https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12520143#M3993 <P>Hello,&nbsp;</P><P>Anyone Can help me to undestand why mx displacement of stories and drift of stories are not compatible with results?</P><P>I mean...in the picture 1, max and min displacement Y direction:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Michele100100_0-1706194879048.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1318273i4964CA2C431F0AB7/image-size/medium?v=v2&amp;px=400" role="button" title="Michele100100_0-1706194879048.png" alt="Michele100100_0-1706194879048.png" /></span></P><P>In the picture 2, drift of stories results:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Michele100100_1-1706194960891.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1318278i2D25109EF02FB2F7/image-size/medium?v=v2&amp;px=400" role="button" title="Michele100100_1-1706194960891.png" alt="Michele100100_1-1706194960891.png" /></span></P><P>&nbsp;</P><P>Why hey don't match?</P><P>Any help?</P><P>Attached the model.</P><P>&nbsp;</P><P>thanks.</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 25 Jan 2024 15:05:03 GMT Michele100100 2024-01-25T15:05:03Z https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12520143#M3993 <P>Hello,&nbsp;</P><P>Anyone Can help me to undestand why mx displacement of stories and drift of stories are not compatible with results?</P><P>I mean...in the picture 1, max and min displacement Y direction:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Michele100100_0-1706194879048.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1318273i4964CA2C431F0AB7/image-size/medium?v=v2&amp;px=400" role="button" title="Michele100100_0-1706194879048.png" alt="Michele100100_0-1706194879048.png" /></span></P><P>In the picture 2, drift of stories results:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Michele100100_1-1706194960891.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1318278i2D25109EF02FB2F7/image-size/medium?v=v2&amp;px=400" role="button" title="Michele100100_1-1706194960891.png" alt="Michele100100_1-1706194960891.png" /></span></P><P>&nbsp;</P><P>Why hey don't match?</P><P>Any help?</P><P>Attached the model.</P><P>&nbsp;</P><P>thanks.</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 25 Jan 2024 15:05:03 GMT https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12520143#M3993 Michele100100 2024-01-25T15:05:03Z https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12520634#M3994 <P>Hi <a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/5844080">@Michele100100</a>&nbsp;</P> <P>The drift is calculated with the average displacement of the floors. </P> <P>Example for seismic combination # 55</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-left" image-alt="Drift.jpg" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1318366iE7A36426457F6E33/image-dimensions/600x418?v=v2" width="600" height="418" role="button" title="Drift.jpg" alt="Drift.jpg" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 25 Jan 2024 19:12:44 GMT https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12520634#M3994 Simau 2024-01-25T19:12:44Z https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12521495#M3995 <P>Ok, thanks.</P><P>Now I understood the differences in value.</P> Fri, 26 Jan 2024 07:29:03 GMT https://forums.autodesk.com/t5/robot-structural-analysis-forum/drift-of-stories-understanding/m-p/12521495#M3995 Michele100100 2024-01-26T07:29:03Z