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FUSED Wind Extension Proposals (FWEP)
- FWEP1 Json/Dictionary type of I/O definition
- FWEP2 Probabilistic representation of the inputs outputs
This section will described an extension to Fused-Wind for an improved structural parametrization. Eventually it will be distilled down to a set of well defined requirements for the code itself.
The major aim of this discussion is to extend the fused-wind framework to describe the internal cross section geometry for cross section.
Some guiding points:
- Minimize the number of assumptions in writing code
- Minimize the amount of coupling with other parts of the code
- Each code unit should be comprehensive and focused.
- It should only focus on one task
- Do everything for that task and nothing more.
- Multiple simple objects is better than large complicated objects
Here are the discussion points:
1 The airfoil surface coordinate should go from 0 to 1 for the whole profile.
2 Currently Fused wind only defines the full blade structure. However there should be a separate description for a cross section. 2.1 This should be completely independent, such that there are no assumptions in either the whole blade or cross section description have no assumptions about the other parameter scheme. 2.2 For down-stream compatibility there should be objects/routines to extract the cross section parametrization from the whole blade parametrization. 2.3 For up-stream compatibility there should be objects/routines to build the whole blade description from a collection of cross section descriptions. 2.4 There are read and write methods for loading and saving cross section descriptions. 2.5 Code written to work with the cross section description should be automatically compatible through the compatibility routines to work with the whole blade description.
3 There are two components to a cross section description, the Outer Mould Line (OML) and the internal geometry. 3.1 The OML is generally well defined (the outer surface of the blade). It is the one geometric description that is used in both the structural and aerodynamic calculations. 3.2 The internal geometry is purely structural, thus less constrained. Accordingly the description should be more open, flexible and extensible so users are free.
4 The cross section scheme