RUM2021 RUM2021-EuroCentral CustomerPresentation Life Sciences
Abstract:
The strength assessment of plastic components is a problem in practice. The democratization of simulation in the sense of CAD-integrated simulation and the increase in the user-friendliness of simulation software is progressing. This leads to the increased use of simulation in early design phases. It is important for the beneficial application of simulation to achieve a good trade-off between the simplest possible modeling approaches (material model, strength assessment) and sufficient fidelity of the simulation results. In practice, different, non-standardized simulation and assessment approaches are used, or experience-based, subjective procedures are employed. In addition to the uncertainty of such approaches, the comparability of different analyses is not given.
In order to assess a plastic component correctly, there is more than just the FE analysis results. For example multiaxiality, orientation, weld lines, aging, condition, temperature, etc. In practice, these effects are often not taken into account at all or at least not adequately. This may increase costs and development times if due to insufficient or oversized components for example the mold needs rework. An easy procedure is shown in order to increase the accuracy of such simulation at an early design stage. The procedure is based on the use of simple material models and its applicability even with a "thin" data basis with the material information usually available in the public domain. The aim is to ensure a balanced ratio of effort and accuracy, so that even non-simulation or material experts can carry out a plausible and reproducible assessment of plastic components using "on-board" tools. The procedure is shown for but not limited to medical applications.
Speaker Info:
Sascha Pazour studied at the Cologne University of Applied Sciences and graduated with a Diploma in Mechanical Engineering. After working for Tower Automotive in Novi, Michigan, USA he started to work for PART Engineering in Bergisch Gladbach, Germany and is now in charge of the PART Software Customer Relations.
