•  Fatigue User’s Guide
  •  Introduction
    • Purpose
    • Overview of MSC Fatigue
    • Features of MSC Fatigue
    • Architecture of MSC Fatigue
    • Organization of Guide
    • Technology Integration for Durability Management
  •  Using MSC Fatigue
    • Introduction
    • Stand Alone Usage
    • The MSC Patran Environment
    •  Job Setup
      • General Setup Parameters
      • Solution Parameters
      • Materials Information Form
      • Loading Information Form
    •  Job Control
      • Submit Full Analysis
      • Submit Partial Analysis
      • Translate Only
      • Save Job Only
      • Monitor Job
      • Abort Job
      • Delete Job
      • Read Saved Job
      • Calculate Normals
      • Interactive
      • Analysis Manager
    •  Postprocessing Results
      • Read Results
      • List Results
      • Re-Analyze
      • Design Optimization
      • Factor of Safety
      • Sensitivity Plots
      • Extract Time History
      • Extract PSD
      • Identify Location
    • Other Modes of Job Setup
  •  Material Management
    • Introduction to PFMAT
    •  PFMAT Menu Options
      • Full List Option
      • Search and List Option
      • Tabulate Options
      • Load Option
      • Unload Option
      • Edit Option
      • Create Option
      • Delete Option
      • Weld Classifier Option
      • Graphical Display Option
      • Preferences Option
      • Exit Option
    • Component vs. Material S-N Curves
    • Rules for Changing Young’s Modulus
    • PFMAT in BATCH Mode
    • PFMAT Material Listing
    •  Accessing MSC Mvision Data
      • 3.7.1 In-House Data Access
      • 3.7.2 MSC Enterprise Mvision and MSC DataMart Access
    •  Grey Cast Iron
      • Characterization of Material Properties for grey cast iron
    • Materials with Temperature Dependent Properties
    •  Materials with Multiple Mean S-N Curves
      • Mean Stress Correction
  •  Loading Management
    • Introduction to PTIME
    •  PTIME Menu Options
      • Add an Entry Option
      • Change an Entry Option
      • List All Entries Option
      • Search and List Option
      • Plot an Entry Option
      • Delete Entries Option
      • Validate Database Option
      • Multi-Channel
      • New Directory
      • Exit Option
    • Multi-File Display (MMFD)
    • Peak-Valley Extraction (MPVXMUL)
    • Auto Spectral Density (MASD)
    • PTIME Central Database Listing
    • DAC File Format Description
    • Loading and Units
    • Aerospace Spectrum File Support
    •  File Definitions
      • Spectrum file
    •  Example Spectrum File
      • Load Control file
    • Example Load Control File
  •  Total Life and Crack Initiation
    •  Introduction
      • Terminal Definition
      • Basic Information
      • Analysis Route
      • Necessary Files
      • The Translator (PAT3FAT or FATTRANS)
      • The FATTRANS Translator
    •  FE Fatigue Analysis Options (FEFAT)
      • Fatigue Preprocessing
      • Fatigue Analysis
      • Factor of Safety Analysis
      • Design Optimization
      • Assess Multiaxiality
      • Output Time Histories
      • Graphical Display of Time Histories
      • Matrix Options
      • Results Processing
      • Utilities
    • Reviewing Results (PFPOST)
    • Fast Analysis (FASTAN)
    •  Description of Files
      • The Job Information File (jobname.fin)
      • The Submit Script (FatigueSubmit)
      • The Analysis Manager Execution Script (FatigueExecute)
      • The Fatigue Input File (jobname.fes)
      • The Preprocessed File (jobname.fpp)
      • The Results Files (jobname.fef/fos)
    • FEFAT Batch Operation
  •  Multiaxial Fatigue
    • Introduction
    •  Global Multiaxial Fatigue Life Analyzer
      • Safety Factor Analysis
      • Crack Initiation Life Analysis
      • FEMLF Batch Operation
    •  Local Multiaxial Stress/Strain Fatigue Analyzer (MMLF)
      • Summary of Method
      • MMLF Module Operation
      • The Postprocessing Menu
      • MMLF Environment Keywords
      • MMLF Batch Operation
    •  Multiaxial Fatigue Theory
      • Multiaxial Stress-Strain State
      • Theories of Multiaxial Fatigue
      • Critical Plane Approaches
      • Multiaxial Low Cycle Fatigue Analysis
      • Multiaxial Safety Factor Analysis
  •  Crack Growth
    •  Introduction
      • Terminal Definition
      • Analysis Route
      • Necessary Files
    •  K Solution Library (PKSOL)
      • Background Information
      • Module Operation
      • Post Analysis Options
      • PKSOL K Solution References
    •  Crack Growth Prediction (PCRACK)
      • Module Operation
      • Post Analysis Menu
    •  Reviewing Results (PCPOST)
      • PCPOST Module Opera tion
    • Batch Operations
    •  Crack Growth Data Analysis (MFCG)
