ME 2253 FINITE ELEMENT ANALYSIS
PREPARED BY : PROF N.SUBRAMANIAN
Two mark questions
UNIT III
1.
Define
shape functions, write the relationship for a rectangular element using
natural co ordinate system
2.
Differentiate
superparametric, subparametric, ,isoparametric elements
3.
What
are CST, LST elements?
4.
What
are the conditions for a problem to be axisymmetric ?
5.
What
are the ways in which a three dimensional problem can be reduced to a two
dimensional approach ?
6.
In an isoparametric element having two nodes one of the shape
function N1= ½[1-r] where r is the natural co ordinate. Find the other shape
function.
7.
Give
examples for essential and non essential boundary conditions.
8.
Write
the stiffness matrix equation for four noded isoparametric quadrilateral
element.
9.
Write
the stain displacement matrix for a CST element.
Unit – IV
1.
Write
the equation of longitudinal vibration of a bar element.
2.
State
the principle of superposition
3.
What
are the types of eigen value problems ?
4.
Explain
the term ‘dynamic analysis’
5.
Give
the governing equation for transverse vibration of a beam
6.
Write
the expression of transverse vibration of beam element
7.
Explain
the term ‘ damping of vibrations’
8.
Define
maginification factor
9.
List
the types of dynamic analysis problems.
10. List the methods used for
solving transient vibration problems.
Unit – V
1. List the method of describing the motion
of fluid.
2. Write the stiffness matrix equation for
1 D heat conduction element.
3. Give the equation for shape function for
2 D heat transfer.
4. Differentiate streamline and pathline
flow.
5. Give the expression for velocity
gradient in fluid mechanics
6. Mention two natural boundary conditions
as applied to thermal problems.
7. Give the governing equation for 2 D heat
conduction.
8. Give the expression of shape function ,N
and temperature function T for 1 D heat conduction element.
9. Define the stream function for a 1 D
incompressible flow.
10. What is
potential function ? How is it represented ?
