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TitleSoftware Systems for Structural Optimization [electronic resource] / edited by H. R. E. M. Hรถrnlein, K. Schittkowski
ImprintBasel : Birkhรคuser Basel, 1993
Connect tohttp://dx.doi.org/10.1007/978-3-0348-8553-9
Descript VIII, 285 p. online resource

SUMMARY

Herbert Hornlein, Klaus Schittkowski The finite element method (FEM) has been used successfully for many years to simulate and analyse mechanical structural problems. The results are accepted or rejected by means of comparison of state variables (stresses, displacements, natural frequencies etc.) and user requirements. In further analyses the design variables will be updated until the user specifications are met and the design is feasible. This is the primary aim of the design process. On this set of feasible designs, the additional requirement given by an objective function (e.g. weight, stiffness, efficiency, etc.) defines the structural optimization problem. In recent years more and more finite element based analysis systems were exยญ tended and offer now optimization modules. They proceed from the design model as defined for structural analysis, to perform an internal adaption of design paยญ rameters based on formal mathematical methods. Despite of many common features, there are significant differences in the selected optimization strategy, the current implementation and the numerical results


CONTENT

Structural optimization โ{128}{148} a survey -- Mathematical optimization: an introduction -- Design optimization with the finite element program ANSYSR -- B&B: a FE-program for cost minimization in concrete design -- The CAOS system -- Shape optimization with program CARAT -- DYNOPT: a program system for structural optimization weight minimum design with respect to various constraints -- MBB-Lagrange: a computer aided structural design system -- The OASIS-ALADDIN structural optimization system -- The structural optimization system OPTSYS -- SAPOP: an optimization procedure for multicriteria structural design -- SHAPE: a structural shape optimization program -- STARS: mathematical foundations


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