Reinforced Concrete

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DIANA can be relied upon for the accurate analysis of damage development, and failure of reinforced concrete structures, when the different material characteristics of steel and concrete need to be considered precisely.

Empower your vision for sustainable concrete structures

Ultimate strength based on optimized design

Sustainable analysis and design of reinforced concrete structures, in conjunction with the limitations in material sources, such as cement and steel, forces engineers to optimize their design based on the ultimate strength of materials.

High profile structures such as dams and nuclear facilities, place an extreme level of importance on their serviceability state. Infrastructure constructions, such as bridges and high-rise buildings are additionally state-of-the-art with regards to architectural design, whilst still complying with safety and serviceability restrictions.

The complexity and importance of analysis, prediction of service, and possible failure mechanisms provide the argument for a powerful and capable software solution in order to simulate all aspects of materials models, and combinations of a wide range of loading conditions. The extensive features, and analysis capabilities of DIANA ensure that it is outstanding in this field, structures are analyzed, or even used for digital twin simulation, to avoid any interruption in the production of value driven structures, in both cost and safety.

Advancement in prediction of concrete failure mechanisms

Trusted simulation platform for concrete material models.

Accurately analyse the damage development and failure of reinforced concrete structures considering the different material characteristics of steel (i.e. rebar, fiber). DIANA’s reinforced concrete models are based on the exact geometry definition of reinforcements and concrete. It facilitates the explicit description of material failure of the steel reinforcements, the concrete and the bond-slip connection between both.

With DIANA you can perform integral failure analyses of structures, taking into account construction phases and loading history, including heat loadings, stresses from the concrete hardening, soil-structure interaction, dynamic loadings and changing material behavior over time.

At material level, it is possible to consider the heterogeneity of concrete, as well as introducing fiber materials in order to simulate fiber reinforced material models.

Dedicated features for reinforced concrete analysis

Integral failure analysis

  • Embedded reinforcements with grids and bars defined independently from finite element mesh
  • Bond-slip reinforcement
  • Pre and post tensioning
  • Reinforced concrete concept applicable in all element types such as solids, plane stress, plane strain, axi-symmetric, shell and plate elements, beam elements and interface elements.
  • Construction-staged analysis for accurate description of loading history
  • Staggered and fully coupled heat-stress analysis for thermal effects on loading structure
  • Ambient influence on material behavior
  • Young hardening concrete behavior also with cooling
  • Dedicated post-processing of crack patterns


  • Discrete crack with interface elements
    Multi-directional fixed cracking with strain decomposition, with possibility to combine with plastic failure for crushing and temperature creep effects
  • Total-strain crack models with fixed and rotating cracks for tensile and compressive failure, with possibility to combine with temperature and creep effects
  • Creep and shrinkage models according to different international design codes
  • Elasto-plastic models such as Mohr-Coulomb, Drucker-Prager, Rankine
  • Modified Maekawa-Fukuura model for cyclic loading conditions
  • Von-Mises plasticity with hardening for steel reinforcement, and several typical models for cyclic loading
  • User-supplied materials
  • Modified two-surface model for cyclic behavior of steel
  • Menegotto-Pinto, Monti Nuti, and Dodd Restreppo plasticity models for reinforcements

Design of full 3D structures

  • Full 3D modeling capabilities with solid elements, shells and beams
  • Composed elements which allow to calculating cross-section forces and bending moments in reference lines and reference places from compositions of solid and shell elements
    Automatic coupling of different element types
  • Reference to material definitions of international design codes
  • Mobile loading and influence field analysis
  • Easy definition and handling of load combinations and scanning over results from different load cases
  • Design checks of reinforcement grids
  • Linear elastic anisotropic and orthotropic models
  • Nonlinear joints
  • Combination with full range of nonlinear material capabilities possible

Easy assessment of ultimate and serviceability limit states

  • Sequential linear analysis for efficient assessment of limit states
  • Composed elements with solid elements, shells and beams to be combined
  • Automatic coupling of different element types
  • Reference to material definitions of international design codes
  • Full-loading history and range of loading types can be defined
  • Assessment of onset of plastic failure of reinforcement or concrete cracking and crushing
    Stiffness adaption analysis
  • Linear elastic anisotropic and orthotropic models
  • Nonlinear joints
  • Combination with full range of nonlinear material capabilities possible

Licensing packages

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We provide a wide range of flexible licensing modules and subscription plans for advanced calculations. Our Sales Team are always more than happy to discuss your requirements and can make individualized proposals based on your specific needs. 

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