Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)

We have constructed a design method for body structures consist of standardized components which connects pipes, spacers and joints in a previous study. As a practical application example, we have designed detailed shape of spacers and joints of rear frame. In order to evaluate stiffness and displac...

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Main Authors: Yasuo ASAGA, Hideki SUGIURA, Hidekazu NISHIGAKI, Ichiro AOI, Koji MAKINO, Toshio KON, Yasuhide TAKANO
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2018-11-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/84/867/84_18-00190/_pdf/-char/en
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author Yasuo ASAGA
Hideki SUGIURA
Hidekazu NISHIGAKI
Ichiro AOI
Koji MAKINO
Toshio KON
Yasuhide TAKANO
author_facet Yasuo ASAGA
Hideki SUGIURA
Hidekazu NISHIGAKI
Ichiro AOI
Koji MAKINO
Toshio KON
Yasuhide TAKANO
author_sort Yasuo ASAGA
collection DOAJ
description We have constructed a design method for body structures consist of standardized components which connects pipes, spacers and joints in a previous study. As a practical application example, we have designed detailed shape of spacers and joints of rear frame. In order to evaluate stiffness and displacement under four experiments such as torsion and bending, we have constructed the three-dimensional CAE models. In the CAE models, we have assumed the CFRP's Young's modulus was low considering the manufacturing process. Furthermore, we have made it possible to simulate adhesive behavior by simple modeling instead of adopting the adhesive model called CZM (Cohesive Zone Model) with high model creation cost. As a result, in the initial CAE model, mean square error of displacement at the representative points was from 18.4% to 35.4%. In the improved CAE model, we obtained a model that allows the displacement error to be within 8%.
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spelling doaj.art-db938769a33448d586556f9cb48140052022-12-22T03:41:35ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612018-11-018486718-0019018-0019010.1299/transjsme.18-00190transjsmeDesign study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)Yasuo ASAGA0Hideki SUGIURA1Hidekazu NISHIGAKI2Ichiro AOI3Koji MAKINO4Toshio KON5Yasuhide TAKANO6Toyota Central R&D Labs.,Inc.Toyota Central R&D Labs.,Inc.Toyota Central R&D Labs.,Inc.Toyota Central R&D Labs.,Inc.Toyota Motor CorporationToyota Customizing & Development Co., Ltd.Toyota Customizing & Development Co., Ltd.We have constructed a design method for body structures consist of standardized components which connects pipes, spacers and joints in a previous study. As a practical application example, we have designed detailed shape of spacers and joints of rear frame. In order to evaluate stiffness and displacement under four experiments such as torsion and bending, we have constructed the three-dimensional CAE models. In the CAE models, we have assumed the CFRP's Young's modulus was low considering the manufacturing process. Furthermore, we have made it possible to simulate adhesive behavior by simple modeling instead of adopting the adhesive model called CZM (Cohesive Zone Model) with high model creation cost. As a result, in the initial CAE model, mean square error of displacement at the representative points was from 18.4% to 35.4%. In the improved CAE model, we obtained a model that allows the displacement error to be within 8%.https://www.jstage.jst.go.jp/article/transjsme/84/867/84_18-00190/_pdf/-char/enmodular designstandardizationbody structuretopology optimizationcomputer aided engineering
spellingShingle Yasuo ASAGA
Hideki SUGIURA
Hidekazu NISHIGAKI
Ichiro AOI
Koji MAKINO
Toshio KON
Yasuhide TAKANO
Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
Nihon Kikai Gakkai ronbunshu
modular design
standardization
body structure
topology optimization
computer aided engineering
title Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
title_full Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
title_fullStr Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
title_full_unstemmed Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
title_short Design study of body structure consist of standardized components as module (Realizing and evaluation of body frame structure made of CFRP)
title_sort design study of body structure consist of standardized components as module realizing and evaluation of body frame structure made of cfrp
topic modular design
standardization
body structure
topology optimization
computer aided engineering
url https://www.jstage.jst.go.jp/article/transjsme/84/867/84_18-00190/_pdf/-char/en
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