hello everyone, anybody can help me to work out the issue, which showing the following warning after running analysis. *WARNING* PLATE NO. 4(JOINTS 51 - 53 - 52 - 50) IS BADLY SHAPED, WARPED, NOT CONVEX, OR NOT NUMBERED COUNTER-CLOCKWISE.…

I think staad foundation advance still needs to be improved. Here are some suggestions. 1- When we import load cases and combinations from staad, we have to change description of every load and load cases by selection each one by one (i.e it is primary…

Dear All, I want to ask about the vibration of machine. As far as I know, we need to input as sine function. Am I right? I assumed the weight of machine is 110 kN and assumed that 10% of weight will be placed as the vibration. I use…