Posts

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Crack tracking on a structure : practical use case in thermal fatigue @ Liebherr Aerospace

By Team Eikosim | 4 December 2024

In the aerospace industry, where component reliability is critical, the study and tracking of cracks is of paramount importance. Liebherr Aerospace, a leading manufacturer of heat exchangers, sought EikoSim’s expertise for an in-depth study of crack development under extreme thermal fatigue loading. The study, detailed below, provides a comprehensive overview of the methods, results and…

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Modal analysis validation – in practice

By Team Eikosim | 9 October 2024

In a recent post, we mentioned how DIC can be used for modal analysis validation by comparing the measured field with a finite element simulation. A practical exercise was proposed to us by INTES: how to export results to a simulation pre-post, in this case that of the PERMAS software? In this case, we have…

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Building simulation credibility: the validation of Ariane 6’s Dual Launch Structure

By Team Eikosim | 24 September 2024

Ensuring the credibility of simulation models is a concern in all fields of engineering. In aerospace engineering, structural qualification is a crucial step in ensuring that critical components are capable of withstanding the most severe operational conditions. This process is essential to ensure the safety and reliability of systems during missions. This article focuses on…

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Modal analysis: how can Digital Image Correlation (DIC) help?

By Team Eikosim | 17 September 2024

Modal analysis is a key technique used in engineering to understand the vibratory behavior of mechanical structures. It enables us to determine the natural frequencies and modal shapes of a structure, which are crucial in ensuring that it does not resonate dangerously under specific operating conditions. Traditionally, this analysis has relied on the use of…

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Altair Partner Interview

By Team Eikosim | 22 July 2024

As an Altair partner, EikoSim was recently invited in Troy, MI for the 15th birthday of the Altair Partner Alliance. It was an occasion for our CEO Florent Mathieu to talk about our software offering and our views for the future. Want to know more about our validation solutions? Head on to our software portfolio. EikoTwin…

The Engineering Mind podcast – Testing and simulation

By Team Eikosim | 5 February 2024

Recently, our CEO, Florent Mathieu, had the honor of joining Jousef Murad to discuss testing & simulation on his podcast, The Engineered Mind. In this conversation, Florent dives into the heart of what makes EikoSim a game-changer in the realm of structural simulation. From the intricate details of test preparation and instrumentation to the invaluable…

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Calibration of material parameters from a single test: workflow

By Team Eikosim | 2 November 2023

By Florent Mathieu, CEO of EikoSim. Images and data – credits IRT St Exupéry How can you perform calibration of several material parameters with a single test? Here’s a guide. In a previous article, we explored the possibilities offered by lattice structures and showed how it is possible to measure these complex kinematics using Digital…

EikoSim announces partnership with simulation leader Ansys

By Team Eikosim | 13 July 2023

EikoSim has recently announced a strategic integration partnership with Ansys, the global leader in engineering simulation. The collaboration aims at developing the field of simulation validation by incorporating EikoSim’s advanced image analysis and simulation validation tools with Ansys® Mechanical™ and Ansys® LS-DYNA®simulation softwares, benefiting Ansys’ extensive customer base. This partnership was forged through EikoSim’s efforts…

Vvuq Standards And Resources Eikosim

VVUQ references & resources for solid mechanics & aerospace

By Team Eikosim | 26 June 2023

By Florent Mathieu, CEO of EikoSim After several occasions where I’ve been given advice to consult specific documents in the field of validation testing and VVUQ (Verification, Validation, and Uncertainty Quantification), I’ve decided to write a blog about this. Here is a more detailed list of important papers, books or websites that I found along…

What is VVUQ

What is VVUQ (Verification, Validation, and Uncertainty Quantification)?

By Team Eikosim | 26 June 2023

By Florent Mathieu, CEO of EikoSim In the world of scientific simulations, ensuring accuracy, reliability, and credibility is of utmost importance. To achieve this, scientists and engineers employ a rigorous process called Verification, Validation, and Uncertainty Quantification (VVUQ). This blog article explores what VVUQ entails, its applications across various software product domains, and its role…

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