Service-Pack 2025-3#

SOFiSTiK Structural Desktop#

IFC/SAF Data Exchange#

Bugfix

SAF - Structural Analysis Format

  • Fixed incorrect length of the segment type “Circular Arc” in the “StructuralCurveMember” worksheet.

  • Internal forces of the truss elements, were not transferred correctly when exporting from SOFiSTiK to IDEA StatiCa Checkbot due missing section at start of truss elements. (232693)

  • The numerical conversion between units in “CompositeShapeDef” worksheet for the polygon contours has been improved. For example: in previous versions of FEA 2025 the polygon contour 0.1588 m was exported as 158.79999999999998 mm.

Cross Sections and Materials#

General

  • A warning is issued if changed weight of cable material is not used for the cable dead weight. (232522)

  • The default for cable materials is “Spiral strand rope”. (232524)

  • The input TMAX of the reinforcement is used as bar diameter for the calculation of the default of the dynamic allowance acc. to EN + NA’s for fatigue check. (231165)

  • Solid sections using material definitions with MATE / MAT have now the default for the calculations as FEM sections.

Feature

  • For cross section interpolation a new warning occurs if a structural line is not assigned to an axis. (233274)

  • More clear warning message for changing the layer type. (233226)

  • More clear error message for wrong TVAR names. (233254)

Bugfix

  • More precise calculation of torsional equivalent area.

  • Dialog for standard sections cables: As input for the cable factors are only values <0 til 1 are possible.

  • Correction for concrete materials of American standard ACI and Canadian standard CSA: Wrong behaviour during input without self weight.

  • Sometimes the check for the circumferential sense of polygons was incorrect if consecutive tangent points existed.

  • Improvement in processing of manually modified and defined stress-strain curves of materials.

Moving Load Train Analysis#

Feature

  • The SSD Task Moving Load Train Analysis provides the option to add critical speeds for the analysis. These critical speeds are calculated automatically based on the eigenfrequencies of the structure and the properties of the selected load train.

Earthquake RSA#

Bugfix

  • The redundant parameter “Soil Class” has been removed from the Expert Settings of the Earthquake RSA task when using the IBC/UBC spectrum. Additionally, the response spectrum table in the report has been improved for the previously mentioned spectra. (232973)

Plastic Hinges & Performance Categories#

Bugfix

  • Prevent a crash when opening the Plastic Hinge task without a valid cross section available.

Combinations and Superpositions#

General

  • MAXIMA: Possibility of CTRL INIT - deletion of combination rules is marked as obsolete and will be obsolete in version 2026. Please use the possibilites of ‘Clean database’ in TEDDY / SSD.

Shear Wall Design#

Bugfix

  • Text Output written by SSD Task Shear Wall Design did not include the OPT CTM/FLEX argument to differentiate between Compression and Tension Method and Generel Design Method, so all designs were performed according to the default method.

Design of Concrete Beams#

Feature

  • Module BEAM offers now the possibility to design beams with different cross sections per span.

  • COMB LC ALL can be used to select all available load case combinations.

Bugfix

  • Add error message when a design element without a cross section is selected for design with module BEAM.

Design Checks for Composite Cross Sections#

Feature

  • For the checks for the control of crack widths a summary has been added in the report.

  • It is now possible to select specific load cases, when requesting a detailed output at selected sections.

Bugfix

  • In some systems where the steel part of bridge girder(s) are constructed in several parts, there appeared problems in the calculation of the elastic stresses. This has been corrected. (232516)

Life Cycle Assessment (LCA)#

Feature

  • In default the GWP values for concrete and reinforcement are now choosen according to ÖKOBAUDAT EN 15804+A2.

  • Excel Export of LCA results:

    • New feature for choosing (SOFiSTiK or user-defined) templates for Excel export.

    • The SOFiSTiK templates have been exceeded with a dynamic overview diagram.

Interactive Pre- and Postprocessors#

Calculation Control Center#

Feature

  • It has been enhanced that the execute_wps_small Calculation program displays the current calculation time in the “Time” column while the FEA module is running. In previous versions, the calculation time of a module was only displayed after the module calculation had been finished. (230031)

Viewer#

Interactive System Visualization Tool

General

  • Various performance and stability improvements.

  • Reduced the number of automatic updates.

Feature

  • Enhanced rendering of deformed beams: Local rotations and hinges are now accurately considered.

  • Beam inner sections are now rendered with dashed lines.

  • Incremental launching and node offsets are fully supported.

Bugfix

  • Fixed incorrect coloring of deformed beams when using beam local displacements.

  • Resolved rendering issues for oriented node supports of types KL/KQ.

  • Fixed an issue preventing changes to tendon colors.

  • Corrected the orientation of locally defined line supports aligned with the gravity direction.

Result Viewer#

Graphical and Tabular Post-Processing

Feature

  • Lever arm of internal beam forces is available. (232883)

Bugfix

  • Sometimes cdbase locks remained after the calculation of the cross-sectional stresses.

