Presentation of thesis

1
Theory of plates shells Homework 1
Zhiqiang Fan
Euler-Bernoulli Beam theories
Moment
Deflection
Deflection at the centerline
Normal stress
2
Timoshenko Beam theories
Deflection
Deflection at the centerline

Plate theories
Deflection

3
Deflection at the centerline


Comparison with FEA analysis
By FEA analysis, we get
It is shown from the attached figure that FEA
analysis agrees with the plate theory results.
While, beam theories give poor predictions for
the plate deflection because Poissons effect is
not taken into consideration.
4
FEA analysis by Abaqus software
5
Deflection comparison by plate theory and FEA
analysis