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.
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April 2019
Research-Article
Parallelized Finite Element Analysis of Knitted Textile Mechanical Behavior
D. Liu,
D. Liu
Theoretical and Applied Mechanics Group,
Department of Mechanical Engineering
and Mechanics,
Drexel University,
2991 W. School House. Ln., Apt. PW21,
Philadelphia, PA 19144
Department of Mechanical Engineering
and Mechanics,
Drexel University,
2991 W. School House. Ln., Apt. PW21,
Philadelphia, PA 19144
Search for other works by this author on:
S. Koric,
S. Koric
National Center for Supercomputing
Applications;
Department of Mechanical Science
and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
Applications;
Department of Mechanical Science
and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
Search for other works by this author on:
A. Kontsos
A. Kontsos
Theoretical and Applied Mechanics Group,
Department of Mechanical Engineering
and Mechanics,
Drexel University,
3141 Chestnut St.,
Philadelphia, PA 19104
e-mail: antonios.kontsos@drexel.edu
Department of Mechanical Engineering
and Mechanics,
Drexel University,
3141 Chestnut St.,
Philadelphia, PA 19104
e-mail: antonios.kontsos@drexel.edu
Search for other works by this author on:
D. Liu
Theoretical and Applied Mechanics Group,
Department of Mechanical Engineering
and Mechanics,
Drexel University,
2991 W. School House. Ln., Apt. PW21,
Philadelphia, PA 19144
Department of Mechanical Engineering
and Mechanics,
Drexel University,
2991 W. School House. Ln., Apt. PW21,
Philadelphia, PA 19144
S. Koric
National Center for Supercomputing
Applications;
Department of Mechanical Science
and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
Applications;
Department of Mechanical Science
and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
A. Kontsos
Theoretical and Applied Mechanics Group,
Department of Mechanical Engineering
and Mechanics,
Drexel University,
3141 Chestnut St.,
Philadelphia, PA 19104
e-mail: antonios.kontsos@drexel.edu
Department of Mechanical Engineering
and Mechanics,
Drexel University,
3141 Chestnut St.,
Philadelphia, PA 19104
e-mail: antonios.kontsos@drexel.edu
1Corresponding author.
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.
J. Eng. Mater. Technol. Apr 2019, 141(2): 021008 (10 pages)
Published Online: December 20, 2018
Article history
Received:
May 10, 2018
Revised:
September 28, 2018
Citation
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
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