Determination of three-dimensional permeability of fiber preforms by the inverse parameter estimation technique

Sun K. Kim; Isaac M Daniel

doi:10.1016/S1359-835X(03)00087-3

Determination of three-dimensional permeability of fiber preforms by the inverse parameter estimation technique

Sun K. Kim, Isaac M Daniel^*

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

A method is presented for measuring the permeability of three-dimensional orthotropic fiber preforms using the inverse parameter estimation technique. The method is based on an optimization procedure that minimizes differences between computed and measured times of arrival of the flow front at various locations in the mold during resin transfer molding. The arrival time is computed by numerical simulation using the control volume finite element method. The validity of this method was examined experimentally. It was shown that the proposed method can be implemented in a straightforward manner and yields reliable results.

Original language	English (US)
Pages (from-to)	421-429
Number of pages	9
Journal	Composites Part A: Applied Science and Manufacturing
Volume	34
Issue number	5
DOIs	https://doi.org/10.1016/S1359-835X(03)00087-3
State	Published - May 1 2003

Keywords

Inverse parameter estimation
Resin transfer molding
Three-dimensional permeability

ASJC Scopus subject areas

Ceramics and Composites
Mechanics of Materials

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abstract = "A method is presented for measuring the permeability of three-dimensional orthotropic fiber preforms using the inverse parameter estimation technique. The method is based on an optimization procedure that minimizes differences between computed and measured times of arrival of the flow front at various locations in the mold during resin transfer molding. The arrival time is computed by numerical simulation using the control volume finite element method. The validity of this method was examined experimentally. It was shown that the proposed method can be implemented in a straightforward manner and yields reliable results.",

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AU - Daniel, Isaac M

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N2 - A method is presented for measuring the permeability of three-dimensional orthotropic fiber preforms using the inverse parameter estimation technique. The method is based on an optimization procedure that minimizes differences between computed and measured times of arrival of the flow front at various locations in the mold during resin transfer molding. The arrival time is computed by numerical simulation using the control volume finite element method. The validity of this method was examined experimentally. It was shown that the proposed method can be implemented in a straightforward manner and yields reliable results.

AB - A method is presented for measuring the permeability of three-dimensional orthotropic fiber preforms using the inverse parameter estimation technique. The method is based on an optimization procedure that minimizes differences between computed and measured times of arrival of the flow front at various locations in the mold during resin transfer molding. The arrival time is computed by numerical simulation using the control volume finite element method. The validity of this method was examined experimentally. It was shown that the proposed method can be implemented in a straightforward manner and yields reliable results.

KW - Inverse parameter estimation

KW - Resin transfer molding

KW - Three-dimensional permeability

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