• Von Mises correct?

    Hi I use STAAD Pro Connect V22 Update 3. Here I display a color plot of stresses in a plate between girders. I get Von Mises stresses more than twice as large as the Tresca stresses. How can this be? In theory Tresca shall be equal or larger than Von…
  • [API CODE] ask : RATIO command

    dear all. i want to ask about the RATIO command in API code in Staad pro v8i. i use Staad Pro v8i SERIES 4. in AISC, the RATIO command means "Permissible ratio of actual to allowable stress". but in API, it says "Permissible ratio of applied loading…
  • Re: staad pro v8i (20.07.09.31) issue

    dear Shany. thank you for answering question 1. for question 3. i can't share the staad file due to company regulation. i'm so sorry. but i can show you my study staad for stair tower. this staad represent my problems. i check using AISC…
  • Elemental stiffness matrix

    Hello, I built a simple truss model in Staad pro V8i. I am wondering whether there is a way to extract elemental stiffness matrix in global coordinate? I can access global stiffness matrix by enter SET PRINT STFFINESS in the basic solver. Is there any…