SIMULIA 리소스 센터

SGI Solutions for SIMULIA Abaqus Customers

Customer Papers

Misuse analysis of the engine hood is a critical evaluation to verify robustness of vehicles. Major studies are carried out for the recent light commercial vehicle in Tofaş. Virtual simulation of the engine hood misuse test; development practices to improve performance and correlation activities with physical tests are stated on this study. Abaqus/Explicit solver is used for virtual simulations.

Customer Papers

Although the problem of friction-induced vibration has been the subject of many investigations over recent decades, it is still responsible for a large number of nuisances in the field of automotive. Using Abaqus For CATIA V5 (AFC) and Abaqus, this study presents a numerical process based on modal reduction to generate a Super-Element for the whole brake system. The size of the model is minimized using a specific non-linear modeling at the frictional interface. Then, the Super-Element is used in Matlab to check is ability to predict the stability analysis of large Finite Element Models that correspond to real automotive braking systems subjected to friction-induced vibrations.

Customer Papers

CLEMSON UNIVERSITY INDUSTRIAL EQUIPMENT

Tech Notes

In this paper we explain what SMS means to Dana, how we approach this topic, and what technologies we are investigating in order to achieve this new level of engineering. Since the process is very complex, we decided to start with a business value assessment (BVA). This engineering assessment was undertaken to understand the current status of our engineering organizations and existing technology, and then identify the gaps to where we want to be with our business. This helped to formulate a foundational strategy and long-term roadmap. With an existing strong focus on the CAE environment this also meant we needed, as previously mentioned, enhance the mindset and our global culture to make the next step in our systems evolution.

Customer Papers

To improve product design and enhance the realism of BD’s advanced finite element models, the development of a constitutive model capable of predicting mechanical behavior at high deformations was initiated for a commercially available latex rubber. A set of baseline experiments was conducted to determine the isothermal mechanical response(s) of the latex rubber. The experiments were designed to provide fundamental insight into any viscoelastic, hyperelastic, and Mullins effects exhibited by the material. A constitutive model was constructed for specific load cases from the aforementioned experimental data. Attention was given to the model’s primary use case, numerical stability, and its ability to perform at high deformation ranges..

Customer Papers

This work presents a finite element (FE) model of a flatfoot deformity to study its biomechanics and improve the surgical plan for individual patients. Despite being a common foot deformity, the biomechanics of flatfoot is not fully understood. Regarding the optimal surgery, foot surgeons have different opinions for individual patients. Studies using cadaver feet are difficult to manage due to individual differences in foot geometry; therefore, these studies have made limited contributions to improving surgical planning. One option for solving this problem is to use a computer-based model. Due to the essence of continuum mechanics, the FE method has been used to model the human foot for various applications. In this work, the software package Abaqus was used to model and simulate flatfoot.

Customer Papers

Achieving Durability Before You Build and Break: Modern Solutions for Fatigue Analysis

Customer Papers

The recent heavy duty truck market towards higher power output, lower fuel consumption and reduced emissions. This trend leads challenges in heavy duty diesel engine design due to increasing thermal loads for hot components. One of the most important design feature for heavy duty diesel engines is cylinder head fatigue durability and gasket sealing performance. Cylinder head is subjected to low cycle thermo-mechanical fatigue (TMF) and highcycle fatigue (HCF) which are driven by combustion process. Gasket sealing performance also has to be considered for avoiding any performance loss resulting from gas leakage.

Customer Papers

This contribution considers the effects of sheet metal forming processes on the fatigue performance of LCV wheel discs, manufactured from microalloyed steel. Traditionally, such parts had to pass standard cyclic load test in the process of experimental validation, but road tests in real life conditions sometimes show fatigue cracks in highly stressed areas, predominantly in bending loading mode. To estimate fatigue life and safety margins standard fatigue tests should be accompanied by numerical simulations based on FEA results. Unfortunately, in spite of the long history of fatigue analysis codes, based on FEA results, the industry still relies heavily on tests because of frequent disagreements between simulation and test results.

Customer Papers

In the development of hearing aids, many factors are important to make a good hearing aid. It can be the sound quality, design and easiness of use. However, it is also important that the device can withstand the environment that it is used in, both regarding moisture, sweat and to be dropped on a hard surface. One of the most sensitive parts in the hearing aid regarding dropping the device on a hard surface is the receiver (name for the loudspeaker in the hearing aid). The development of hearing aids demands shorter time to market and higher rate of success in achieving all the development requirements for the device. Therefore, it is important to be able to predict and improve designs in development projects.

Customer Papers

Electronic devices used in automotive safety has a trend to reduce size in packaging and increase performance of the product, both of which contribute to exponential increase in power consumption of the system consequently increasing the heat generation. Designers have very less choice on PCB board components but have flexibility in designing the enclosures over the PCBs. This calls the need for an optimal enclosure design to maximize the heat dissipation and to reduce the temperature well below the allowable operational limit. Majority of heat generated by these devices get dissipated by conduction and natural convection modes. Heat generated by the chip on PCB due to power consumption is transferred to the cover and housing via heat sink and thermal pads respectively by conduction.

Customer Papers

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