According to application notes by AISC, for Direct Analysis Method the UNREDUCED STIFFNESS shall be used for service checks. Now, due to limitations by Staad for DAM (for instance, not TENSION MEMBER available), I proceed to: 1. Reduce module of elasticity…

Hi, trying to use the inactive member/change commands but resulting in errors. The syntax I'm using is below. Load 125 is a generated moving load. [Other primary load cases] INACTIVE MEMBER 1011 TO 1025 1040 LOAD 1601 LOADTYPE None TITLE PILE ONE…

I am using the change command to run a model with different supports. so i have the first model with the below constants:- SUPPORTS 82 83 FIXED BUT FX FY MX MY MZ 94 TO 97 121 FIXED BUT FY FZ MX MY MZ 130 FIXED BUT FX FZ MX MY MZ then i introduce…

In Section 5.38 change specification-Technical Reference Manual under the NOTE b states that: Multiple Analyses using the CHANGE COMMAND should not be performed if the input file contains load cases involving dynamic analysis or Moving Load Generation…