Question 1
Which operation defines the weak formulation of the Poisson equation $-\Delta u=f$ on a domain $\Omega$?
Question 2
In the Galerkin finite element method, the test functions are chosen as:
Question 3
What is the standard form of the piecewise linear (hat) basis function $\phi_j$ on a uniform 1D mesh node $x_j$?
Question 4
How is the global stiffness matrix entry $K_{ij}$ assembled in finite element analysis?
Question 5
For a 1D finite element on an interval of length $h$, the local stiffness matrix for $\int_{0}^{h}u'v'\,dx$ is: