What does discretization mean in finite element technique?
Illustrate out the principle of the minimum potential energy.
prepare down the expression for stiffness matrix for truss element.
prepare down the expression for shape function N and displacement function u for the one dimensional bar element.
How the two dimensional problems are modeled in the Finite Element method. Illustrate with simple sketch.
Provide the stiffness matrix equation for axisymmetric triangular element.
What is the situation for problem to be axismmetric?