VMR020-t5

VMR020-t5
Axisymmetric Crack in a Bar

Test Description

A circumferentially cracked round bar of radius R with axisymmetric elements is subjected to uniform stress of 100MPa. Symmetry has been taken into account and only one quarter of the bar is modeled. UY=0 along un-cracked portion, UX=0 along symmetry.

Geometic PropertiesMaterial PropertiesLoading

b=20mm

h/R=1

b/R=0.5

where:

b=bar ligament width
a=length of crack
h=height
R=radius of bar

E=207000MPa

ʋ=0.3

Uniform normal stress of 100MPa

Results

Results are tabulated and displayed as in the NAFEMS manual.

 Mechanical APDL RatioTest
SIF

0.521

1.096

vmr020-t5a-183

J integral with plane stress formulation

0.463

0.975

vmr020-t5a-183

J integral with plane strain formulation

0.486

1.022

vmr020-t5a-183

Input Files