Comments (2)
This is a known issue, and there is a workaround. When creating a boundary feature that "moves according to formula", there are two positional inputs: "center" pair and "x position", "y position" formula fields. This obviously confusing. Consider the formula inputs (for position and rotation) to define the movement of a virtual marker. And consider the "center" positional input to be the position of the new boundary relative to that marker.
Eventually, we will need to support these markers as first-class objects, creating them individually, drawing them, allowing them to attach to other markers, while allowing all kinds of features attach to them.
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As an example, if you wanted to dynamically pitch an airfoil about its quarter-chord point, you would generate an airfoil, set the "Leading edge position" to (-0.25, 0.0), and set the "angular position" to sin(t).
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Related Issues (20)
- Add support for arbitrary airfoil sections
- Use ZLib to compress PNG and VTU file output HOT 1
- Allow Polygon class to have unequal sides
- Draw features as the user is creating/editing
- OSX Crash with square boundary
- Write high-order elements to VTK files HOT 4
- Allow Polygon class to have more than 17 sides
- Windows crash with speed test
- We need a curved boundary segment
- Line of emitters is not working HOT 2
- Don't solve first step on json load
- Polygon type isn't loading
- Vtk writing needs to be restructured HOT 1
- Json read_x_json should be moved inside x class
- Calculate vorticity HOT 1
- Need BoundaryFeature for user-defined outlines
- Read GMSH mesh file and create BoundaryFeature
- Program should not crash when a json keyword is not found
- Case insensitivity in all string input
- Spurious shed particles near acute angle boundaries
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