Computational space-time applications

计算时空应用

• 批准号: 534047850
• 负责人: Professor Dr.-Ing. Christian Hesch
• 金额: --
• 依托单位: Lehrstuhl für Numerische Mechanik
• 依托单位国家: 德国
• 项目类别: Research Grants
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/534047850?language=en
• 关键词: Computational; space; time; applications

The simulation of dynamical systems is focused since many years on the development of novel time stepping schemes and the application on structural mechanical problems such as rigid bodies, beams and shells. In the preliminary project we developed the basics for the solution of the whole space-time cylinder, which allows us - to solve highly efficiently in parallel, - to apply local, adaptive refinements in the space-time cylinder, - to solve problems, only accessible using unacceptable small time steps, if even possible, and - to develop new methodologies for the analysis of dynamic situations. In this project, we aim the application of the developed methodology on classical problems in the sense of continuum degenerated Cosserat media and solve them efficiently in a space-time mesh. This will reveal a completely novel approach for structural mechanical systems, with investigations on the overall properties and applicability on industrial simulations. Such partially extremely cumbersome simulations as we have conducted together with the Audi AG on fast moving parts in electric engines requires not only a very expansive equipment, but also a considerable amount of energy, which is in the current situation a central subject in research.

动力系统的模拟多年来一直集中在新的时间推进格式的发展以及在刚体、梁和壳等结构力学问题上的应用。在初步项目中，我们开发了整个时空圆柱体的解决方案的基础知识，这使我们能够-高效地并行解决，-在时空圆柱体中应用局部自适应改进，-解决问题，只有使用不可接受的小时间步长才能访问，如果可能的话，以及-开发新的方法来分析动态情况。在这个项目中，我们的目标是在连续退化Cosserat介质的意义上的经典问题上的开发方法的应用，并有效地解决它们在时空网格。这将揭示一种全新的方法，结构力学系统，与工业模拟的整体性能和适用性的调查。我们与Audi AG一起对电动发动机中的快速移动部件进行的这种部分非常繁琐的模拟不仅需要非常昂贵的设备，而且还需要大量的能源，这在目前的情况下是研究的中心课题。