Material Structure Design of Stress-Dependent Adaptive Stiffness

Use of functional material is a primitive and most promising approach to the functional structural system, e.g. adaptive/smart structures. It, however, is not always necessary for a certain aspect of such structural function. This study proposes a material structure design approach to the stress-dep...

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Veröffentlicht in:Journal of intelligent material systems and structures 2001-04, Vol.12 (4), p.229-234
Hauptverfasser: Tanaka, Masao, Todoh, Masahiro, Oki, Kazushige, Naomi, Akihisa
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container_issue 4
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container_title Journal of intelligent material systems and structures
container_volume 12
creator Tanaka, Masao
Todoh, Masahiro
Oki, Kazushige
Naomi, Akihisa
description Use of functional material is a primitive and most promising approach to the functional structural system, e.g. adaptive/smart structures. It, however, is not always necessary for a certain aspect of such structural function. This study proposes a material structure design approach to the stress-dependent anisotropic adaptive stiffness by using the conventional linear elastic material of isotropy. The structural design problem has been formulated for the material structure consisting of mesoscopic unit cells and solved by using the simple isotropic material with penalization (SIMP) method for the topology design and the traction method for the geometry design for microstructure of the unit cell. The effectiveness of the proposed idea has been examined through numerical studies in two-dimensional cases.
doi_str_mv 10.1106/7VQP-0WCL-EFVT-Q7FD
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subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Static elasticity
Static elasticity (thermoelasticity...)
Structural and continuum mechanics
title Material Structure Design of Stress-Dependent Adaptive Stiffness
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