Abstract
ABSTRACT The design of three-dimensional structures requires finite element computations, whose cost in human and computational time becomes prohibitive when a reasonable criterion of quality is imposed. Methods of control of the discretization errors and optimization of the parameters of the analysis enable the application of finite element analysis; yet, the main difficulty in 3D is the adaptivity of the meshes. The purpose of this paper is to present and compare several methods in order to address this difficulty.
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