Numerical simulation of microscopic flow in a fiber bundle using the moving particle semi-implicit method

Tomonaga Okabe, Hiroaki Matsutani, Takashi Honda, Shigeki Yashiro

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper simulated the microscopic flow in a fiber bundle using the moving particle semi-implicit (MPS) method. Two phases (resin and air) were directly modeled to clarify the detailed mechanism of air entrapments in a fiber bundle. An external force was then introduced into the Navier-Stokes equation using a quasi-potential term to express the wettability between fiber and resin. To validate the MPS method for application to resin flow, we simulated a droplet of resin and the capillary flow of resin between the fibers. To validate the present approach, we simulated water-and-air two-phase flow and compared the simulation results with experiment results. The simulated results for water flow agreed well with the experiment results. Based on these validations, resin-and-air two-phase flow in a fiber bundle was simulated to analyze void formation in a fiber bundle. The simulation indicates that void formation depends on fiber arrangement as well as wettability.

Original languageEnglish
Pages (from-to)1765-1774
Number of pages10
JournalComposites Part A: Applied Science and Manufacturing
Volume43
Issue number10
DOIs
Publication statusPublished - Oct 1 2012
Externally publishedYes

Fingerprint

Resins
Fibers
Computer simulation
Air
Two phase flow
Wetting
Capillary flow
Water
Navier Stokes equations
Experiments

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials

Cite this

Numerical simulation of microscopic flow in a fiber bundle using the moving particle semi-implicit method. / Okabe, Tomonaga; Matsutani, Hiroaki; Honda, Takashi; Yashiro, Shigeki.

In: Composites Part A: Applied Science and Manufacturing, Vol. 43, No. 10, 01.10.2012, p. 1765-1774.

Research output: Contribution to journalArticle

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