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DIC Experiment - Digital Image Correlation Testing of Lattice Structure

DIC Experiment - Digital Image Correlation Testing of Lattice Structure

2021-10-09

By comparing experimental and simulated stress-displacement curves, this method will allow the implementation of a reverse identification strategy to recalibrate model parameters and reduce the gap between experiments and simulations. The EikoTwin Digital Twin software suggests integrating these two fundamental steps into a single environment. This will enable us to consider transferring these methods to the research department in the short term and develop the potential of lattice structures for industrial applications.

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DIC Experiment - Measuring the Mechanical Properties of Ceramic Matrix Composites Under High Temperature Conditions - In Collaboration with Safran Ceramics

DIC Experiment - Measuring the Mechanical Properties of Ceramic Matrix Composites Under High Temperature Conditions - In Collaboration with Safran Ceramics

2021-10-09

High-temperature testing of ceramic matrix composites is the final step of this research work, which involves developing a universal identification algorithm based on weighted temperature and kinematic functions, referred to as weighted FEMU-TU. This algorithm utilizes a framework similar to the kinematic and load data proposed in the EikoTwin Digital Twin. The weighted FEMU-TU identifies the thermal boundary conditions and thermomechanical properties of SiC/SiC composites under severe 3D thermal loads, based on full-field temperature and displacement (2D/3D surfaces) while considering measurement uncertainties through a covariance matrix.

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DIC Experiment - Verifying the Robustness of Stereometric Grid Digital Image Correlation Software - In Collaboration with SAMWELL TESTING INC.

DIC Experiment - Verifying the Robustness of Stereometric Grid Digital Image Correlation Software - In Collaboration with SAMWELL TESTING INC.

2021-10-09

The quality of measuring displacement fields using digital image correlation depends on many factors, which can be: • Internal to the software (algorithm implementation, shape functions used to describe displacement, image interpolation methods, etc.); • External to the software (quality of speckle patterns, camera resolution, calibration quality, etc.). To verify the robustness of the digital image correlation software algorithms, we specifically compare the software results with other reference measurements obtained independently under the same test conditions (the same external factors of the software). In this process, we can use traditional digital image correlation software to compare the entire displacement field, or we can use physical sensors to compare in localized areas.

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Accumulating DIC Experimental Experience - Understanding and Controlling the Sources of Differences Between Testing and Simulation

Accumulating DIC Experimental Experience - Understanding and Controlling the Sources of Differences Between Testing and Simulation

2021-10-09

In numerical simulations, considering the boundary conditions of digital image correlation measurements allows for the separation of errors caused by the application of boundary conditions in experiments and errors from the constitutive model. Finally, the estimation of noise propagation in image acquisition enables a quantitative assessment of the uncertainty in the identified parameters.

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DIC Experiment - Using EikoTwin DIC for Small Strain Measurement

DIC Experiment - Using EikoTwin DIC for Small Strain Measurement

2021-10-09

Due to its unique imaging technology, the EikoTwin DIC software successfully highlights very small strains that are not visible to the naked eye. The correlation of digital images enables a rapid connection to be established between test data and simulated data.

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Sales Application Engineer

Sales Application Engineer

2021-10-09

Beijing Qiaoze Technology Co., Ltd. has been committed to the cutting-edge technology and solutions centered around "performance, quality, and reliability engineering" since its establishment in 1986. The company has accumulated over 30 years of relevant engineering experience and has introduced and learned from advanced international technologies and tools. It has innovatively proposed the "VRTC Integrated Refinement Technology." This technology can help enterprises that need structural adjustments to establish a world-class R&D platform in a short period, enabling the rapid development of high-quality and highly reliable products that are competitive in the market. The "VRTC Integrated Refinement Technology" is also suitable for integrating and enhancing the R&D capabilities of enterprises.

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DIC Test - Quantitative Image Analysis of Bird Strike Test - In Collaboration with Saint-Gobain

DIC Test - Quantitative Image Analysis of Bird Strike Test - In Collaboration with Saint-Gobain

2021-10-08

Using EikoTwin DIC software to perform stereo DIC directly on the FE mesh used in simulations allows for a direct comparison of measurement results with numerical results. By utilizing image information, a broader estimate of structural deformation under strain can be obtained, even over a longer duration than typically covered by sensors. In fact, due to the energy generated during the impact process, significant strain and damage can occur in the sample, often resulting in the instrument wiring being torn off during testing. Therefore, post-processing these tests with DIC can provide insights into the behavior of the structure over time, as well as the impact of damage patterns on the mechanical resistance of the components' surrounding fixtures (see Figures 2 and 3).

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The 16th Experimental Mechanics Conference successfully concluded.

The 16th Experimental Mechanics Conference successfully concluded.

2021-08-24

The EikoSim DIC strain measurement system exhibited by Qiao Ze has attracted the attention of many scholars and peers due to its unique measurement method that combines actual strain measurement with simulation verification. At the same time, the exhibits from other partners at the exhibition also amazed us, and we deeply feel that experimental mechanics in our country is experiencing a bright spring! In this whirlpool of happiness, we urgently need to learn from and draw on each other!

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Qiaoze Technology successfully showcased the EikoTwin DIC strain measurement system and FlowVision CFD modeling software at the 13th Explosion Dynamics Conference.

Qiaoze Technology successfully showcased the EikoTwin DIC strain measurement system and FlowVision CFD modeling software at the 13th Explosion Dynamics Conference.

2021-08-24

Due to the close relevance of Qiaoze Technology's products, the EikoTwin DIC strain measurement system and FlowVision CFD modeling software, to the theme of this conference, Beijing Qiaoze has specially brought these two products to exhibit at booth A17. We aim to provide experts and scholars with timely and comprehensive understanding of these products to better facilitate their research work, and we are also offering free trials of the products!

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The 20th National Conference on Fatigue and Fracture will be held from August 18 to 20, 2020, at the Crowne Plaza Hotel in Poly Garden, Chongqing.

The 20th National Conference on Fatigue and Fracture will be held from August 18 to 20, 2020, at the Crowne Plaza Hotel in Poly Garden, Chongqing.

2020-08-16

The 12th National Conference on Fatigue and Fracture will be held from August 18 to 20, 2020, at the Crowne Plaza Hotel in Poly Garden, Chongqing! Beijing Qiaoze Technology Co., Ltd. cordially invites industry leaders to attend and provide guidance! Exhibition Booth: Area A, Booth No. 4 Exhibited Products: - EikoTwin DIC Strain Measurement System - A true 3D grid DIC based on FEM simulation models, achieving real-time comparison between simulation and actual measurements - FlowVision Fluid Dynamics Simulation Design Software - HANSE Special Environment Test Chamber - High-Accelerated Life Test System + Product Reliability Testing - SoundPlan Noise Prediction and Assessment Software - SoundViewer Sound Analyzer - A comprehensive noise diagnosis and analysis system

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