Comments (4)
This bug is non-existent. I made a mistake in my understanding of my code.
from femur.
This was actually correct in the first place. The original problem is that nodes are completely reset to zero before cauchy is applied, meaning that they are only dependent on the neighbouring node affected by Cauchy condition. This means that those nodes are not affected by the diffusion inside the element (as if they were simple air particle). For this to function properly, each nodes affected by the cauchy condition should only add the cauchy condition to its stiffness matrix and load vector not overwrite what was currently there.
from femur.
The reset to zero must be removed.
Following this removal, since the addition of Cauchy condition is element-based, the boundary nodes will be given a Cauchy condition more than one time (since more than one element is comprised of the same node). Something has to be done to rectify this problem.
from femur.
This has been corrected in a previous commit.
from femur.
Related Issues (16)
- Create GlobalSolver classes
- Per-Element Jacobien Transformation Matrix definition HOT 1
- Gauss Quadrature Integration should be based on Linear Elements
- Add "Structure Model" and refine current model as "Heat Transfer" model
- Develop a Top level class used for assigning the type of analysis (Structure or Heat Transfer) HOT 1
- Allow Mesh2D to be given an analysis type.
- Add Structure-based get_GN_ref() calculation to current get_GN_ref() method
- Gauss Quadrature function implementation
- Add Triangular(Element2D) Class functionalities
- Add weak form derivation from strong form equation and known values.
- Add Test Functions to the repo
- Review Element1D and Element2D for methods that could be moved to their parent class
- Make all variable the same for both Element1D and Element2D
- Create 2D mesher HOT 2
- Implement single shape function calculation per element type. HOT 2
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from femur.