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Computational Considerations in Scaling the Application of Progressive Damage Analysis Methods from Coupons to Sub-Components

机译:在逐步扩展从优惠券到子组件的损伤分析方法中的计算注意事项

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摘要

The computational scaling performance for different progressive damage and failure analysis (PDFA) problems of interest is examined using Abaqus/Explicit. Three models that range from a coupon with single-interface delamination to a structural element with a complex, several-interface, delamination migration damage mode were exercised in the study. By comparing run times across different numbers of cores, hardware, and models, the computational scaling performance is quantified. A run time reduction of ten times is achieved scaling from 24 to 512 cores. The computational scaling performance is relatively consistent among the different models, suggesting that the speed up performance that is obtained is characteristic of the class of models. By analyzing and extrapolating the data collected, the current state of computational tractability is defined and discussed.
机译:使用Abaqus / Explicit检查了感兴趣的各种渐进式损坏和失效分析(PDFA)问题的计算缩放性能。在研究中,采用了三种模型,范围从具有单界面分层的试样到具有复杂的,多界面分层迁移迁移模式的结构元件。通过比较不同数量的内核,硬件和模型的运行时间,可以量化计算扩展性能。从24个内核扩展到512个内核,可将运行时间减少10倍。不同模型之间的计算缩放性能相对一致,这表明所获得的加速性能是该类模型的特征。通过分析和推断所收集的数据,定义并讨论了计算可处理性的当前状态。

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