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This article presents the basic concepts in structural dynamics and their role in the seismic design of structures. Great emphasis is given to explaining the technical aspects in an understandable way, so that readers without deep technical knowledge can gain an insight into the subject.
Everything is online. The same is true for the Dlubal licenses for RFEM 6, RSTAB 9, and RSECTION. This article contains information about using and managing online licenses, reserving licenses, checking the license validity, and moving authorizations between the licenses.
Our webservice offers users the opportunity to communicate with RFEM 6 and RSTAB 9 using various programming languages. Dlubal's high-level functions (HLFs) allow you to expand and simplify the WebService's functionality. In line with RFEM 6 and RSTAB 9, using our WebService makes the engineer's work easier and faster. Check it out now! This tutorial shows you how to use the C# library by means of a simple example.
- 001819
- Design
- Aluminum Design for RFEM 6
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- Aluminum Design for RSTAB 9
- Concrete Design for RFEM 6
- Concrete Design for RSTAB 9
- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Timber Design for RFEM 6
- Timber Design for RSTAB 9
- Concrete Structures
- Steel Structures
- Timber Structures
- Structural Analysis & Design
- Eurocode 0
- Eurocode 2
- Eurocode 3
- Eurocode 5
- Eurocode 9
- ADM
- ANSI/AISC 360
For the serviceability of a structure, the deformations must not exceed certain limit values. This article describes an example that shows how to analyze the deflection of members using Dlubal's design add-ons.
As for the previous generations of Dlubal programs, an integrated interface with Autodesk Revit is now also available for RFEM 6 and RSTAB 9. This article will provide some general information about the interface as well as the Dlubal-relevant structural objects and parameters in Revit.
Spreadsheet programs like MS EXCEL are very popular with engineers because they allow you to simply automatize your calculations and quickly output the results. Therefore, combining MS EXCEL used as a graphical interface with Dlubal's WebService API is an obvious choice. By using the free xlwings library for Python, you can control EXCEL, and read and write values. The functionality is described in the following, using an example.
With the release of the structural analysis programs RFEM 6, RSTAB 9, RSECTION 1, and RWIND 2, Dlubal Software introduces a new generation of structural analysis programs. True to the motto "Structural analysis that is fun ...", the program provides users with universal tools with which they can meet all the requirements in structural engineering. Find out more about the latest developments at Dlubal Software in this article.
In addition to the predefined models available as blocks in Dlubal Center | Blocks, it is possible to create new blocks and save them in the manner discussed in the Knowledge Base article "Saving Models as Blocks in RFEM 6".
All Dlubal Software programs have access to the printout report environment.
The network-capable Project Manager controls the projects of all Dlubal Software applications in one central location.
In RFEM 5 and RSTAB 8, you can view detailed information on the currently used license and installed dongle driver. In case of any problems with the license, you can send the created text file to the Dlubal Software hotline, which allows us to provide you with a fast and efficient analysis. To create the file, select "Help" → "Authorization" → "Diagnostics".
The Aluminum Design Manual (ADM) 2020 was released in February 2020. The ADM 2020 gives guidance for both the allowable strength design (ASD) and load and resistance factor design (LRFD) for aluminum members to ensure reliability and safety for all aluminum structures. This latest standard was integrated in the RFEM/RSTAB add-on module RF-/ALUMINUM ADM. The text below will highlight the applicable updates relevant to the Dlubal programs.
The network-capable Project Manager controls the projects of all Dlubal Software applications in one central location. The projects are linked to the folders on the hard disk.
Until now, the prestress load type had always been an initial prestress in Dlubal Software programs. The defined load magnitude was applied and, depending on the stiffness of the surrounding system, prestress remained more or less as an axial force in the cable.
"A good tool is half the job done": This proverb could be applied equally to the software industry. The more a program is task-tailored, the more efficiently the tasks can be solved. The variety and complexity of today's problems, especially in structural engineering, require specifically tailored solutions. Creating your own programs by means of textual programming requires in-depth knowledge and a great ability to abstract. Understandably, only very few engineering offices face this challenge. For this reason, there are additional software solutions providing the user with a visual development environment.
