Technical

Technical issues or questions that frequently arise with using MecaStack

External Loads aren't being added correctly into MecaStack reactions
There are instances where it may appear that MecaStack is not properly considering external point loads applied to the model.  If the stack is self supporte...
Thu, 8 Aug, 2019 at 7:41 AM
How do I model a Dual Wall Stack in MecaStack?
There is not currently an option for a dual wall stack in MecaStack; however, you can model a dual wall stack as follows: 1)  Model the outer stack diamete...
Thu, 8 Aug, 2019 at 7:41 AM
How do you use the "Enter Pipe" option in MecaStack?
The "Enter Pipe" option is only a convenience option to use when the stack is fabricated from pipe material, rather than rolled from plate.  For Ex...
Mon, 29 Oct, 2018 at 5:58 AM
How does MecaStack treat Piping?
When you model as piping, then no stiffness is considered for the piping, the software only adds wind area and weight.  The wind area and weight are assume...
Thu, 20 Dec, 2018 at 12:58 PM
How to Add material to MecaStack Database
MecaStack allows you to enter your own customer materials.  To do so please follows these steps (Due to changes in the program sometimes the screens may not...
Mon, 4 Feb, 2019 at 12:48 PM
Vortex Shedding on Guy Wire Supported Stacks
There are not any codes which are very complete when it comes to analysis of vortex shedding on guyed stacks.  There have been very few instances where guye...
Wed, 6 Feb, 2019 at 9:09 AM
Basis for Baesplate Design
The basis for the Baseplate Design in MecaStack is prom "Process Equipment Design" by Brownell and Young.  This book is no longer being published,...
Thu, 7 Feb, 2019 at 10:40 AM
MecaStack Effective Length Factors
MecaStack considers effective length factors (K) for sections of a Self Supported or Guy WIre supported stack, depending upon the boundary conditions at eac...
Wed, 20 Feb, 2019 at 11:44 AM
Non-Linear Analysis & P-Delta Effect
In the non-linear analysis the user specifies "load steps".  The total load is divided by the number of load steps and then applied.  For example,...
Wed, 20 Mar, 2019 at 2:05 PM
Breech Reinforcement
There isn’t a lot of great information on designing breech openings, but there is a little information.  CICIND published some information in the link below...
Mon, 25 Mar, 2019 at 4:30 PM