Update history​

CYPE 3D

Maximum limit to view values in the deformed shape

As of the 2019.e version, users can set a displacement limit from which the deformed values are not shown.

That is, the deformed shape of the structure is still represented by the scale factor indicated by users regardless of whether the indicated limit is exceeded or not, only now, all the points that exceed the displacement limit are drawn in black.

To do so, the "Maximum value" option has been included in the "Deformed shape" panel that is represented in the "Deformed shape" dialogue.

This tool helps users to visualize the deformed values, discarding the parts with a displacement value higher than that established by them.

This new feature was implemented in CYPECAD in the 2019.d version.

Consult BIM information

As of the 2019.e version, the applications that are integrated in the Open BIM workflow can consult the BIM information contained in the GLTF format files in the same way as on the BIMserver.center platform.

BIM model views

As of the 2019.e version, the 3D representation in the applications that are integrated in the Open BIM workflow contains the elements of the application itself as well as those contained in the GLTF files exported by the rest of the applications whose IFC files have been linked to the model.

New 3D view system

The 2019.e version includes a new 3D view system in most of its programs: CYPECAD, CYPE 3D and the entire family of applications integrated in the Open BIM workflow. It will be incorporated progressively in other programs.

The properties of the system are:

  • Improvement in the speed with which scenes containing many objects are drawn

  • Dynamic calculation of the rotation pivot of the camera

  • Rotation around a point indicated by users

  • Possibility to define global section planes X, Y or Z

  • Zoom to the object under the cursor in the perspective and orthogonal views



For this viewing system to operate correctly, the applications require a video card that is compatible with OpenGL 3.3 or higher.

Calculation of the differed deflection of concrete beams

As of the 2019.d version, CYPECAD, CYPE 3D and Continuous beams allow users to edit the percentage of live load to be considered as quasi-permanent load to take it into account when calculating the differed deflection. To do so, the “Construction process” panel has been included in the “% Quasi-permanent” field. 

The panel can be accessed as follows:

  • CYPECAD
    In CYPECAD, users can indicate a different live load percentage as quasi-permanent load for each floor group:


    Project > General data > Permanent and live load > “Edit” button of the floor in question.
  • CYPE 3D
    Project > General data > Construction process
  • Vigas continuas
    General data > Construction process

Effects of the vertical seismic component

As of the 2019.a version, CYPECAD and CYPE 3D can take into account the effects of the vertical seismic component by considering them as a percentage of the gravitational effect. Optionally, both programs apply a modification or adjustment coefficient that acts as the sum of the factor of the permanent loads in the seismic force combinations.

This coefficient increases the factor of the permanent loads in seismic combinations for unfavourable gravitational conditions and decreases the factor of the permanent loads for favourable gravitational conditions. In the first case, the gravitational effects are added to the seismic effects. In the latter, the gravitational effects counteract the seismic effects.

Consideration of the effects of the vertical seismic component

In building design, it is usual to calculate a structure to against the horizontal action of the earthquake and neglect the effects of the vertical component. However, in certain cases, it is advisable to consider these effects in the design.

CYPECAD and CYPE 3D apply an alternative procedure to the specification of spectra to consider the vertical seismic action, including its effects in seismic combinations by increasing the effect of the permanent load. This increase takes positive and negative values, due to the reversibility of the seismic action, and increases and decreases the gravitational effects in the combination. By doing so, the effects of vertical movement of the floor in buildings are simulated, such as:

  • The variance of the axial force in elements that resist vertical loads.
  • The variance in the localised deformation at the top of columns and the deflection at floor slab mid-spans.
  • The variance of the total vertical shear force that is transferred between floor slabs and columns.

CYPECAD and CYPE 3D propose a simple calculation for this modification coefficient, which provides a value that adapts to what is established in the standards and that is a function of the seismicity of the site that has been selected by the user. Some codes call it "vertical seismic pseudo-acceleration", but it does not represent the total vertical response, only the part that is combined with the horizontal response and the effects of gravity. The data proposed by the program can be modified by users, since different situations to those usually contemplated by the standards may arise.

In the section of the seismic data dialogue where users can activate whether or not the effects of the vertical seismic component are to be considered, there is a help button where more information on the calculation of the "vertical seismic pseudo-acceleration" coefficient can be found.

Steel library for user-defined sections

In the 2019.a version of CYPECAD and CYPE 3D, users can now define steels for which they can indicate their elastic limit. The modulus of elasticity, thermal expansion coefficient, density and Poisson's ratio are defined internally by the program using the values of the steel. For U.L.S. checklists, the type of steel that is used can be seen.

As well as the elastic limit and depending on the selected code, additional data may be required to design connections.

The user steel library can be accessed from General Data. Rolled or cold-formed steel can be assigned to the sections as can steels that are established by each standard.

User-defined steels can be exported to the library to be used in other projects. They can also be selected as initial steels for the creation of new projects. The library is common to CYPECAD and CYPE 3D.

  • In CYPECAD:
  • In CYPE 3D

New types of steel for the AISI S100:2007 cold-formed steel code

The following types of steel have been incorporated to the AISI S100-2007 cold-formed steel code: F-20, F-22, F-24, F-26, F-30 and F-36 (of common use in Argentina).

Compatibility of the NTC 2017 (Mexico City) concrete code with the CF 2015 and CF 2008 earthquake codes of Mexico

As of the 2018.k version, if the selected concrete code is the “NTC 2017 (Mexico City)” code, the following earthquake codes of Mexico can be selected (as well as the NTC 2017 itself):

  • CFE 2015
    Manual de Diseño de Obras Civiles. Diseño por Sismo. Sección C: Estructuras. Tema 1: Criterios generals de análisis y diseño. Mexico 2015.
  • CFE 2008
    Manual de Diseño de Obras Civiles. Diseño por Sismo.

Code implementation. NTC: 2017 (Mexico City)

Normas Técnicas Complementarias. Diseño por Sismo (2017).

Implemented in CYPECAD and CYPE 3D.

Code implementation. NTC: 2017 (Mexico City)

Normas Técnicas Complementarias. Diseño y Construcción de Estructuras de Concreto (2017).

Implemented in CYPECAD, CYPE 3D and StruBIM Deep Beams.

New types of cold-formed steel for the EAE 2011 code and Eurocodes 3 and 4

The following new types of cold-formed steel have been added for the EAE 2011 code (Spain) and Eurocodes 3 and 4 (EU):

  • DX 51 D+Z
  • DX 52 D+Z
  • DX 53 D+Z
  • HX 260 LAD
  • HX 300 LAD
  • HX 340 LAD
  • HX 380 LAD
  • HX 420 LAD

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