Modeling and Experimental Validation of the VARTM Process for Thin-Walled Preforms
Artikel i vetenskaplig tidskrift, 2019

In this paper, recent shell model is advanced towards the calibration and validation of the Vacuum-assisted Resin Transfer Molding (VARTM) process in a novel way. The model solves the nonlinear and strongly coupled resin flow and preform deformation when the 3-D flow and stress problem is simplified to a corresponding 2-D problem. In this way, the computational efficiency is enhanced dramatically, which allows for simulations of the VARTM process of large scale thin-walled structures. The main novelty is that the assumptions of the neglected through-thickness flow and the restricted preform deformation along the normal of preform surface suffice well for the thin-walled VARTM process. The model shows excellent agreement with the VARTM process experiment. With good accuracy and high computational efficiency, the shell model provides an insight into the simulation-based optimization of the VARTM process. It can be applied to either determine locations of the gate and vents or optimize process parameters to reduce the deformation.

liquid composite molding

process modeling

resin flow

fiber preform deformation

porous media theory

Författare

Da Wu

Chalmers, Industri- och materialvetenskap, Material- och beräkningsmekanik

Ragnar Larsson

Chalmers, Industri- och materialvetenskap, Material- och beräkningsmekanik

Mohammad Sadegh Rouhi

RICE SICOMP

Polymers

2073-4360 (ISSN)

Vol. 11 2003

Drivkrafter

Hållbar utveckling

Ämneskategorier

Teknisk mekanik

Beräkningsmatematik

Strömningsmekanik och akustik

Styrkeområden

Produktion

Materialvetenskap

Infrastruktur

Beräkningsinfrastruktur för systembiologi

C3SE (Chalmers Centre for Computational Science and Engineering)

Fundament

Grundläggande vetenskaper

DOI

10.3390/polym11122003

Mer information

Skapat

2019-12-03