New unique software solution for accurate in-situ load measurement (Safe Technology)

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fe-safe/True-Loadfor Accurate In-Situ Load Measurement

January 26, 2012: fe-safe/True-Load is a new product from Safe Technology Ltd, developer of the leading durability analysis software for finite element models, fe-safe®. Safe Technology has partnered with Wolf Star Technologies, experts in loading calculation and FEA model correlation, to provide a unique and advanced solution for accurate in-situ load measurement. 

Historically, predicting fatigue life has been challenging because even simple structures undergo complex loading. Many engineering organizations rely on historical data or multi-body dynamics models for loading profiles, often without correlation to the FEA model. The accuracy of the fatigue prediction is directly related to the accuracy of the loading profile. Uncorrelated loading profiles will lead to incorrect fatigue calculations. Even small errors in loading knowledge can lead to large errors in fatigue life prediction because of the log-log nature of fatigue life models. With fe-safe/True-Load the unknowns in loading are eliminated.

e-safe/True-Load will be of benefit to those who know very little about their loadings but want to perform fatigue life calculations as well as those who already run advanced testing programs but want to improve their efficiency and reduce testing

fe-safe/True-Load turns complex components into multi-channel load cells. Working with finite element models, it optimises the location of strain gauges on a component. After strain measurement in the field, it then calculates the time histories of each individual applied load. These loading histories can be used for laboratory testing, or applied as loads in a fatigue-from-FEA analysis. The FEA strains will match the measured strains with unprecedented accuracy.

This technology is ideal for any components that see environmental loads such as chassis, suspensions and frames in automotive and ground vehicle applications, landing gear and wing components in the aerospace industry and wind and wave applications in the power generation industries.

fe-safe/True-Load transforms complicated structures into load transducers by utilizing results from user-defined unit loading, and/or mode shapes, to determine ideal strain gauge locations and orientations for optimal load sensitivity independence. Suggested strain gauge locations can be interactively modified by the user through True-Load/Pre-Test with immediate feedback regarding the load transducer effectiveness.

fe-safe/True-Load  leverages the data from a handful of strain gauges to understand the structural response of the entire structure. This type of knowledge is critical to understanding the loading environment on structures and performing accurate fatigue calculations. fe-safe/True-Load offers unparalleled in-situ load calculation with typical strain gauge correlation to within 2% of measured values. True-Load/Post-Test produces multi-channel data files, load definition files (LDF) and fe-safe macros. Complex structures can go from strain gauge measurement to FEA fatigue results with unparalleled accuracy in a matter of minutes.

fe-safe/True-Load is available directly from Safe Technology and its worldwide network of resellers, and from Wolf Star Technologies.

“We are delighted to be partnering with Wolf Star Technologies to bring an exclusive and unique solution to market that facilitates the generation of accurate loading data for fatigue analysis. Our companies make a formidable partnership, each the technical leader in our specialist field” says John Draper, CEO, Safe Technology Ltd.

“Our innovative new technology is built on 25 years of product development experience. I am very excited about our partnership with Safe Technology and look forward to the value it will bring to our mutual clients” says Dr. Tim Hunter, President of Wolf Star Technologies.


About Safe Technology Limited 

Safe Technology Limited is the technical leader in the design and development of durability software and is dedicated to meeting its customers' most demanding applications.  Its flagship product, fe-safe allows fast, easy and accurate fatigue life predictions for FE models.

In-depth knowledge of fatigue combined with expertise in software development allows Safe Technology to provide outstanding service - with basic and advanced training, software support, and consulting services provided by fatigue experts. Safe Technology develops, markets and supports its software products directly from offices in the UK and USA, by a network of independent distributors worldwide and via the worldwide SIMULIA network.
To learn more about Safe Technology and fe-safe/True-Load, visit or contact Email Contact

About Wolf Star Technologies

Wolf Star Technologies offers FEA consulting services to assist with delivering decision ready solutions for clients' projects and unique software solutions available nowhere else in the FEA industry. Wolf Star Technologies' products focus on understanding the response of structures undergoing complex loading events.  Wolf Star Technologies' powerful software tools can be used in the development of products in industries as diverse as industrial equipment, automotive and aerospace.  Wolf Star Technologies is a Wisconsin based company with a global impact in the engineering industry.

To learn more about Wolf Star Technologies, please visit

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