  • Input ALL in LC has been fixed for entities containing results with different selection types.

Graphic#

Graphical Representation of FE Structures and Results

Feature

  • New result available: Equivalent stress weld acc. EN 1993-1-8, 4.5.3.2 along cuts. (233155)

Bugfix

  • The reference of a load distribution area to a structural area could lead to a crash.

  • The QUAD cuts read from the database were sometimes not correctly assigned to their groups. (232172)

  • The QUAD cuts read from the database displayed incorrect group numbers.

  • Local directions of dissected structural lines corrected for loads and edges. (232510)

  • Non-measurable reinforcement values (QUAD multilayer) were not intercepted. (233303)

  • Minimum values of a range with the same sign were not displayed. (232701)

  • Sometimes incorrect material type descriptions were displayed.

  • Incorrect support symbols for kinematic constraints KQ and KL were displayed.

  • The selection of numbers was not used as default for the filling colours.

  • Equivalent stress weld of QUAD nodes did not worked correctly.

FEA Modules for Batch Processing#

SOFiMSHC#

Geometric Modelling

Feature

  • Introduced special kinematic couplings of displacements without lever arm for structural lines (SLNS FIX KPX0, KPY0, KPZ0). Respectively for edge releases (hinges) between structural areas (SARB FIX MM0).

Bugfix

  • Fixed assignment of elements, generated on structural lines, to secondary groups, when the requested element type is automatically adjusted. (233418)

  • Improvements in sorting of sublines of a master structural line. (233166)

  • Prevent springs without stiffness properties from being stored in database.

  • Fixed processing of literals for selecting type of couplings between structural lines.

SOFiMSHA#

Import and Export of Finite Elements

Bugfix

  • Fixed a rare case of a warning treated as an error. (233043)

DECREATOR#

Generation of Design Elements

General

  • Detailed explanation of force reference options (FREF) is clarified in the user manual. (232739)

  • Automatic assignment of cross-section IDs at design section from intersected beam elements now applies only when only beam selection is set (DSEL BEAM).

Bugfix

  • Tendon intersection is improved to be independent of alignments relative to quad elements. (231252, 233218)

  • Sectional plot of intersected beam elements and the design cross section is improved. (228091)

SOFiLOAD#

Loads and Load Functions

Bugfix

  • For the case of a subdivided structural line subjected to a free line load in local direction, the orientation of the resulting nodal loads has been corrected. (232510)

  • For the case of a free line load in local direction without user-specified structural line number, the coordinate system of each affected line is used to orient the resulting nodal loads. (232491)

  • When copying loads from load trains in systems with curved lanes and skew placements, there were deviations of the loaded area from the lane geometry. This has been fixed.

  • Correction of the soil parameter S for the soil class B-S acc. DIN EN 1998-1/NA:2023-11.(233829)

ASE#

General Structural Analysis of FE Structures

Bugfix

  • Print of activated mass with torsion corrected.

  • Vertical cable with LEN0 : force reactivation after loss in PLC corrected.

  • Truss element analysis combined for prestrain and damage.

  • Nonlinear beams with NSTR: correction of output in case, temperature loads were applied on linear groups (GRP LINE).

  • Nonlinear springs with a worklaw and excentricities had promlems using a primary loadcase - corrected.

TALPA#

2D Finite Elements in Geotechnical Engineering

Bugfix

  • In case of attributive additional nonlinear material properties (e.g., SWEL, FAUL), occasionally, the computed results of material related state variables could not be displayed in interactive postprocessing (missing intermediate header record in CDB).

ELLA#

Extended Live Load Analysis

Bugfix

  • Representation of longitudinal and transversal loading in the influence line plots has been corrected.

  • Correction of the loading group GR4 (residual load on total traffic area) in combination with the length dependent residual load, such as LM4. (232837)

  • Factors for load trains with varying transverse wheel distances have been corrected for cases where LSEL INT > 2, and the calculation of influence lines and lane loading is split into two or more ELLA runs.

AQB#

Design of Cross Sections

Bugfix

  • The informative output of prestress losses for pre-tensioning (COMB LOSS) has been reactivated. (231385)

  • In the report for fatigue design of reinforced concrete the display of stress ranges for the shear reinforcement appeared only if the fatigue checks for concrete were enabled. This has been improved. (231050)

BEMESS#

Design of Plates and Shells

Bugfix

  • Punching: calculation of critical perimeter length improved according EN 6.4.2 figure 6.15 for edge and boundary columns.

  • Crack width analysis in the layer design: convergence improved. Analysis of coefficient K2 improved.

  • Punching: for EN EN 6.4.4 (6.47) in the first check if punching reinforcement is necessary at all, no k_1 \cdot \sigma_{cp} was used - corrected.

  • Layerdesign: storage of VED corrected for program Graphic.