Daniel Dlubal's bachelor's thesis focuses on presenting and highlighting the chances, advantages, and opportunities of BIM when performing the structural analysis and design of buildings. The essential information of a structural analysis is shown and the data exchange between the CAD and the structural engineering software is explained in detail as well.
The SHAPE‑THIN stand-alone program determines the characteristic values and stresses of any thin‑walled cross‑sections. Graphic tools and features allow for modeling complex cross‑section shapes. In addition to the graphical input, it is also possible to enter the data in tables. As an alternative, you can import a DXF file and use it as a basis for further modelling. Also, each cross-section can be entered using the cross-section library of Dlubal Software and combined as a part with the user-defined elements.
In the BIM workflow, IFC files are frequently used as the basis for data exchange between CAD and structural engineering software. However, there is a fundamental problem with this approach. This article explains various types of IFC files and provides an overview of the import and export options in Dlubal Software programs.
The product range of Dlubal Software contains various modules for the design of steel and timber connections. The RF-/JOINTS Steel – Column Base add-on module allows you to analyze footings of hinged or restrained steel column bases. The fastener selection, foundation geometry, and material quality are crucial for the cost-effective and safe design of the column base.
BIM is often used when it comes to data management in civil engineering. The individual disciplines of architecture, structural design, construction, and structural monitoring are coming closer together. Building Information Modeling makes this possible.. Dlubal Software provides a wide range of formats for data exchange. The following article explains the details of the interface with Autodesk Revit and, in particular, the export settings.
A structural analysis does not only determine and design internal forces and deformations. It also ensures that the forces and moments in a structure are generated in a reliable way and applied to the foundation. Dlubal Software provides a wide range of products for the structural analysis and design of steel and timber connections. The RF-/JOINTS Steel – Column Base add-on module allows you to design footings of hinged and restrained column bases. The design can be performed for column base plates with or without stiffeners.
The network licenses of Dlubal Software provide a very convenient solution for engineering offices as well as for users who are often on the move. This can be helpful if you are in a consulting meeting with a building owner and want to directly apply the current changes and show the solution immediately. You only need an Internet and a VPN connection in your office to access all your purchased licenses.
When you receive an RFEM or RSTAB file for further processing, the structures will be displayed in the program using the display settings of the last editor. If the settings do not correspond to your requirements, you can simply right‑click the empty area in Project Navigator - Display and select "Dlubal Standard". This returns the settings to the default values.
With RFEM 5.06 and RSTAB 8.06, the examples and help files for programming the COM interface are not only available on the Internet, they are also included in the installation. To find them, look for the "SDK" folder in the project directory (usually C:\Users\Public\Documents\Dlubal).
The network-capable Project Manager controls the projects of all Dlubal Software applications in one central location. A table displays the important information for each model and corresponding file. Now, you can set dimension and weight units in the program options.
In RFEM and RSTAB, there are two predefined unit profiles available by default. These profiles cover the metric and the imperial systems of measurement. You can individually adjust the units predefined by Dlubal Software, including the decimal places used. To avoid losing the changes you have made, you can save a new profile for the units (see Item [1] in the picture). The stored profile can be loaded again (see Item [2] in the picture) or transferred from PC to PC. To do this, simply copy the content of the "Units" folder in the RFEM or RSTAB file directory from one PC to another (see Item [3] in the picture). In this way, you can achieve an office standard regarding the units used in all your workplaces.
Dlubal Software provides students with the complete range of its products free of charge during their studies. The licensing is done by a softlock, taking into account the following.
The integrated project manager helps you to organize design files of Dlubal Software programs. For this, a link is created between an existing project folder on the hard drive and the Project Manager. If you want to delete a project created in the Project Manager, there are two methods.
Dlubal Software Programs provide a materials library. This library covers almost all materials commonly used in civil engineering, including the corresponding parameters for calculation and design.