-of-a-building">PLAXIS 3D Tutorial 09: Free vibration and earthquake analysis of a building</a>&nbsp;describe a similar process for a structure.&nbsp;</p><div style="clear:both;"></div>