Extension Modules
The following extended modules are available to expand the basic modules:
General
This module complements the existing ULS checks of the basic packages and performs the following checks for the serviceability limit state according to DIN 1045-1, OENORM B 4750, SIA 262 and EN 1992-1-1:
- Minimum reinforcement for crack width limitation
- Limiting the crack width via direct calculation
- Limiting the concrete compressive stresses
- Limiting the reinforcing steel stresses
The design forces are determined automatically according to the requirement class:
- Characteristic, frequent and quasi-continuous action combination
- Design situations for the construction and final states
Graphical representation of the calculated reinforcements and stresses of all action combinations and situations. Output of a detailed check log.
Check against buckling and lateral torsional buckling according to DIN 18800 and EN 1993-1-1 in accordance with the equivalent beam method.
- Application for single- and double-symmetric I and U profiles
- Profile selection via cross-section library
- Alternative definition of customized cross-sections
- Consideration of load eccentricities and elastic rotational bedding
Output of a detailed check log with graphical plot of the calculated utilizations.
Extension Module for the 3D FEM Calculation
This module provides two methods for the examination of stability problems:
- Calculation of combined structures in accordance with the second- or third-order theory (equilibrium of the deformed system, small or large deformation)
- Determination of buckling eigenmodes including the corresponding load factors
These features offer the examination of stability problems such as tilting, buckling and lateral torsional buckling for beam, shell and solid structures.
In particular, the graphical representation of the buckling eigenmodes allow to estimate the stability behavior of complex structures easily.
Extension Module for the 3D FEM Calculation
Calculation of solid models with finite solid elements.
- 8- and 10-node elements
- Construction with model objects
- Automatic tetrahedral mesh generator
- Nonlinear supports and bedding
- Contact
Graphical and interactive input of solid models, graphical display of the calculated deformations and stresses, integration of stresses with design objects.
Determination of the internal force and deformation values for reinforced and prestressed concrete as well as steel with allowance for physical nonlinearities (state 2 resp. plasticity).
- Reinforced and prestressed concrete with stress-strain-curve according to DIN 1045-1, OENORM B 4700, SIA 262 and EN 1992-1-1
- Effect of concrete on tension between cracks
- Ultimate limit state
- Check with allowance for existing reinforcement
- Serviceability limit state
- Deformations with allowance for existing reinforcement
- Consideration of long-time deformations as result of concrete creep ans shrinkage
- Steel with bilinear stress-strain-curve under consideration of the Huber - von Mises yield criterion and interaction with all internal forces
- Bilinear stress-strain curve and separately definable compressive and tensile strength (yield criterium according to Raghava, Rankine, Drucker-Prager and Lubliner)
- Damage models according Mazars and De Vree and elasto-plastic damage (Lubliner, Lee & Fenves)
- Mohr-Coulomb material for the calculation of soil models
- Calculations in the supercritical range using the arc length method
- Calculation of load-displacement curves
- Bedding with bilinear bedding curve
- Automatic reinforcement increase during ultimate limit state check for frameworks
Graphical display of internal forces, strains and stresses on the upper and lower sides as well as maximum comparison stresses of the elements.
BIM add-in for Autodesk® Revit®
With this add-in, the analytical model of an Autodesk® Revit® project can be exported directly or per exchange file to InfoCAD.
- Export of the complete or a selected subsystem
- Incl. Loads, bearings etc.
- Updating an existing FEM system
Further processing of the static system in InfoCAD. Subsequent changes in the Revit® calculation model can be imported.
The method is used to check reinforced concrete columns under biaxial stress.
- Check of columns within an existing structural system
- Design according to the method of nominal curvatures with double bending
- Integrated check for design in fire scenarios according to the zone method
Graphical presentation of the results for the total system, detailed logging.
The timber checks are applicable for the design of buildings and engineering constructions under standard temperature and fire conditions according to DIN 1052 and EN 1995.
