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CYPE 3D

As of version 2024.f of CYPE 3D, users can define buckling analysis groups to independently analyse the buckling behaviour of different sets of elements in the structure.

Groups are defined using the "Analysis groups" option in the "Buckling analysis" menu and are based on the layers defined and assigned to the different elements of the structure using the "Assign elements to layers" option in the "Tools" menu. You can consult this version's new feature, Layer management, which describes the improvements implemented in assigning layers to elements since they allow the use of layers as a previous step to define buckling analysis groups.

In the buckling analysis of each of the groups, all the elements marked with the "Consider in buckling analysis" option (Bar menu > "Buckling" option) and which also have one of the layers selected in the definition of the group assigned to them will be considered.

The consideration of groups for the analysis is optional. If no group is entered, the program will perform a single analysis considering all the bars and plates marked with the "Consider in buckling analysis" option. If a bar belongs to more than one group and an automatic assignment of its buckling coefficient in the xy, xz or both planes is carried out, it will be assigned the highest of all the coefficients analysed in the buckling analyses of the groups to which it belongs.

The buckling analysis results are displayed for the selected analysis group.

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  • 2024.f

Up until version 2024.f each element, panel or shell could be assigned to a single layer. As of version 2024.f each element can belong to several layers.

The tools for assigning parts, panels and shells to layers are unified in "Assign elements to layers". This tool allows you to select the type of operation and the display layers. The available operations are the following:

  • Assign
    Adds the selected layers to the elements.

  • Replace
    Replaces the previously assigned layers with the newly selected layers.

  • Delete
    Deletes the selected layer from the previous assignment of each layer.

In layer management, the "Only draw the elements that intervene in the buckling analysis" option is included.

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  • 2024.f

As of version 2024.f, CYPE 3D has a new module that allows plastic hinges to be inserted in bars.

Considering plastic hinges in the design of a structure requires a non-linear analysis using the OpenSees analysis engine. Therefore, users must have permission to use this analysis engine in their license, together with the "Plastic hinges" module.

Using the new "Plastic hinges" option in the "Bar" menu, the relative position of the plastic hinges and their properties can be defined, as well as the rotational degrees of freedom in which they act.

The data required to define the behaviour of a plastic hinge at a given rotational degree of freedom are the plastic moment and the slope in the plastic section. The degrees of freedom are expressed in the local axes of the bar.

The properties of the hinge can be selected from those previously defined in the "Plastic hinge library" in the "Project" menu or entered directly in the plastic hinge definition panel.

The program can automatically analyse the value of the plastic moment for steel sections with a defined plastic modulus. In all other cases, this value can be defined manually.

In the forces view, the plastic hinges that have reached the plastic moment in the selected combination are highlighted by an increase in size and a colour change.

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  • 2024.f

As of version 2024.f, plastic hinges can now be inserted into bars.

Using the new "Plastic hinges" option in the "Bar" menu, the relative position of the plastic hinges and their properties can be defined, as well as the rotational degrees of freedom in which they act.

Considering plastic hinges in the design of a structure requires a non-linear analysis using the OpenSees analysis engine. Therefore, users must have permission to use this analysis engine in their license, together with the "Plastic hinges" module.

More information on this CYPE 3D module can be found in the "Plastic hinges (new module)" new feature.

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  • 2024.f

Up to version 2024.e, the import of CYPE 3D structures into StruBIM Steel or CYPE Connect was carried out from an IFC generated by CYPE 3D.

With this improvement in version 2024.f, this communication will be carried out by exporting and importing an exchange file in JSON format, which will allow more efficient communication and accurately reflect the specific features of a CYPE 3D structure.

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  • 2024.f

As of version 2024.f, the CYPE Menu tool (available on the BIMserver.centre platform Store) allows users to manage the updates of the applications it includes.

When accessing the CYPE Menu, the program checks whether there is a newer version of the installed applications and, if so, the "Update" option appears next to them.

The update process will download the application and, once completed, will start the installation.

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  • 2024.f

As of version 2024.e, users can now select whether the elements of each layer are snappable or non-snappable.

In "Layer management" the "Snappable" column has been added.

When this option is unchecked in any layer, the elements belonging to that layer cannot be snapped.

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  • 2024.e

Up until version 2024.e, when buckling coefficients were assigned, bars that did not participate in any buckling mode were assigned a buckling coefficient equal to zero.

As of version 2024.e a warning will be displayed, after the buckling coefficient assignment process, and the buckling coefficients of the bars that do not have a participation percentage higher than the minimum percentage in all analysed modes will not be updated.

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  • 2024.e

As of version 2024.e, users can now analyse the buckling behaviour of shells. To do this, the "Buckling" option has been included in the "Shells" menu.

With this option, the shells to be considered in the linear buckling analysis can be marked.

Also, in the "Buckling analysis" menu, the "Buckling contour plots of the active window" option has been added.

Once the buckling analysis has been carried out, this option allows users to view the contour plots of the deformed shape in the different modes.

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  • 2024.e

Version 2024.e implements the export of the rotational stiffnesses of the connections in CYPE Connect and StruBIM Steel. The import of rotational stiffnesses is also implemented in CYPE 3D.

This improvement allows the rotational stiffness of connections analysed in CYPE Connect or StruBIM Steel to be considered in the original CYPE 3D structure.

The export occurs when there are connections with analysed rotational stiffness and is exported to BIMserver.center.

In CYPE 3D, the corresponding contribution must be imported from the menu "BIMserver.center > Consult", activating the "Update the rotational stiffness of the element ends" option.

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  • 2024.e

Up until version 2024.e, the eccentricities defined in bars from "Bar > Describe disposition" always affected the design model.

As of version 2024.e, users can now choose whether or not to take eccentricities into account in the analysis.

When the option is not activated in a bar, this bar is considered to be centred in the design model.

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  • 2024.e

CYPE apps have keyboard shortcuts common to all programs. In versions before 2024.e, each program displayed the keyboard shortcuts for each app via the "Search and activation of commands and options" in the top left-hand corner of the programs.

As of version 2024.e, the "Shortcuts for all applications" tab has been implemented in the dialogue box displayed when selecting this option and it shows all the keyboard shortcuts common to CYPE apps.

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  • 2024.e