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Dakota Reference Manual
Version 6.15
Explore and Predict with Confidence
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Multifidelity Stochastic Collocation as an emulator model.
Alias: none
Argument(s): none
Child Keywords:
Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description | |
---|---|---|---|---|
Optional (Choose One) | Automated Refinement Type (Group 1) | p_refinement | Automatic polynomial order refinement | |
h_refinement | Employ h-refinement to refine the grid | |||
Optional | max_refinement_iterations | Maximum number of expansion refinement iterations | ||
Optional | allocation_control | Sample allocation approach for multifidelity expansions | ||
Optional | discrepancy_emulation | Formulation for emulation of model discrepancies. | ||
Required (Choose One) | Interpolation Grid Type (Group 2) | quadrature_order_sequence | Sequence of quadrature orders used in a multi-stage expansion | |
sparse_grid_level_sequence | Sequence of sparse grid levels used in a multi-stage expansion | |||
Optional (Choose One) | Basis Polynomial Family (Group 3) | piecewise | Use piecewise local basis functions | |
askey | Select the standardized random variables (and associated basis polynomials) from the Askey family that best match the user-specified random variables. | |||
wiener | Use standard normal random variables (along with Hermite orthogonal basis polynomials) when transforming to a standardized probability space. | |||
Optional | use_derivatives | Use derivative data to construct surrogate models | ||
Optional (Choose One) | Covariance Type (Group 4) | diagonal_covariance | Display only the diagonal terms of the covariance matrix | |
full_covariance | Display the full covariance matrix |
Selects a multifidelity stochastic collocation (MF SC) surrogate model to use in the Bayesian likelihood calculations. Most specification options are carried over for using MF SC as a surrogate within the Bayesian framework.
These keywords may also be of interest: