KISSsoft 2024 SP4

General
SP 4 - Corner distance calculation for not sharp-edged abutment in snap-ring
The corner distance h was calculated without influence of the corner distance g, when the abutment is not sharp-edged.
SP 4 - Helical gears right handed weren't fully generated anymore.
Helical gears right handed weren't fully generated anymore.
SP 4 - Own input material data for snap ring
Own input material data for snap ring is now saved correctly.
System Module General
SP 4 - 3D section view
Improvement in the 3D-viewer section view in the Z-Y plane.
SP 4 - 3D viewer
Improvement in the simplified gear geometry used in the 3D view of gears with multiple contacts.
SP 4 - Animation of the rotation of bearings in the the 3D viewer
The outer ring of connecting bearings follows the rotation of the outer shaft.
SP 4 - Bearing and shaft auxilary results
The bearing and shaft auxiliary results now consider planetary and differential copies in the auxiliary results.
SP 4 - Correction in the selection of shafts to show in the system modal analysis plot
Only the shafts of the selected shaft calculation are now shown in the system modal analysis plot.
SP 4 - Gear facewidth used in the 3D viewer
Correction in the gear face-width used in the 3D viewer, for the case of multi-mesh gears.
SP 4 - Handling of messages from sub-calculations
Correction in the handling of messages of sub-calculations in a system module calculation.
SP 4 - Include face gears in system backlash calculation
System backlash calculations now includes also face gears.
SP 4 - Interference check
Improved interference check between gears and housing elements.
Housing Deformation
SP 4 - Housing deformation calculation
Improvement in the update of shaft calculations in the iterations of housing deformation.
SP 4 - Housing deformation special tab
Update of the housing deformation tab, after loading a file.
SP 4 - Nastran symmetric reduced stiffness matrix
Improvement in the reading of symmetric Nastran reduced stiffness matrices.
SP 4 - Reading of initial offsets from reduced stiffness matrix file
Improvement in the stability of the initial offsets reader.
Eigenfrequencies
SP 4 - 3D view of mode shapes
Improvement in the animation of mode shapes in the 3D viewer.
SP 4 - Better format in reports
The format of the reports in modal analysis and Campbell diagram is improved.
SP 4 - Campbell diagram analysis
Improvement in the Campbell diagram analysis in shaft calculations for some special cases, where the number of matching eigen-frequencies is not the same for all speeds.
SP 4 - Simultaneous change of UI parameters, and graphics property list in the Campbell diagram
Simultaneous change of UI parameters, and graphics property list in the Campbell diagram is not possible. For instant, one can see the issue by changing "Number of calculations steps” in the UI, and "Number of resonance curve” in the property list.
Forced Response Shafts
SP 4 - Curve saving in the forced response analysis in the shaft module
Activation of saving the curves in the forced response analysis graphic in the shaft module, when the
option “Reference position” is selected.
Gears
SP 4 - Language updated in the modification table
The language of the modification type in the modification table is updated instantaneously.
SP 4 - Pressure viscosity coefficient for PAG-based oils
The calculation has been improved to use the formula from ISO/TR 6336-22:2018.
SP 4 - Sizing of the tip gear alteration
Sizing of the tip alteration in tab "Reference profile" now sets the calculation to inconsistent.
Cylindrical Gears Rating
SP 4 - Annex E calculation with modifications per flank
Annex E calculation with modifications per flank now selects correct flank when single bin from load spectrum is selected.
SP 4 - Annex E planet shaft deformation
Corrected shaft deformations during Annex E calculations for separate planets.
Cylindrical Gears Geometry
SP 4 - 3D export of cylindrical, planetary gears and racks
Correction in the orientation of the gears in the 3D export.
SP 4 - Backlash calculation with actual tooth form
Flank line modifications for the first gear in a gear pair are now properly considered in the backlash calculation with actual tooth form.
Bevel Gears
SP 4 - Bevel Annex E with multimesh
Bevel face load factor according to Annex E can be calculated when the bevel has multiple meshes.
SP 4 - Warning message for factor ZKP
The warning message for factor ZKP is now shown correctly in case of user defined value.
Globoid Worm Gears
SP 4 - Manufacturing data for worm wheel
Measurement over 3 pins for the worm wheel in the manufacturing data report now has the correct value.
Beveloid Gears
SP 4 - System 3D view of beveloid gears
Fix in the overlap of beveloid gears when switching to “Position like an internal toothing” and back.
Shafts
SP 4 - Gear inner diameter
When gear data is read from the gear calculation file, inner diameter of the gear (outer diameter in case of internal gear) is now also read from the file.
SP 4 - Rotational constraint of the shaft for single bin calculations
In case of single bin calculations rotational constraint of the shaft is now properly set.
SP 4 - Shaft strength calculation with load spectra and small load sum
For the shaft strength calculation with load spectra and small load sum, KBK factor will be set to 1.
Bearings
SP 4 - Pressure curve graphic for roller bearings
Roller bearing pressure curve graphic now shows different colors and line styles for each roller.
Bolts
SP 4 - For the length of engagement mges
Value for the length of engagement mges is now kept, if the checkbox is activated.
SP 4 - Roughness of the plates read from database
The roughness of the plates is read out from the database correctly, and the variables are updated.
SP 4 - Tightening factor influence on FV1
The tightening factor now correctly affects the calculated FV1.
SP 4 - Tolerance 7H and 8H for D1max
The tolerances for 7H and 8H for D1max have the proper order in the database.
FEM Calculations
SP 4 - Plotting of Tresca equivalent stress
The Tresca equivalent stress is now plotted to the graphic results of FEM components.
Scripting
SP 4 - Array literals
Variables can now be initialized from array literals, e.g., number[][] array = [ [0, 1, 2], [2, 3, 4]]
SP 4 - Order of indices
When several indices are present in a variable, the correct order is applied.
SP 4 - Unknown variable message
An error message is shown in the script output if an unknown variable is found.
STEP-Interface
SP 4 - Step export of shaft system with worm gear
Improvement in the orientation of a worm gear, contained in the step export of a shaft system.
CAD-Interfaces
SP 4 - Interface to Autodesk Inventor 2026
Interface to Autodesk Inventor 2026 added.
KISSsys
SP 4 - 3DGLViewer shaft elements user color selection
The 3DGLViewer shaft elements show the user color selection.