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Frequently Asked Questions (FAQ)
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Free rectangular loads have - compared with the ‘normal’ surface load - one disadvantage that the load graphically does not get a 'cover' and thus the load distribution is not clearly recognizable in the graphic printout.
It is possible to get by using Displaying Load Distribution in the Project Navigator - Results: This will make the 2D FE elements graphically colored, and the corresponding values will be output in the adjacent color panel.
The projection plane and the load direction are different parameters and independent of each other.
While the load direction represents the actual direction of the acting load, the projection plane, together with the corresponding coordinates of the load position, describes the plane from which the load's position is projected onto the loaded surfaces.
The graphic to the right in the "Edit Free Rectangular Load" dialog box is used for information purposes, see Figure 1.
Yes, that is possible. How to create a model of such a component with quadrangle surfaces is shown in the video of the FAQ step by step.
AnswerThis is not possible by default. The load has to be divided into the y- and z-components. Both act simultaniously.
AnswerA free rectangular load can be applied to a freely definable area of a surface. To draw a free rectangular load, select the menu Insert -> Load -> Free Rectangular loads can be inserted via the corresponding toolbar button or via the table.
The problem with the internal forces graphic is due to member divisions. There are several divisions to be observed in RSTAB.
1. Member divisions for results tables
You can create member divisions for result values by using "Insert> Model Data> "Member divisions". This division ensures that z. For example, in RFEM table 4.1, you can also output the internal forces of members to intermediate points. The graphical output remains unchanged.
2. Member divisions for graphical representation
The divisions for the graphical result diagram and determination of the determination of extreme values can be viewed and influenced in the calculation parameters (pull-down menu "Calculation") (see Figure 1).
If you set the value for "Result diagrams" to a larger value, the internal forces graphic is displayed more finely (see Figure 2).
This division into the calculation parameters is considered globally. It is based on the longest member. Therefore, shorter members do not have the same number of divisions, but have similar partial sections.
Therefore, to improve the graphic, it is recommended to apply a finer division of the members (item 2).
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Wind Simulation & Wind Load Generation
With the stand-alone program RWIND Simulation, wind flows around simple or complex structures can be simulated 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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