- Ulimate limit state checks for cross-sections of beams
- Buckling check in accordance with the equivalent beam method
- Structural fire design with reduced cross-sections (EN 1995)
- Checks for the deflections of beams
The design forces are determined automatically considering the modification coefficient kmod for all decisive design situations:
- Permanent and temporary, accidental action combination
- Design situations for fire scenarios
Graphical representation of the calculated stresses and utilizations for all action combinations and situations. Output of a detailed check log.
Extension Module for the 3D FEM Calculation
This supplementary module allows the calculation of cable structures according to the theory of large displacements. Cable elements can be combined with beam, area and solid elements.
- Cable elements according to the theory of large displacements
- Quadratic isoparametric approach for geometry and displacement
- Choice of calculation method with or without cable prestress
In combination with the Dynamics extension module, problems of nonlinear cable dynamics can be examined additionally.
Extension Module for the 3D FEM Calculation
For large structural systems and time-consuming calculations, this extension module provides three powerful algorithms:
- Parallel Sparse Solver
- Equation solver with substructure technique
- Iterative equation solver
The Parallel Sparse Solver is a highly efficient direct solver for sparse systems of equations and uses through parallelization the speed advantage of the multi-processor technology based on the Intel® Math Kernel Library. The substructure technique uses likewise the direct solution method and is optimized for specific structural geometries. The iterative solver finally is characterized by a particularly economical memory usage.
Dynamic analysis of 2D and 3D beam and shell structures, solid models and cable structures.
- Determination of eigenvalues and eigenvectors under consideration of point and multi-point mass distributions
- Mass distribution from load cases
- Periodic and transient load functions
- Time step integration with determination of all system reactions
- Direct integration with consideration of point dampers
- Response spectrum according to DIN 4149, OENORM B 4015, SIA 261 and
EN 1998-1 - User-defined response spectra
- Dynamic train crossing with freely selectable tracks
- Dynamic collapse analysis
Interactive, graphical definition of point masses,graphical rendering of load functions, speeds,accelerations, deformations and internal forces in a given time interval.
Analysis of 2D and 3D beam and shell structures with steel, reinforced concrete, timber and composite sections in accordance with EN 1992-1-2, EN 1993-1-2, ENV 1994-1-2 and EN 1995-1-2.
- Any kind of section geometry
- Steel, reinforced concrete, timber and free materials (e.g., insulation) within a section
- Predefined and user-defined thermal material properties
- Standard temperature-time curve, hydrocarbon fire curve
- User-defined fire curves
- Calculation of the temperature profile in the section via nonlinear time-step integration
- Consideration of different fire scenarios
- Temperature-dependent thermal strains and stress-strain curves
- Nonlinear time-step calculation of the structure based on the general calculation method
Thermal analysis for solid structures.
- Stationary and instationary thermal analysis
- Time-dependent heat source
- Stress analysis with the calculated temperature distributions
Graphical display of the time-dependent temperature distributions, deformations, internal forces and support reactions.
Bridge Construction
Calculation of prestressed beam, shell and solid element structures according to DIN 1045-1, OENORM B 4750, SIA 262 and EN 1992-1-1.
- Element-independent 3D tendon guide
- Consideration of over-stressing reserve through using the Kappa allowance according to DAfStb (German Committee of Reinforced Concrete) Book 525, DIN Technical Report 102 and DIN EN 1992-1-1
- Load processing using cubical spline functions
- Consideration of creep and shrinkage at the composite section
- Checks at the ultimate limit state
- Minimum reinforcement for ensuring robustness
- Bending with or without longitudinal force or longit. force alone
- Lateral force under consideration of minimum reinforcement
- Pure torsion and torsion with lateral force
- Checks against fatigue
- Bending reinforcement and prestressing steel
- Shear and torsional reinforcement
- Concrete under logitudinal compressive stress
- Concrete compressive struts under lateral force and torsion
- Checks at the serviceability limit state
- Minimum reinforcement for limiting crack width
- Limiting crack width through direct calculation
- Check of the decompression
- Limiting the concrete compressive stress
- Limiting the reinforced concrete stresses
- Limiting the prestressing steel stresses
Graphical and interactive input of tendon geometry with visual control of the prestress distribution, graphical display of the calculated reinforcements and stresses of all action combinations and situations. Output of a detailed check log.
