No mass found for analysis case Modal BE1

M

Mesut Turan

New Member
good day hello; Steel gives an error in the project, what is the reason in the analysis, how can we fix it? Modal BE1" MASS FOUND FOR ANALYSIS STATUS. Thanks. Best Regards.
 
Re: Modal BE1 ERROR Hello Mr. Berat; I modeled the roof again, this time while laying the purlin beams, by creating knot points, I was checking the moment graphs by making occasional analysis and after a while; Modal started giving ERROR BE1. Project Link;
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best regards..
 
Re: Modal BE1 ERROR Hello Mr. Mesut; First of all, since the basement is no longer in your project, remove it from the general settings of the floor or remove the rigid X and Y signs next to it. According to TBDY 2018, the program tries to perform dynamic analysis for the basement structure, but it gives an error because you do not have such a mass. 1- You have beams on top of each other and these beams are not supported at any point. I removed these elements from your project. To understand such situations, examine your structure under vertical loads and Modal results in the post-analysis deformations section. 2- There is a serious wall load of 325 kg/m on all your beams. Remove them and enter the roof fixed, mobile and snow loads with the pavement entrance. If you enter the coating, the program will automatically determine the wind load according to TS 498. In this way, you get the appropriate loads for the project. 3- Your roof auxiliary beams are not connected to the cross section of your main beams, you have connected them with eccentricity, so you will have difficulty in creating a suitable joint detail. Center it on the main beams.
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The tutorial in the link will be useful. Good work.
 
Re: Modal BE1 ERROR Hello, Ms. Nurgul; First of all, thank you very much for your interest and concern. 1- I could not look at the analysis because it gave a modal error, there are a few elements left during the copying, thanks 2- I remove the wall loads after selecting all the beams last. 3- I made my auxiliary purlin beams by creating points on the main beams. When I look at the calculation model, I think the program throws a very rigid bar between two connections, even if it is not fully centered, and I can understand from the change in the direction of the moment that it perceives that part as the support in the moment graph. Am I thinking right? Here the links will be welded. I would like to thank ideCAD family for your valuable comments in such a short time. Best regards...
 
Re: Modal BE1 ERROR Hello; 1- Go to the group lists and select the relevant group. Then press the select command. Then press the close command. If you enter the properties of the elements you selected with ctrl+e, you can change the load. We were unable to generate any program shutdowns. If you remember the order of your transactions, please write. 2- You can also perform the same operation with the Right-click select similar command. 3- You cannot select the supports from the building tree and interfere with all of them at the same time. One method for this is to select all columns and enter their properties and define the freedom you want from the freedoms subheading. Or it is to select the supports from the perspective screen or building tree and intervene one by one. Good work.
 
Re: Modal BE1 ERROR Ms. Nurgul; I noticed something while removing the account reports, the loads we load linearly do not appear. There are those loads in the elements, but you can look at the model in your hand that I loaded linearly.
 
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