Skip to content

Input File

Rick Fenrich edited this page Aug 14, 2017 · 3 revisions

This file is the interface between the nozzle model and the optimizer. It provides the list of input design variable values, which must be consistent with those defined in the config file in the DV_LIST keyword. In other words, the values in the input file should be specified in the same order as found in DV_LIST. The input file can also be a Dakota file (params.in), in which case it also specifies whether to compute gradients.

Variables with multiple values should be ordered the the same way as their baseline definition in the config file. For example GR-BMI_LOCAL_FAILURE_STRAIN takes 5 values, which should be specified as tensile failure strain direction 1, compressive failure strain direction 1, tensile failure strain direction 2, compressive failure strain direction 2, shear failure strain as explained in this wiki in the Nozzle Definition section.

Note: If no input file is specified, then MULTI-F will run using the parameters specified in the config file. If a parameter has not been specified in the config file, then a baseline value is assumed by MULTI-F.