Direct numerical simulations (DNS) of knitted textile mechanical behavior are for the first time conducted on high performance computing (HPC) using both the explicit and implicit finite element analysis (FEA) to directly assess effective ways to model the behavior of such complex material systems. Yarn-level models including interyarn interactions are used as a benchmark computational problem to enable direct comparison in terms of computational efficiency between explicit and implicit methods. The need for such comparison stems from both a significant increase in the degrees-of-freedom (DOFs) with increasing size of the computational models considered as well as from memory and numerical stability issues due to the highly complex three-dimensional (3D) mechanical behavior of such 3D architectured materials. Mesh and size dependency, as well as parallelization in an HPC environment are investigated. The results demonstrate a satisfying accuracy combined with higher computational efficiency and much less memory requirements for the explicit method, which could be leveraged in modeling and design of such novel materials.
Parallelized Finite Element Analysis of Knitted Textile Mechanical Behavior
Department of Mechanical Engineering
2991 W. School House. Ln., Apt. PW21,
Philadelphia, PA 19144
Department of Mechanical Science
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received May 10, 2018; final manuscript received September 28, 2018; published online December 20, 2018. Assoc. Editor: Anna Pandolfi.
- Views Icon Views
- Share Icon Share
- Search Site
Liu, D., Koric, S., and Kontsos, A. (December 20, 2018). "Parallelized Finite Element Analysis of Knitted Textile Mechanical Behavior." ASME. J. Eng. Mater. Technol. April 2019; 141(2): 021008. https://doi.org/10.1115/1.4041869
Download citation file: