Structural analysis and design in accordance
with code-defined limit states
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Static structural analysis and design
Depending on the structural system and code provisions for analysis type, we are able to perform:
static linear analysis, geometrically and materially nonlinear analysis with imperfections;
lateral torsional buckling and buckling analysis;
design of structural joints;
dynamic nonlinear stress analysis of structural glass.
At our office, we combine the precision of manual calculations with the advanced capabilities of Finite Element Analysis (FEA) softwares to design structural elements that meet the highest standards of safety and performance. Every design is carefully developed in strict compliance with Eurocode standards and relevant National Annexes, ensuring adherence to both international and local requirements. By leveraging these tools and standards, we deliver optimized, reliable, and cost-effective structural solutions tailored to the specific needs of each project.
Lateral torsional buckling and buckling analysis
At our office, buckling analysis is a core part of our structural engineering services, enabling us to evaluate the stability of elements and systems subjected to compressive stresses. Using advanced analytical methods and software, we determine the critical buckling load, which defines the maximum load a structure can withstand before experiencing instability marked by significant lateral or out-of-plane deformation. This analysis is essential to ensure that our designs remain stable under prescribed loading conditions. It provides a foundation for further refinement and optimization of structures in compliance with the latest code provisions.
We are able to perform buckling analysis for structural models meshed with:
three-dimensional beam finite elements with 6 degrees of freedom (6dof) per node;
three-dimensional beam finite elements with 7 degrees of freedom (7dof) per node;
two-dimensional plate finite elements.
Buckling of portal frame
column due to bending and compression (2d plate FE)
Lateral torsional buckling of portal frame
girder due to bending (2d plate FE)
Buckling of top chord of
a simply supported truss girder (Beam 6dof FE)
Lateral torsional buckling of post of residential
railing under bending (Beam 7dof FE)
Design of structural joints in accordance with code provisions and Finite Element Analysis (FEA) results
Examples of joints
At our office, the design of structural joints is a key area of focus, ensuring that all connections in a structure are both safe and efficient in transferring forces between members. Our team meticulously designs joints to handle various load conditions, including axial, shear, and bending forces, while preventing issues such as excessive deformation, slip, or failure.
We adhere to the latest Eurocode standards and National Annexes, to ensure compliance with safety requirements and limit state criteria. Standards, literature and scientific papers guide our design process, enabling us to meet strength, stiffness, and ductility requirements while addressing both ultimate and serviceability limit states.
To achieve precise and reliable results, we incorporate FEA into our design workflow. By using advanced FEA software, we simulate the behavior of joints under complex loading conditions, capturing stress concentrations, material nonlinearity, and contact interactions. This approach allows us to refine our designs and optimize performance.
Model geometry
Total displacement map
Plastic strain map
The presented above example model illustrates a non-invasive connection between a fall arrest post and the top chord section of a truss. The analysis and design of this type of connection necessitate the incorporation of geometric nonlinearity, nonlinear contact interactions, and nonlinear material behavior into the calculations, as the stresses in the steel exceed the elastic limit and enter the plastic range.
At our office, we rely on FEA as a key tool for tackling complex structural connections. This approach allows us to move away from time-consuming, intricate, and less accurate manual calculations, providing a more efficient solution. For typical connections, particularly those described by Eurocode standards, we still employ manual calculations, allowing us to streamline the design process.
Nonlinear analyses of structural glass
Dynamic analysis of a glass balustrade in accordance with DIN 18008-5 (pendulum impact)
Stress distribution in laminated glass using nonlinear analysis (membrane effect)
Stress distribution in point-supported laminated glass
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