Abstract
Lightweight structural systems are necessary for wide span, high-rise or mobile structures in order to exploit the potential impact in weight reduction, economic aspects and superior aesthetics. The design of new efficient lightweight structures and the enhancement of existing design concepts lead to the use of adaptivity. The aim of this paper is to present the essential design principles which are necessary to incorporate the adaptive approach into the design process. The basic design principles such as defining the different target functions for the deformation control, the stress ratio control in every single member as well as their combination will be discussed. The placement of the active elements as well as the activation of the systems will be addressed as well. The relevant topology describing values such as the compliance and the degree of the inner and outer statically determination will be placed in relation to the adaptive design approach. Hence this will be an important investigation to determine the relevant features that an adaptive structure should possess. It will be shown on numerical examples that it is possible to create structures, were in defined degrees of freedom, the deformations can be eliminated. Furthermore, structures, which can be manipulated in a way that the internal stress ratios due to actuator movement, are reduced simultaneously by controlling the deformations in defined degrees of freedom.
Users
Please
log in to take part in the discussion (add own reviews or comments).