      • MFCG Module Operation
    • NASA/FLAGRO
    •  Crack Growth Analysis Theory
      • Basic Principles of Fracture Mechanics
      • MSC Fatigue Crack Growth Models
      • The Service Environment
      • Geometric Description
      • Materials Response
      • Cycle-by-Cycle Approach
      • Applications of Fracture Mechanics
      • Estimation of LEFM Data
      • Multiaxial Stresses and Crack Propagation Methods
  •  Vibration Fatigue
    •  Introduction
      • Terminal Definition
      • Basic Information
      • Analysis Route
      • Necessary Files
      • The Translator (PAT3FAT or FATTRANS) and Submit Script
    •  Job Setup
      • Solution Parameters
      • Materials Information Form
      • Loading Information Form
      • Job Control
    • Postprocessing Results
    •  FE Vibration Fatigue Analysis (FEVIB)
      • Global Vibration Fatigue Analysis
      • Design Optimization
      • Output Power Spectrum
      • Graphically Display a PSD
      • Results Postprocessing
      • Utilities
      • FEVIB Batch Operation
    •  Frequency Fatigue Life Estimation (MFLF)
      • MFLF Module Operation
      • MFLF Postprocessing Menu
      • MFLF Batch Operation
    •  Vibration Fatigue Theory
      • An Introduction to Random Process Theory
      • What Does the FFT Tell Us?
      • How Do We Use FFTs?
      • Time Domain Characterization of Fatigue Life Estimation
      • Characterization of Structural Response in the Frequency Domain
      • Frequency Domain Approaches of Life Estimation
      • Vibration Analysis using Finite Elements
  •  Weld Analysis
    •  Introduction
      • CWELD Modeling
    •  Job Setup
      • Solution Parameters
      • Materials Information
      • Loading Information
      • Job Control
      • Results
    •  Spot Weld Analyzer (SPOTW)
      • Estimate Fatigue Life
      • Design Optimization
      • List Global Results
      • List .spt File
      • Results Polar Plot
      • Three Sheet Correction
      • Description of Files
      • SPOTW Batch Operation
    •  Polar Display (MPOD)
      • MPOD Module Operation
      • MPOD Extra Details Keywords
      • MPOD Batch Operation
    • Spot Weld Analysis Theory
    •  Seam Weld Analysis
      • Introduction
      • Mean Stress Correction
      • Job Setup
  •  Rotating Structures Analysis
    • Introduction
    •  Job Setup
      • Solution Parameters
      • Materials Information
      • Loading Information
      • Results
    •  Wheels Analyzer (FEROT)
      • Analyze
      • Results Postprocess
      • Extract Time Histories
      • FEROT Batch Operation
  •  Software Strain Gauges
    • Introduction
    •  The Gauge Tool
      • The Gauge Definition File
      • Creating and Modifying Gauges
      • Extracting the FE Results
      • Creating a Fatigue Input File
    •  Software Strain Gauge Module (SSG)
      • Technical Details
      • Correlation with Test
      • SSG Batch Operation
    •  Stress-Strain Analysis (MSSA)
      • Strain Gauge Rosettes
      • Calculation of Principal Strains & Stresses
      • MSSA Module Operation
      • Graphical Operations
      • MSSA Batch Operation
  •  Fatigue Utilities
    •  Fatigue Preprocessing
      • Low Damage Removal
      • Calculate Stress Gradients
    • Utilities
    •  Advanced Loading Utilities
      • Arithmetic Manipulation - (MART)
      • Multi-Channel Editor - (MCOE)
      • Rainflow Cycle Counter - (MCYC)
      • Formula Processor (MFRM)
      • File Cut and Paste - (MLEN)
      • Multi-File Manipulation - (MMFM)
      • Peak-Valley Extraction - (MPVXMUL)
      • Simultaneous Values Analysis DAC/RPC - (MSIMMAX)
      • Amplitude Distribution - (MADA)
      • Auto Spectral Density - (MASD)
      • Fast Fourier Filter - (MFFF)
      • Butterworth Filtration - (MBFL)
      • Frequency Response Analysis - (MFRA)
      • Statistical Analysis - (MRSTAT)
      • Header/Footer Manipulation - (MFILMNP)
    •  Advanced Fatigue Utilities
      • Single Location S-N Analysis - (MSLF)
      • Single Location ε-N Analysis - (MCLF)
      • Cycle and Damage Analysis - (MCDA)
      • Cycles File Lister - (MCYL)
      • Time Correlated Damage - (MTCD)
      • Single Location Vibration Fatigue - (MFLF)
      • Stress-Strain Analysis - (MSSA)
      • Multi-Axial Life Analysis - (MMLF)
      • Crack Growth Data Analysis - (MFCG)
      • Kt/Kf Evaluation - (MKTAN)
    •  Graphics Display Utilities
      • Graphical Editing - (MGED)
      • Multi-File Display - (MMFD)
      • Quick Look Display - (MQLD)
      • Two Parameter Display - (MTPD)
      • Polar Display - (MPOD)
      • Three Dimensional Display - (MP3D)
      • UNIX Based Plotting Utility - (MQPLOT)
      • Windows-Based Plotting Utility - (MWNPLOT)
