Test Examples for Nonlinear Programming Codes
Test Examples for Nonlinear Programming Codes
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During the two past decades, engineers have shown growing interest in automatic structural optimization techniques. These were first used to solve analytical problems and were then rapidly adapted to structural sizing problems coupled to finite element analysis software. Moreover, shape optimization problems featuring complex CAD systems were addressed in the early 90's.This article describes the capabilities of the optimization product developed by SAMTECH S.A. in Liège, Belgium. One will read here what led the company and a group of research engineers at LTAS (Laboratoire des Techniques Aéronautiques et Spatiales, Université de Liège) to the achievement of a so-called open system for parametric design.The BOSS/Quattro package is a general-purpose design program. It includes several "engines": optimization, parametric studies, "Monte-Carlo" studies, "design of experiments" and updating. It is interesting to note that the "engines" can be easily mixed through the graphical user interface (GUI), and, this, with several analysis models.