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VVUQ-VERIFICATION, VALIDATION, UNCERTAINTY QUANTIFICATION - Effective ways to improve the reliability of simulation predictions.

VVUQ-VERIFICATION, VALIDATION, UNCERTAINTY QUANTIFICATION - Effective ways to improve the reliability of simulation predictions.

2023-08-14

VVUQ is a systematic approach for assessing the quality and reliability of computational simulations. It involves a series of activities aimed at verifying the models, algorithms, and software used in functional testing and validating simulations, while quantifying and managing the uncertainties associated with the results. By using VVUQ, scientists and engineers aim to gain confidence in simulation predictions, improve decision-making, and enhance the overall reliability of computational models.

What impact and benefits does the analysis and evaluation of human biomechanics data have on the design and optimization of exoskeleton robots?

What impact and benefits does the analysis and evaluation of human biomechanics data have on the design and optimization of exoskeleton robots?

2023-07-26

Exoskeleton robots, simply put, are robots that are "worn on the outside of the human body." They are designed based on bionics and ergonomics and are also known as "wearable robots." It feels like the cool battle suits from movies like Iron Man have now entered our lives, which is quite delightful. Exoskeleton robots are a new type of assistive device that can help healthy individuals perform tasks that typically require significant strength or high skill levels, and assist people with physical disabilities in working and living better. Exoskeleton robots generally consist of a support system, a power assist system, and a body motion control system. The support system is primarily responsible for bearing weight and providing support for the exoskeleton; the power assist system has strong thrust, enabling the robot to perform movements that are difficult for the human body to accomplish on its own; the body motion control system is the core of the exoskeleton robot, capable of accurately controlling the movements of the human limbs based on a deep understanding of human physiological structure. The key to exoskeleton robots lies in a thorough grasp of human kinematics and physiology, as well as a high precision in simulating and controlling their movements.

Do you know how to use SOUNDPLAN for noise simulation of converter stations?

Do you know how to use SOUNDPLAN for noise simulation of converter stations?

2023-07-17

When the noise from the converter station exceeds the boundary noise standards outside the wall without any noise reduction measures, noise reduction measures need to be taken to ensure that the boundary outside the wall meets the standards. According to the frequency spectrum data collected by the DC Construction Department of the State Grid Corporation, the sound power level of the equipment is determined based on engineering experience and equipment data, and simulated calculations are performed using SoundPlan noise calculation software. In this process, monitoring points need to be established outside the converter station's wall, and an understanding and analysis of the characteristic features of the noise sources, including the converter transformer, interconnecting transformer, high-voltage parallel reactor, smoothing reactor, AC/DC filter group, and station transformer, should be conducted to establish the corresponding noise simulation model and carry out calculations.

Senior HALT testing engineers share common product failure modes with you!

Senior HALT testing engineers share common product failure modes with you!

2023-07-04

During HALT testing, the performance of the product may undergo drastic or gradual changes. When the changes reach a certain level, the product will no longer function normally. This situation is referred to as product failure.

The 30th National Conference on High Technology Applications of Vibration and Noise will meet you in Xi'an, China.

The 30th National Conference on High Technology Applications of Vibration and Noise will meet you in Xi'an, China.

2023-06-30

The 30th National Conference on High Technology Applications of Vibration and Noise is a series of academic conferences organized by the Vibration and Noise Control Professional Committee of the Chinese Society of Vibration Engineering. Its purpose is to "gather the wisdom of talents, stimulate innovative capabilities, uphold academic exchanges, promote scientific and technological achievements, track the forefront of disciplines, and lead the development of disciplines."

What should I do if multiple cameras are needed to synchronously collect data during DIC strain measurement?

What should I do if multiple cameras are needed to synchronously collect data during DIC strain measurement?

2023-06-30

DIC strain measurement technology is very suitable for measuring deformation, strain, and displacement in industrial structures, composite materials, petroleum engineering, geotechnical engineering, and construction engineering due to its characteristics of full-field measurement, non-contact nature, wide strain resolution range, and relatively accurate measurement results. It helps verify whether the structural design is reasonable, understand its corresponding mechanical properties, and assess whether its usage status meets standards. In practical applications, if the measurement environment is special, such as when the structure of the object being measured is complex, has a high curvature, or when surrounding facilities obstruct the view and the measurement area is large, implementing DIC strain measurement experiments will involve setting up a system for synchronously collecting data from multiple cameras. The methods for processing the data collected synchronously from multiple cameras will also have a significant impact on the measurement results.

Large DIC Experimenters: Use EikoTwin Visual to simulate DIC experimental scenarios and quickly obtain suitable equipment setup solutions!

Large DIC Experimenters: Use EikoTwin Visual to simulate DIC experimental scenarios and quickly obtain suitable equipment setup solutions!

2023-06-27

EikoTwin Virtual allows users to anticipate experimental difficulties through a fully virtual DIC test. When conducting DIC experiments on complex structures, the limitations of camera use in geometrically complex environments pose numerous challenges to the smooth progress of experiments. Developed based on the open-source software Blender, EikoTwin Virtual can prevent these issues and estimate future measurement errors. The use of virtual DIC scenarios enables clients to devise optimal experimental setup plans before testing.

"Bodies Simulation Classroom is Now Open!" - First Session Theme: Application of Human Muscle and Skeletal Modeling Technology and Sharing of Tool Usage Experience!

"Bodies Simulation Classroom is Now Open!" - First Session Theme: Application of Human Muscle and Skeletal Modeling Technology and Sharing of Tool Usage Experience!

2023-06-20

There are many biomechanical simulation modeling tools available, but how do you choose the one that best suits your needs? Simply understanding a certain simulation modeling software may not be enough. What skills are needed to create an ideal musculoskeletal model using the collected motion data? In which fields are the dynamic data obtained from simulation modeling analysis currently applied? What types of projects? The first session of "Bodies Simulation Classroom is now open!" will help you find the answers!

The EikoTwin DIC strain measurement system applies stereo grid DIC technology to measure seat deformation in crash tests and track dummy movements.

The EikoTwin DIC strain measurement system applies stereo grid DIC technology to measure seat deformation in crash tests and track dummy movements.

2023-06-14

The use of 3D DIC technology allows for the measurement of the entire deformation field of the seat and the tracking of the dummy. By tracking the pre-set markers on certain parts of the dummy's body, its displacement can be measured and determined. Virtual tests created using EikoTwin are used to simulate displacement images similar to crash tests, which are imported into the EikoTwin DIC software for high-precision measurement of seat deformation and dummy displacement.

Ariane Group collaborates with EikoSim Company || EikoTwin series optical strain measurement products are applied in the RAPID R&D project, saving 30% of time costs!

Ariane Group collaborates with EikoSim Company || EikoTwin series optical strain measurement products are applied in the RAPID R&D project, saving 30% of time costs!

2023-02-03

The leader of European space launchers, the Ariane Group, has collaborated with EikoSim on several R&D projects, including the RAPID R&D project ("MUTATION") funded by the Ministry of Defense. This project aims to develop an industrial platform for testing simulated dialogues, addressing faster and safer R&D challenges by improving modeling reliability.

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