LIMIT Features Overview

LIMIT Funktionen


Software package consisting of three modules:

  • - LIMIT-CAE: Preprocessing
  • - LIMIT-Analysis: Strength assessment
  • - LIMIT-Viewer: Postprocessing

 

LIMIT-CAE preprocessing:

  • - Visualization of the structure via Finite Element model
  • - Definition, editing and verification of evaluation groups
  • - Efficient detection and definition of welds
  • - Definition of load cases and load spectra
  • - Selection of codes and guidelines
  • - Management of FE interfaces and strength assessment jobs
     

Supported assessment codes and guidelines:

  • - FKM 5th and 6th edition
  • - Eurocode 3 and Eurocode 9
  • - DVS1612 and DVS1608
  • - DIN15018
  • - User-defined on the basis of SN curves
  • - DangVan

 

Assessment types:

  • - Static Strength
  • - Fatigue Strength
  • - Finite Life Fatigue

 

Assessment of welded structures:

  • - Nominal stresses
  • - Structural hot spot stresses according to IIW
    • - using shells
    • - using solid models (senor technology)
  • - Effective notch stress

 

Data Import:

  • - Control of LIMIT-Analysis via text control file generated e.g. with LIMIT-CAE
  • - Results Data:
    • - Abaqus: .odb file
    • - MSC-/NX-Nastran/RADIOSS: .op2 file
    • - Ansys: .rst file
    • - Catia: Tetra results via report files
       
  • - FE-Data for evaluation:
    • - Nodes, Elements
    • - Node and element sets
    • - Stresses at element nodes
    • - Displacements (sensor technology)
       

Supported Element Types:

  • - Shell elements
  • - Continuum elements (2D, 3D)
  • - Membrane elements

 

Processing stresses (after import of data):

  • - Load case superposition (base load cases => combined load cases)
  • - Import of load histories
  • - Rainflow classification
  • - Definition of stress spectra
     

Available results

  • - Degree of utilization (DoU)  or safety values
  • - Additionally code dependant results
  • - Eurocodes: Damage or DoU
  • - Welds: Separate results for toes, roots and sheet

 

File Output

  • - Summary as text file
  • - Detailed output for critical elements
    • - Calculation steps in detail
  • - For visualization: .geo file

 

LIMIT-VIEWER:  Postprocessing

  • - Visualization of the structure
  • - Visualization of the output quantities in contour plots:
    • - Degree of Utilization / Safety factors
    • - Various evaluation-dependent data
  • - Query function and annotations for efficient documentation
  • - Export of figures
  •  

License

  • - Floating network license via license server or 
  • - Node locked license
     

Hardware/System

  • - Windows XP, 7, 8
  • - 64 bit
  • - LIMIT-Analysis supports multi processing on machines with shared memory.
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