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What's New in fe-safe 2017?

Weld Fatigue Enhancements

  • Verity Enhancement – Weld info detection for shell models
    • Top/bottom meshing convention made consistent with solids

Enhancements for Abaqus Users

  • Abaqus 2017 ODBs are now supported
  • When opening Abaqus ODB files of PSD analysis, fe-safe now expects to find the generalized displacements (also known as modal participation factor) data in the same file. It is possible to load generalized displacements data from a separate ODB file.

Enhanced NASTRAN Interface

  • MSC NASTRAN users can now run a PSD analysis in fe-safe
  • MSC and NX NASTRAN users can now load CWELD element data into force datasets for use in spot weld analysis
    • fe-safe 2017 supports all point-to-point and point-to-patch Nastran CWELD fastener elements used for modeling spot welds
  • Geometry data in double-precision can now be read from OP2 files

Vibration Fatigue Enhancements

  • New PSD Tovo-Benasciutti algorithm and use of residual stress in PSD analysis
    • Supports mean stress effects due to residual stresses and also random variation in cycle mean
  • Auto-generation of PSD loading definition
  • ODB workflow: Modes and GU on same file
  • Nastran: Read generalized displacements (per modes as function of frequency) from .pch files

Improved Batch/Macro Usability

  • Macro syntax can now be checked before running an analysis
    • Avoid failure of long-running analyses due to malformed macros
    • Tools àCheck Macro Syntax
  • Parsing of settings values from macros is now case-insenstive
  • GUI auto-timeout after 60 minutes
    • Valuable for users sharing extended packaging license pools
  • Automatic looping of license checker
    • Valuable for batch processes that might need to wait for a license to become available
  • Read DSLS config file to control licensing location


  • Added support for the flexible body input (FBI) file format for Simpack
  • Read ASAM MD4 binary file as signal data file
  • Support for non-integer repeats in loading definition (from 1.0 to 1e9)
  • More consistent coverage of both pre- and post-Neuber corrected stress, adding:
    • Pre-Neuber corrected stress and amplitude contour field for worst cycle
    • Post-Neuber stress history on critical plane for start and end points of cycles