As a rigorous and efficient uncertainty propagation method,the polynomial chaos (PC) approach has been widely employed in robust design optimization.For the gradient-based robust optimization,the loca
We have been reconsidering meaning of Robust design,and have shown the difficulty to obtain true meaning of so called robust design by the following formulation,when perturbation parameter becomes des
Umbilical is one of key control equipment in the under-sea production system.The cross section at the top of configuration could undertake the most dangerous load cases during operation.Firstly,the un
Single loop approach shows high efficiency,thus it is extensively used in reliability-based design optimization (RBDO).However,it suffers from the non-convergence problem due to the numerical instabil
The predictive capability of computer-aided engineering (CAE) models has been of great concern to engineers who make design decisions at the early stages of development of new engineered products.Mode
Statistical model calibration is used to estimate unknown variables in a computational model through the use of known observations or information,while considering the degree of uncertainty in the inp
Optimization-based statistical model calibration is a method of statistically estimating and adjusting unknown input variables of a computational model to improve the agreement of model predictions wi
Robust design optimization has large potential benefices in many engineering field.In the field of conventional robust aerodynamics design optimization method the main difficulty is expensive computat
Reliability assessment involves identifying the boundaries of the failure domain in the design space.Identifying the boundaries of failure domain is a challenge in highly non-linear structural problem