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RDI Projects

 

Methodology for the dynamic analysis of buildings exposed to seismic action, incorporating the effect of non-structural elements and design of the software tool with BIM model

Methodology for the dynamic analysis of buildings exposed to seismic action, incorporating the effect of non-structural elements and design of the software tool with BIM model

Methodology for the dynamic analysis of buildings exposed to seismic action, incorporating the effect of non-structural elements and design of the software tool with BIM model

This RDI project is currently under development. Its aim consists in the development of a dynamic analysis method for buildings exposed to seismic action, which includes the effect of the construction elements used in the walls and partitions of the building, and their implementation in a software design and analysis tool that satisfies the productivity and safety criteria required for the structural project of the building. Therefore, the computation period will remain within an admissible range for its use by architects and engineers.

This project is currently being developed by CYPE, with the collaboration of the 'Centro de Métodos Numéricos en Ingeniería' (CIMNE) of the 'Universidad Politécnica de Cataluña' (UPC), financed by the 'Centro para el Desarollo Tecnológico Industrial' (CDTI) and co-financed by the European Regional Development Fund (ERDF).
The tool will include:

  • The possibility of considering different seismic standards, national and international, with the corresponding choice of parameters for generating the seismic design spectrum to be applied.
  • Automatic generation of the dynamic model of the structure, including the effect of non-structural elements (walls and partitions) and the possibility of considering various behaviour models for the building corresponding to different situations or states of the walls and partitions.
  • Modal spectral analysis of the generated models: static and dynamic condensation, calculation of modes and natural vibration frequencies (eigenvectors and eigenvalues), modal expansion and obtaining of participation coefficients for the different analysis directions.
  • Generation of complete justification reports of the calculation method used, verifying that all the international and national seismic code criteria are met.
  • A data entry interface allowing data import from the BIM model to the analysis tool.
  • Consideration of the different reinforcement requirements and arrangements for the structural elements, depending on the ductility criteria assigned to them, such as the reinforcement of critical areas.
  • Incorporation of capacity design in the seismic analysis, a requirement which is contemplated in most design standards. The program will carry out previous checks in columns, beams, and nodal zones to ensure plastification will occur at a point in the structure corresponding to global ductile failure mechanisms.
  • Check of the minimum seismic shear at the base of the structure, to control that the maximum dynamic base shear (combination of the modal shears) is greater than or equal to a certain percentage, specified by the code, of the corresponding static base shear.
  • Implementation of calculation method for the forces corresponding to the modal combinations.

There are currently no software tools on the  market for the structural analysis of buildings which integrate the possibility to consider, in a simple manner, the walls and partitions, even though it has been shown they have a direct impact on the stability, rigidity and safety of the building during an earthquake.  Given that the software tool of this RDI project will integrate them, keeping its computation period within a reasonable time, its use in building projects will increase their quality and the safety of their occupants, avoiding both material and human loss after an earthquake. 

Universidad Politécnica de Cataluña (UPC)Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE)

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Design and development of models for the analysis and design of geothermal exchange and active glazing for sustainable buildings (Geoglass Energy).Design and development of models for the analysis and design of geothermal exchange and active glazing for sustainable buildings (Geoglass Energy)

This RDI project is currently under development. Its final aim consists in aiding architects and engineers to incorporate geothermal exchange technology and non-stationary and passive models of active glazing in their projects, with more confidence.

To do this, procedures will be designed, developed and validated experimentally in this RDI project, so to obtain a tool that is capable of designing and elaborating parametric studies of geothermal systems and active glazing in a simple and effective way, and within a reasonable period of time; bearing in mind it must all be in accordance with the code in force.

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Development of a general calculation methodology to analyse D regions and its application to foundation pile cap analysis software.

 

Development of a general calculation methodology to analyse D regions and its application to foundation pile cap analysis software.

Development of a general calculation methodology to analyse D regions and its application to foundation pile cap analysis software

Strut3D is a software tool resulting from the RDI project developed by CYPE with the collaboration of the 'Instituto de Ciencia y Tecnología del Hormigón' (ICITECH) of the 'Universidad Politécnica de Valencia' (UPV), financed by the 'Centro para el Desarrollo Tecnológico Industrial (CDTI) and co-financed by the European Regional Development Fund (ERDF).

Strut3D checks (in CYPECAD, CYPE 3D and Foundation elements) foundation pile caps using a general calculation method in which the D regions of the reinforced concrete are analysed using a strut and tie model, in order to guarantee the structural requirements are met in accordance with the standards. The strut and tie model used has been previously validated by a linear finite element analysis.

Additionally, Strut3D provides a graphical output of the results, allowing users to consult them on screen and in the detailed verification reports, which indicate whether or not they comply with the standards. The information provided is of great importance, as it is this information which will be used by the project designer when deciding on and justifying the design.

This RDI project is foreseen for international use. Strut3D currently only considers the Spanish EHE-08 concrete design code. More concrete design codes, including the Eurocodes, will be implemented in upcoming program updates.

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Dynamic Fire Simulation using “FDS”Dynamic Fire Simulation using “FDS”

In this project, CYPE has developed the “Dynamic fire simulation” program, which carries out dynamic simulations of the evolution of fire in buildings using the FDS (Fire Dynamics Simulator) analysis motor and the graphics viewer Smokeview (SMV).

 

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BALI Singular Strategic Project (Building Acoustics for Living) “Acoustically Efficient and Healthy Systems and Buildings”BALI Singular Strategic Project (Building Acoustics for Living) “Acoustically Efficient and Healthy Systems and Buildings”

The BALI SSP is a project developed by a multidisciplinary consortium of industrial companies and research centres. By participating, CYPE has provided its acoustic calculation software for buildings to develop a software tool that is capable of integrating innovative construction and acoustically efficient solutions resulting from the BALI SSP investigation, making them accessible to the designer and adequately characterising them for proper use and analysis in the building services program of the building.

 

 

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Numerical analysis of linear thermal bridgesNumerical analysis of linear thermal bridges

CYPE, in collaboration with the “Universidad de Miguel Hernández” in Elche (Alicante), for this project, has developed a software tool that integrates the numerical analysis of thermal bridges in the energy demand calculation of buildings.

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