Virtual test set-up

Hardware connection

Simulation

correlation

Model-based image

processing

Reality-inspired simulations

EikoTwin Virtual

EikoTwin Virtual allows you to anticipate experimental difficulties by preparing completely virtual DIC tests and test case specification.

The use of DIC on complex structures is often limited by the use of cameras in geometrically complex environments. Based on the open-source software Blender, EikoTwin Virtual allows us to prevent these problems and estimate future measurement errors.

The use of virtual DIC scenes widely improves the chances of making the right choices via test procedure specification before the test.

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Eikotwin Virtual Test Specification With Eikosim

EikoSim's engineering partners and customers

Principle: Test Case Specification

Creation of a complete test scene from the meshes of the structure and its environment.
Realistic adjustment of lighting and textures.
Export of realistic images and test layout plans.

Test Specification Features

Conversion of the finite element mesh to a dedicated format.
Import of native or generic formats.
Deformation of structures according to a finite element simulation result to model displacements.

Virtual Test Results

Exports series of "distorted" images directly exploitable in image processing.
Estimation of the expected errors in displacements and communication with the design office.

Applications and tutorials

Crash-test and image correlation: how to measure seat deformations and follow the dummy’s movements

Crash tests are crucial in developing and certifying products, especially for the automotive, aeronautical, and railway industries. These tests simulate collision or impact scenarios in order to evaluate the resistance and safety of products. Among the equipment used to perform these tests is the reverse catapult, which is a device that projects an object, in…

Simulation credibility is a key aspect of the Virtual Testing concept. As the European leader in space launchers, Ariane Group participates with EikoSim in multiple Research and Development projects, including a RAPID R&D project (“MUTATION”) funded by the Direction Générale de l’Armement. This project aims at developing an industrial platform for test-simulation dialogue to meet…

This article invites you to care about an unexpected topic: the preparation of a digital image correlation test with Blender. While research articles do not always mention this aspect of digital image correlation measurements, test preparation is a crucial step in the procedure. The aim is to ensure that the images that will be taken…

The first stable version of the blenDIC add-on has been released. It is a photo-realistic image generation tool for setting up and performing virtual tests involving digital image correlation using the open source 3D animation software Blender. BlenDIC is an open source (GPL) add-on to Blender that encapsulates a large number of tools allowing Blender…

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