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Jesmond Engineering

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    • Fatigue & Damage Tolerance
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    • J-Neub – Fatigue Life Calculation using Local Strain Method
    • J-Rain – Free Rainflow Counting Software
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J-Rain – Free Rainflow Counting Software

Fatigue Spectrum Rainflow Analysis

The load histories applied to components such as an aircraft wing, a car suspension or an oil rig structure are irregular in nature, whereas fatigue coupon test data are usually obtained from constant amplitude loading.

In order to use test data for fatigue analysis of irregular load histories, the cycles must be extracted. There are several methods to extract cycles but the best ones recognise that due to hysteresis effects the cycle between the highest peak and lowest valley in the spectrum are combined. The most commonly used methods in industry are range-mean-pair and rainflow, which produce equivalent results if done properly. Of these, the term “Rainflow” is in most common use and that is the reason for the choice of the name J-Rain for this software.

We’re currently working on a new and improved version of J-Rain and it is currently unavailable. If you would like to register your interest please contact us to be notified when this becomes available.

If you would like a customised version of our J-Rain Fatigue Spectrum Rainflow Analysis software then please contact us to discuss your requirements.

 

 

 

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About Us

  • About
  • Our Team
  • Quality Approvals & Accreditations
  • Affiliations
  • Engineering Case Studies
  • Contact
  • Jobs

Engineering Software

  • J-Neub – Fatigue Life Calculation using Local Strain Method
  • J-Rain – Free Rainflow Counting Software
  • J-Track – Fleet Tracking (Fleet Management) Software
  • Concept Analyst

Engineering Services

  • Fatigue & Damage Tolerance
  • Static Strength Anaylsis
  • Finite Element Analysis
  • Computational Fluid Dynamics (CFD) Modelling
  • Supply of Engineers
  • Training
  • Fatigue Testing
  • Engineering Project Management

+44 (0) 1482 665225
info@jesmondengineering.com

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AS9100 & ISO9001

 

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