Uncertainty analysis of corrugated skin with random elastic parameters and surface topology

摘要: Uncertainty analysis of corrugated skins has been performed for random perturbations in geometric and elastic parameters a chosen baseline model. The are particularly suitable morphing applications aerospace structures their sensitivity to the various input uncertainties is major concern design. sources uncertainty include geometrical corrugation units, surface roughness parametric parameters. These described here within probabilistic framework have incorporated into discretized stochastic finite element model used analysis. propagation these dynamic response structure computationally intensive exercise especially high dimensional models. Such models resolved with statistical methods such as Gaussian Process Emulation polynomial interpolation based sparse grid collocation techniques. brute force Monte Carlo simulation technique results benchmark solutions. A global identify key which affect system equivalent using Sobol’s importance measure.