fFatigue——疲劳寿命专业分析工具

fFatigue是一款用于快速、精确分析产品疲劳寿命的高精密独立设计工具。fFatigue可以计算恒定振动负载，负载设计谱和应变加载。运用应力寿命方法和应变寿命方法。fFatigue拥有巨大的材料数据库和几何单元，并且提供十分友好的用户操作界面。yDjCAEworks

fFatigue同时提供基于分析和现场数据的失效预测工具。yDjCAEworks

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特征yDjCAEworks

• 应力寿命分析（高循环疲劳）
• 比例因子加载的灵敏度分析
• 不同残余应力下的灵敏度分析
• 应力寿命分析的平均应力修正（Gerber, Goodman, Soderberg）
• 加载顺序法分析（Rainflow counting）
• 条件加载顺序法分析（加载项）
• 输入和输出材料库
• 输入NASGRO 和AFGROW加载文件
• 分析焊接结构
• 扩展概率分析和现场数据分析

扩展概率分析yDjCAEworks

基于疲劳寿命分析预测：yDjCAEworks

• 概率曲线
• 失效预测
• 周期失效预测
• 优化方案

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现场数据分析yDjCAEworks

基于现场数据疲劳失效分析：yDjCAEworks

• 概率曲线
• 失效预测
• 周期失效预测
• 优化方案

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现场数据和预测比较yDjCAEworks

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另外，提供客户自定义方案增加进fFatigue，包括创新方法。yDjCAEworks

屏幕截图yDjCAEworks

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系统要求yDjCAEworks

Windows 95 或更高yDjCAEworks

第三方工具 （AeroMech Support）yDjCAEworks

AeroMech Support软件提供FE数据输出和fFatigue输入。yDjCAEworks

可以独立创建输入文件：yDjCAEworks

• 在FE输出文件下所有疲劳加载的应力提取
• 特定加载项计算最大（最大破坏）主应力
• 在同一最大破坏方向下计算不同加载项的应力

历史yDjCAEworks

目前版本yDjCAEworks

Version 2.11，2009-03-14发布 yDjCAEworks

较少修改和漏洞修复yDjCAEworks

之前版本及内容：yDjCAEworks

Version 2.10, released 2009-03-12 yDjCAEworks
Minor modifications and bug fixes. yDjCAEworks
Spectrum analysis: Sequence mix added yDjCAEworks
Spectrum analysis: Spectrum characteristics added yDjCAEworks
Version 2.00, released 2009-02-13 yDjCAEworks
Minor modifications and bug fixes. yDjCAEworks
Import and export of AFGROW loads files added. yDjCAEworks
Failure forecasting added. yDjCAEworks
SN Database structure changed: SN Data per material & product instead of per curve. yDjCAEworks
Field data analysis added. yDjCAEworks
Interpolation between Kt values added. yDjCAEworks
Freeware version only available as demo. yDjCAEworks
fFatigue will concentrate on high cycle fatigue only. Low cycle fatigue is no longer supported. yDjCAEworks
Version 1.30, released 2008-09-12 yDjCAEworks
Import of NASGRO files improved (extended to comma separated files). yDjCAEworks
Kt for axially loaded lugs: Calculation now according to ESDU method. yDjCAEworks
Minor modifications and bug fixes. yDjCAEworks
Bug fix in strain life analysis: error in Sigma(peak) calculation solved. This error did lead to unconservative results yDjCAEworks
Bug fix for Residual Stress Plot with MIL equivalent stress equation yDjCAEworks
Option added to import load sequence as sequence of condition codes with separate table of corresponding loads. yDjCAEworks
Fatigue analysis for welded steel structures added. yDjCAEworks
Version 1.21, released 2008-07-16 yDjCAEworks
Range check error solved for sensitivity analysis with residual stresses. yDjCAEworks
Probability analysis added. yDjCAEworks
Version 1.20, released 2008-06-27 yDjCAEworks
Minor bug fixes and interface modifications. yDjCAEworks
Bug fix: Accuracy for calculation of Nf in strain-life analysis increased. yDjCAEworks
Option for importing NASGRO files added yDjCAEworks
Option added for import and export of materials database yDjCAEworks
Modification of user interface for sensitivity analysis yDjCAEworks
Version 1.01, released 2006-11-11 yDjCAEworks
Minor bug fixes. yDjCAEworks
Version 1.00yDjCAEworks
First Version.yDjCAEworks