Structural Optimization Of High Voltage
Transmission Line Towers Considering Continuum
And Discrete Design Variables
Author(s)
J. Par´ıs, S. Mart´ınez, F. Navarrina, I. Colominas & M. Casteleiro
Abstract
Structural optimization has been usually applied to singular projects (e.g. a dam)
and/or to common designs largely repeated (e.g. automotive components), and
high voltage transmission towers can be included in both groups since they are
expensive and a large number of them is required.
In this paper, the authors propose a general formulation for obtaining the
structural optimum design of latticed high voltage towers. The formulation is
devoted to obtaining the most common objective in engineering (minimum cost)
considering the limitations imposed in actual norms for this kind of structure.
According to this idea, real applications are studied and modeled under real
conditions (e.g. loads, constraints, building process). Constructive aspects like the
specific geometry, the structural elements or the building process are specifically
considered. The optimization model proposed also deals with continuum design
variables (global geometry variables) and discrete design variables (area, inertia
and/or cross section dimensions, for example) both together. The use of both types
of design variables is crucial for defining a realistic model that can be used in
practical applications in engineering. The optimum design formulation proposed is
general and can be easily applied to other different types of 3D latticed structures.
Finally, a real application example of a high voltage tower under real conditions
and requirements is analyzed.
Keywords: structural optimization, high voltage towers, discrete design variables,
continuum design variables.
Keywords
structural optimization, high voltage towers, discrete design variables,
continuum design variables.
Related Book
Other papers in this volume
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