![$ B$](img2.png) ![$ ^e$](img3.png) |
Element strain-displacement matrix |
![$ C$](img4.png) |
Elastic constitutive matrix |
![$ r$](img5.png) |
Displacement vector |
![$ r$](img5.png) ![$ ^e$](img3.png) |
Element displacement vector |
![$ \hat{\mbox{\boldmath $r$}}$](img6.png) |
Global displacement vector |
![$ K$](img7.png) |
Stiffness matrix |
![$ N_i^e$](img8.png) |
Element shape function |
![$ n$](img9.png) |
Exterior unit normal vector |
![$ \Gamma$](img10.png) |
Domain boundary |
![$ \Gamma_u$](img11.png) |
Dirichlet boundary |
![$ \Gamma_t$](img12.png) |
Neumann boundary |
![$ \delta_{ij}$](img13.png) |
Kronecker symbol |
![$ \varepsilon $](img14.png) |
Infinitesimal deformation tensor |
![$ \nu$](img15.png) |
POisson's ratio |
![$ \sigma$](img16.png) |
Cauchy stress tensor |