      • Printer/Plotter Definition Module - (MPLTSYS)
      • Plot/Pen Colors Utility - (MNCPENS)
    •  File Conversion Utilities
      • Binary/ASCII Convertor - (MDTA/MATD)
      • Signal Regeneration - (MREGEN)
      • RPC to DAC - DAC to RPC - (MREMDAC/MDACREM)
      • Regenerate Time Histories from PSDs
      • Cross-Platform Conversion - (MCONFIL)
      • Waterfall File Create - (MWFLCRE)
  •  Validation Problems
    • Introduction
    •  Problem 1: Analysis of a Keyhole Specimen
      • S-N Analysis of Keyhole
      • Crack Initiation of Keyhole
      • Crack Growth of Keyhole
      • Keyhole Results
    •  Problem 2: Analysis of an Underwater Pressure Vessel
      • Crack Initiation of Weld
      • Crack Growth of Weld
    • Problem 3: Comparison to Another Code
    • Problem 4: Ten Simple Notched Geometries
    •  Problem 5: Transient Results
      • Simple Transient Comparison
      • MSC Nastran Transient Results
    •  Problem 6: Spot Weld Analysis
      • H-Profile Spot Weld
      • T-Beam Specimen
    •  Problem 7: Vibration Fatigue Analysis
      • A Simple Worked Example
      • Measured Responses
      • Finite Element Model Responses
  •  Fatigue Theory
    •  Introduction
      • Background
      • The History of Fatigue
      • High Cycle versus Low Cycle Fatigue
      • Summary
      • Inputs to Fatigue Life Estimation Models
    •  Total Life (S-N) Analysis
      • Stress Cycles
      • The S-N Curve
      • Procedure for Determining the S-N Curve
      • Limits of the S-N Curve
      • Tensile Properties and the S-N Curve
      • The Influence of Mean Stress
      • Factors Influencing Fatigue Life
      • Application in MSC.Fatigue
    •  Crack Initiation/Strain-Life (ε‑N) Analysis
      • The Microscopic Aspects of Fatigue Failure
      • The Strain-Life Methodology
      • Monotonic Stress-Strain Behavior
      • Cyclic Stress-Strain Behavior
      • The Strain-Life Curve
      • Strain-Life vs. Stress-Life
      • Transition Life
      • The Effect of Mean Stress
      • Factors Influencing Fatigue Life
      • Application in MSC.Fatigue
      • The Statistical Nature of Fatigue
      • Representation of Fatigue Data on a Statistical Basis
      • The Statistical Distribution Function
      • Probability of Failure at a Finite Life
      • Probability of Failure for Infinite Life
      • Handling Statistics Under Random Loading Conditions
      • The Absolute Accuracy of Fatigue Life Estimation
    • Estimating Material Cyclic Properties From UTS & E
  •  References
    • References
    • Further Reading
  •  Module Operations
    • Terminal Definition
    •  MASK (X) Mode
      • Description of the Text Screen
      • Using the Keypad
      • Special Commands
      • Correcting Input Errors on the Text Screen
      • Inputting a Range of Numbers
      • List Function Operation
      • Graphical Screen Manipulation
      • Graphical Mouse Operations
      • Graphical Command Line
      • Font Selection (PFSETFONT)
    •  MOTIF (and Windows NT) Mode
      • Graphical Options
      • Graphical Command Line
    • Modifying the MSC.Fatigue Environment (MENM)
  •  Limitations and Error Messages
    • Program Limitations
    •  Error Messages
      • PCL Form Messages
      • Translator (PAT3FAT) Messages
      • Analyzers (FEFAT, PCRACK)
      • Analyzer FEVIB
  •  MSC Fatigue Information
    • About MSC.Fatigue
    • Using MSC.Fatigue
    • Common MSC.Fatigue Issues
    • MSC.Fatigue and a Corporate Durability Management System
    • More Information about nCode International

Fatigue User’s Guide

More Information about nCode International

HTOC_using_

Introduction

preparing_analysis

Accessing

General_setup

fatigue_jobname

Solution_params

total_life_solution_parameters

crack_initiation_solution_parameters

crack_growth_solution_parameters

Materials

number_of_materials

materials_database_manager

SN_material_parameters

crack_initiation_material_parameters

crack_growth_material_parameters

Loading

time_history_database_manager

results_parameters

HTOC_finite_element_results

database

MSC.Patran FEA

external

HTOC_results_types

static

load_parameters

time_history

load_magnitude

transient

get/filter_results

Job_control

full

Submit_full

partial

Submit_partial

Translate_only

Save_job_only

monitor

Monitor_job

HTOC_job_execution_status_messages

HTOC_what_to_do_when_a_job_stops_

HTOC_error_messages

Abort_job

abort

Delete_Job

read

Read_saved_job

Calculate_Normals

Interactive

Analysis_Manager

Results

read_results

fringe_plots

using_spectrums

list_results

re_analyze

design_optimization

factor_of_safety

sensitivity_plots

extract_time_history

feftrn

about

using

common

corporate

ncode