Technical

Technical issues or questions that frequently arise with using MecaStack

Guy Wire Pretension
The guy wire pretension can have a big impact on the behavior of the guy wire supported system.  The guy wires help resist the lateral loads (Wind, seismic)...
Wed, 2 Apr, 2025 at 8:20 AM
Ice Loads on Stacks
Unfortunately, there isn't an automatic way to handle ice within MecaStack; however, it is something on our wish list.  There are a couple of ways you c...
Tue, 8 Apr, 2025 at 3:58 PM
Evaluating existing stacks for Vortex Shedding
Evaluating Vortex Shedding on Existing Stacks: Why "No Failure" Isn’t Proof of Safety Engineers evaluating an existing stack that has be...
Fri, 2 May, 2025 at 1:08 PM
Structural Flange Changes v5759
In v5759 we revised the structural flange analysis methodology.  While the previous analysis methodology had been used for many years, the technical basis w...
Thu, 22 May, 2025 at 3:59 PM
Section Properties with Nozzle Openings
This is the way section properties of a cylinder are evaluated when there is a round breach opening in the stack.  We break up the stack into beam elements,...
Tue, 7 Oct, 2025 at 9:37 AM
Adding Material to Database
If you would like for us to consider adding the material to the database, then we will need your assistance in finding a credible resource to find and verif...
Fri, 6 Feb, 2026 at 5:38 AM