This module performs the verifications for beam, surface and volume structures in accordance with the recalculation guidelines for road bridges in the April 2015 version. Components without prestressing as well as prestressed components with subsequent bonding, without bonding, with external prestressing and in mixed construction can be analyzed.
- Recalculation based on DIN Technical Report 102 or DIN EN 1992-2 in verification level 1 or 2
- Consideration of any loads and load positions
- Support of target load levels LM1, LMM, BK 60/30, BK 60, BK 30/30
- Automatic combination of actions-
- Construction and end states for all action combinations
- Optional user-defined action
- Verifications in the ultimate limit state
- Minimum reinforcement to ensure robustness
- Bending with or without longitudinal force and longitudinal force alone
- Shear force taking into account the minimum reinforcement ratio
- Pure torsion and torsion with shear force, Inclusion of tendons in the longitudinal torsional reinforcement
- Verification of the shear load-bearing capacity according to the principal stress criterion
- Verification of the principal compressive stresses for box cross-sections
- Verification of the load that can be absorbed
- Verification of the degree of utilization of the existing reinforcement
- Checks against fatigue
- Longitudinal reinforcement and prestressing steel
- Shear force and torsion reinforcement
- Shear force based on the main [tensile] stress criterion
- Concrete under longitudinal compressive stress
- Concrete compression struts under shear force and torsion
- Verifications in the serviceability limit state
- Minimum reinforcement for limiting the crack width
- Limitation of crack width by direct calculation
- Verification of decompression
- Limitation of concrete compressive stresses
- Limitation of reinforcing steel stresses
- Limitation of prestressing steel stresses
- Verification of inclined main tensile stresses
Graphical processing of the initial reinforcement, graphical representation of the calculated reinforcements, stresses and utilization of all action combinations and situations. Output of a detailed verification report.
This module performs checks for beam structures, shell structures and design objects as defined in EN 1991-2 and EN 1992-2 as well as DIN Technical Reports 101 and 102. Elements with no prestress as well as prestressed elements with subsequent bond, without bond, with external prestressing and in mixed construction can be analyzed. For steel components, the checks acc. DIN EN 1993-2 are available.
- Consideration of any stresses and loading
- Special preparation of the load model LM 1
- Automatic combination of actions
- Construction and final states for all action combinations
- Optionally user-defined actions
- Checks at the ultimate limit state
- Minimum reinforcement for ensuring robustness
- Bending with or without longitudinal force or longit. force alone
- Lateral force under consideration of minimum reinforcement
- Pure torsion and torsion with lateral force
- Check of the shear joint
- Design of composite sections
- Checks against fatigue
- Bending reinforcement and prestressing steel
- Shear and torsional reinforcement
- Concrete under logitudinal compressive stress
- Concrete compressive struts under lateral force and torsion
- Checks at the serviceability limit state
- Minimum reinforcement for the crack width limitation
- Limiting the crack width through direct calculation
- Check of the decompression- Limiting the concrete compressive stress
- Limiting the reinforced concrete stresses
- Limiting the prestressing steel stresses
- Check of the diagonal principal tensile stresses
- Checks for steel components
- Resistance of cross-sections, elastic and plastic
- Fatigue of longitudinal and shear stresses
- Limitation of deformations
Graphical display of the calculated reinforcements and stresses of all action combinations and situations. Output of a detailed check log.
This module allows the recalculation of road bridges in verification level 4 on the basis of the Modified Compression Field Theory (MCFT). The general design method for prestressed structures according to chapter 11.3 of the Canadian standard CSA A23.3-14 is used.
- Verification of the required reinforcement for shear force, torsion and combined loading
- Inclusion of prestressing steel in the longitudinal torsional reinforcement in accordance with the recalculation guideline
- Calculation of the absorbable shear forces and torsional moments
- Determination of the utilization of the existing reinforcement
Output of a detailed verification report, graphical representation of the calculated reinforcements, resistances and utilizations.