https://forums.autodesk.com/t5/robot-structural-analysis-forum/compression-only-soil-springs-cylindrical-shell/m-p/9624727#M18774 <P>@Anonymous&nbsp;</P> <P>if i understand clarly your request</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="uplift.jpg" style="width: 591px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/793177i0EE33B245EDD759B/image-size/large?v=v2&amp;px=999" role="button" title="uplift.jpg" alt="uplift.jpg" /></span></P> Wed, 08 Jul 2020 17:47:24 GMT Simau 2020-07-08T17:47:24Z https://forums.autodesk.com/t5/robot-structural-analysis-forum/compression-only-soil-springs-cylindrical-shell/m-p/9624488#M18773 <P>Hello,</P><P>&nbsp;</P><P>I am trying to model the soil springs for a tunnel - I wish for them to be compression only springs, however, I am not sure how this relates to uplift when defining the elastic soil parameters when assigning the panel thickness?&nbsp;</P><P>&nbsp;</P> Wed, 08 Jul 2020 16:02:42 GMT https://forums.autodesk.com/t5/robot-structural-analysis-forum/compression-only-soil-springs-cylindrical-shell/m-p/9624488#M18773 Anonymous 2020-07-08T16:02:42Z https://forums.autodesk.com/t5/robot-structural-analysis-forum/compression-only-soil-springs-cylindrical-shell/m-p/9624727#M18774 <P>@Anonymous&nbsp;</P> <P>if i understand clarly your request</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="uplift.jpg" style="width: 591px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/793177i0EE33B245EDD759B/image-size/large?v=v2&amp;px=999" role="button" title="uplift.jpg" alt="uplift.jpg" /></span></P> Wed, 08 Jul 2020 17:47:24 GMT https://forums.autodesk.com/t5/robot-structural-analysis-forum/compression-only-soil-springs-cylindrical-shell/m-p/9624727#M18774 Simau 2020-07-08T17:47:24Z