Title of article :
Stochastic analysis of the vibrations of an uncertain composite truss for space applications
Author/Authors :
G. Allegri، نويسنده , , S. CORRADI، نويسنده , , Giovanni M. Marchetti، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Pages :
10
From page :
273
To page :
282
Abstract :
A hybrid technique to model the effects of mechanical uncertainties on the structural response of large composite trusses for space application is presented and discussed: the proposed method is based on the Monte-Carlo evaluation of finite element stochastic weighted integrals, which allows decoupling the structural discretization mesh from the stochastic one. A benchmark problem, regarding the modal analysis and the harmonic response of an uncertain composite truss, is studied by means of the proposed method: the full statistics of the truss response variables are calculated by Monte-Carlo based simulations and compared to those obtained by perturbative approximated approaches. The implications of the results here obtained onto the design strategy of structures affected by sensible uncertainty levels, as those made of composites, are discussed.
Keywords :
(B) Mechanical properties , (C) Probabilistic methods , (A) Fibre reinforced plastics (FRP) , (C) Statistics , (C) FEA
Journal title :
COMPOSITES SCIENCE AND TECHNOLOGY
Serial Year :
2006
Journal title :
COMPOSITES SCIENCE AND TECHNOLOGY
Record number :
1042428
Link To Document :
بازگشت