16
Jun

Accurately Predicting the Behavior of Pneumatic Tires

When developing the sub-systems of a vehicle, compromises have to be made among several contrasting objectives. On one hand, one wants to set all sub-systems – such as suspensions – so that they allow efficient and safe handling of the vehicle. On the other hand, comfort cannot be sacrificed too much. Being the support of the vehicle and providing forces necessary to control it, pneumatic tires are one of the most important components. However, it is very challenging to model them due to both their complicated composition and the materials used in their manufacturing process. On top of that, the modeling is done by suppliers and an in depth understanding of the interaction with the vehicle must be attained.

15
Jun

Structural Analysis and Model Validation for the James Webb Space Telescope ISIM Structure

The James Webb Space Telescope is a highly sensitive instrument that is positioned using a precise optical metering support structure. This supporting structure is made from composites to reduce thermal expansion effects while reducing weight. The instrument and structure are subjected to temperatures ranging from ambient during launch to cryogenic temperatures while in orbit. Dynamic and static loads are encountered during launch and in operation respectively.

14
Jun

Nonlinear Analysis in MSC Nastran to Reduce Design Bottlenecks

Sporadic use of advanced finite element analysis (FEA) software, such as nonlinear analysis by design engineers, can result in either excessive refresher training time or a bottleneck while in the queue for an analyst. The cause is a result of different types of solvers requiring different models. Commercially available translators can help, but still require significant amounts of cleanup. However, by integrating solvers in MSC Nastran’s SOL 600, the same model in the familiar MSC Nastran format can be used for both liner and MSC Marc nonlinear analysis.

31
May

Force Response of a Sun Roof Bearing

Ticona GmbH is a producer of high-performance plastics. It closely supports customers in a large number of key markets customers during their engineering design process. Before implementing material simulation, they faced challenges with correctly modeling fiber reinforced plastic parts, obtaining quantitative and predictive results from FEA, and using a unique material description valid for all …

27
May

Materials Lifecycle Management for Product Innovation

Manufacturing has become much more complex than it was in the past. New designs are created every day, data flows during engineering processes are becoming huge and the number of engineers working together is growing. These improvements bring some challenges in tracing the data and managing the processes and workflows. A materials lifecycle management (MLM) system is a tool that focuses on capturing and managing data all the way from test data to the consumption of this data by CAE applications. It gives the ability to automate test processes, have complete traceability of all the data in the system, and it gives a very deep client integration. It ensures that engineers are using a consistent source of approved materials derived from traceable integrated processes. Furthermore, it is web-based and very easy to install. MLM eliminates a significant amount of tedious manual data management activities and gives engineers the ability to focus solely on innovations and new product designs.

19
May

Weight Reduction of an Engine Mount

Trelleborg is a global automotive supplier that offers sealing, damping, and protection solutions to the automotive industry. To reach their goal of complying with CO2 regulation, Trelleborg uses material modeling and simulation software.   Challenge To comply with CO2 regulations (2015: 130g   2020: 95g) To reduce the average weight of a car by 200 kg …

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