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• ### How can I create a member eccentricity using the COM interface?

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In order to be able to assign an eccentricity to a member, it is usually necessary to create it before setting the member.

Another approach is shown in the following example. First, the eccentricity is created and then assigned to an existing member via its interface:

'---------------------Sub SetEccentricity()'---------------------Dim model As RFEM5.modelSet model = GetObject(, "RFEM5.Model")model.GetApplication.LockLicenseOn Error GoTo eDim iModData As RFEM5.iModelDataSet iModData = model.GetModelData'   create eccentricityDim eccens(0 To 0) As RFEM5.MemberEccentricityeccens(0).No = 1eccens(0).Comment = "test eccentricity"eccens(0).ReferenceSystem = LocalSystemTypeeccens(0).Start.X = 0eccens(0).Start.Y = 0eccens(0).Start.Z = 0eccens(0).End.X = 0eccens(0).End.Y = 0eccens(0).End.Z = 0eccens(0).HingeAtEndNode = Falseeccens(0).HingeAtStartNode = Falseeccens(0).HorizontalAlignment = Middleeccens(0).VerticalAlignment = Bottomeccens(0).TransverseOffset = Trueeccens(0).ReferenceObjectNo = 2eccens(0).ReferenceObjectType = MemberObjecteccens(0).HorizontalAxisOffset = Middleeccens(0).VerticalAxisOffset = Topeccens(0).StartAdjoiningMembersOffset = Falseeccens(0).EndAdjoiningMembersOffset = FalseiModData.PrepareModificationiModData.SetMemberEccentricities eccensiModData.FinishModification'   add eccentricity to memberDim iMem As RFEM5.IMemberSet iMem = iModData.GetMember(1, AtNo)Dim mem As RFEM5.Membermem = iMem.GetDatamem.EccentricityNo = 1iModData.PrepareModificationiMem.SetData memiModData.FinishModificatione:      If Err.Number <> 0 Then MsgBox Err.Description, , Err.Sourcemodel.GetApplication.UnlockLicenseEnd Sub

Member eccentricities can only be transferred as a field; for this purpose, a field with only one element has been created. In the attached image, the individual elements are itemized with reference to the graphical elements.

• ### Is there any way to get a free student version of Dlubal Software (such as RFEM, RSTAB, RWIND Simulation) if I am not attending a university or college, but a high school, for example?

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Unfortunately, it is not. Dlubal Software requires specialized knowledge in the field of structural analysis; therefore, the student version is only available to students of technical colleges and universities teaching structural analysis, engineering mechanics, and similar subjects.

• ### I cannot download the authorization file or it is blocked by a browser. How do I get the file?

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Some browsers may initially block the download of the authorization file because they recognize it as a threat. In this case, you can still download the file in the browser. To do this, ignore the blocking in the menu. The image shows the corresponding option of the Microsoft Edge browser.

• ### Does RF‑/FOUNDATION Pro work independently, without the main program?

The RF‑/FOUNDATION Pro add-on module only works as part of the main program RFEM or RSTAB. Unfortunately, it is not possible to run this program on its own.
• ### I cannot open a model. The program says that the model was not found.

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Try to remove the diacritics from the model name. The model might be created in a different language setting than on your computer. This depends on the settings in Windows: Region and language.

• ### Why is there no support force displayed even though I have modeled the member foundation?

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If the model contains members with elastic foundations, the contact forces and contact moments are displayed numerically in Table 4.7.

To control the graphical display of results, select the Members check box in the Results navigator.

• ### Can I adjust a model retrospectively after it has been created by using the model generator?

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After creating a model with the model generator, it is not possible to adjust the model retrospectively by using the model generator.

However, it is possible to save the dialog input of the model generator as a template and use it later again. In this way, you can adjust the imported template and thus generate a new model. Image 01 shows how to save it and Image 02 how to import the generator data.

• ### The information about the limit time for the fire resistance design R in the RF‑TIMBER Pro add-on module is missing in the printout report. Is it posssible to add this information to the printout report?

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The information about 15 minutes for the fire resistance can be switched on in the printout report by using the Edit/Select menu, where you can select the Details section of RF‑TIMBER Pro (because the fire resistance class is specified in the Details dialog box).
• ### The Project Navigator has been moved to another screen and I cannot manage to display it again. What should I do?

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When the project navigator is moved or no longer appears on the program interface, you can access the shortcut menu by right-clicking the status bar. Then, click on "Dock All Panes" to make it visible again. This also applies to displaying the table panel.
• ### Is it possible to transfer properties, such as the cross-section, or the surface thickness as well as the material of a surface, of an existing element to a new element?

When creating a new element (a member, a surface, a solid), there is a corresponding function at the bottom of the dialog box that allows you to import the properties of another element (see Image 01).

After activating the function, click the element from which you want to transfer the properties. In addition to the geometry and the material, other settings, such as eccentricities or stiffness modifications, will be transferred as well.

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Wind Simulation & Wind Load Generation

With the stand -alone program RWIND Simulation, you can simulate wind flows around simple or complex structures by means of a digital wind tunnel.

The generated wind loads acting on these objects can be imported to RFEM or RSTAB.

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