Vocabulary:
lcsh
Type:
Topic
Note:
Work cat.: Rao, V.N. Vehicle rollover/roof crush simulation and surrogate based optimization, 2006.
Note:
DAKOTA, a multilevel parallel object-oriented framework for design optimization, parameter estimation, uncertainty quantification,
and sensitivity analysis, 2007: p. 33 (In surrogate-based optimization ... optimization occurs using an approximation, i.e.,
a surrogate model, that is built and periodically updated using data from a truth model. The surrogate model can be a global
data fit (e.g., regression or interpolation of data generated from a design of computer experiments), a multipoint approximation,
a local Taylor Series expansion, or a model hierarchy approximation (e.g., a low-density simulation model), whereas the truth
model involves a high-fidelity simulation model)
Note:
Final report : Prefabricated steel bridge systems, via WWW, May 8, 2008: 5.3.3 Surrogate based optimization (SBO) (A surrogate
function is a low-definition function approximating the high-definition function. A surrogate-based optimization approach
is designed to manage surrogate models of the objective function and constraints during the optimization process. In the sequence
of optimization steps, surrogate models are kept updated by the exact objective function and constraints, while the surrogates
are moving towards the local optimum. Thus, surrogate-based optimization is also called sequential approximation optimization
(SAO))
Note:
Assessing the value of another cycle in surrogate-based optimization, via WWW, May 8, 2008 (Surrogate-based optimization (SBO)
for engineering design has become popular in the optimization of engineering systems ... requiring expensive computer simulations.
SBO proceed[s] in design cycles, each cycle consisting of gathering input/output data using computer simulations, construction
of a surrogate based on these data, estimation of the optimum using the surrogate, and a simulation at that optimum)
Note:
Dictionary of applied math for engineers and scientists, 2003; The Penguin dictionary of mathematics, 1989; James, R.C. Mathematics
dictionary, 1992; Encyclopedic dictionary of mathematics, 1987
