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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 25
ADVANCES IN STRUCTURAL OPTIMIZATION Edited by: B.H.V. Topping and M. Papadrakakis
Paper V.1
Simultaneous Topology and Material Microstructure Design R. Johanson, N. Kikuchi and P. Papalambros
Department of Mechanical Engineering &l; Applied Mechanics, The University of Michigan, Ann Arbor, United States of America R. Johanson, N. Kikuchi, P. Papalambros, "Simultaneous Topology and Material Microstructure Design", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Structural Optimization", Civil-Comp Press, Edinburgh, UK, pp 143-149, 1994. doi:10.4203/ccp.25.5.1
Abstract
We present an overview of Project MAXWELL, a
rigorous methodology for the integrated design and
fabrication of efficient mechanical components. A key
component of this project is the homogenization method, a
technique for performing optimal structural layout design.
This method can perform topology optimization with only
the specification of a designable area, appropriate loads and
boundary conditions. Both the optimum global shape of the
structure and optimal material properties for each discrete
element in the design domain can be found using this
method. This methodology has been applied to an extensive
and growing body of examples, which range from the
design of simple plane strain/plane stress structures to the
design of automotive body panels, suspension components,
and complete vehicle structural layouts. Several examples
will be presented, illustrating the applications of these tools
to component design, multibody layout design, and design
for natural frequency tailoring. Additionally, a description
of material microstructures designed using homogenization
is included.
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