Minimum Weight With Stress Constraints Topology Optimization
Author(s)
F. Navarrina, I. Muiños, I. Colominas & M. Casteleiro
Abstract
Minimum weight with stress constraints
topology optimization
F. Navarrina, I. Muifios, I. Colominas & M. Casteleiro
GMNI - Grupo de Me'todos Numkricos en Ingenieria,
Department of Applied Mathematics, Universidad de A Corufia,
E.T.S. de Ingenieros de Caminos, Canales y Puertos, Campus de Elvifia,
1.51 92 A Coruiia, Spain.
Abstract
Sizing and shape structural optimization problems are normally stated in terms of
a minimum weight approach with constraints that limit the maximum allowable
stresses and displacements.
However, topology structural optimization problems have been traditionally stated
in terms of a maximum stiffness (minimum compliance) approach. In this kind of
formulations, the aim is to distribute a given amount of material in a certain domain,
so that the stiffness of the resulting structure is maximized (the compliance,
or energy of deformation, is minimized) for a given load case. Thus, the material
mass is restricted to a predefined percentage of the maximum possible mass, whil
Keywords
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