Parametric updating of a finite element model from experimental modal characteristics
作者： H. Berger , L. Barthe , R. Ohayon
DOI: 10.1016/0888-3270(90)90017-F
关键词: Structural engineering 、 Modal 、 Parametric statistics 、 Rotational symmetry 、 Mixed finite element method 、 Applied mathematics 、 Mass matrix 、 Truss 、 Stiffness 、 Finite element method 、 Engineering
摘要: Abstract The finite element model updating process developed at ONERA is based on the minimisation of input errors in dynamic equilibrium equations. reaction forces due to incorrect stiffness or mass matrix are used localise predominant and, afterwards, find correcting parameters, order have a prediction as close possible real structure. We present recent evolution method with numerical applications an axisymmetric composite structure and truss system.
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