Flowchart
where
De |
stiffness matrix of the material, constitutive matrix |
B |
matrix due to geometry and basic type of the FE function εe = B ⋅ de |
material FE stiffness matrix |
|
geometric FE stiffness matrix |
|
FE overall stiffness matrix |
|
Kg |
global stiffness matrix of the entire model |
fe |
FE nodal forces vector |
fg |
global nodal forces vector (loading on entire model), vector of the right sides |
de |
nodal parameter vector of FE deformation |
dg |
global nodal parameter vector of deformation, vector of the unknown |
εe |
strain vector |
σe |
vector of internal forces |