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NAFEMS Benchmark LE7


NAFEMS AXISYMMETRIC CYLINDER / SPHERE - PRESSURE Test No LE7 Date/Issue
1989-01-01/1


ORIGIN NAFEMS report LSB2

ANALYSIS TYPE Linear elastic axisymmetric

GEOMETRY
All dimensions in metres
le7_1.gif
Point x y
B 0.9814 1.6920
D 1.0 1.4034
E 1.0 1.1136

thickness 0.025

LOADING Uniform internal pressure of 1 MPa

BOUNDARY CONDITIONS Point A: zero radial displacement and zero rotation
Point F: zero y-displacement

MATERIAL PROPERTIES Isotropic, E=210 ´ 103 MPa, n=0.3

ELEMENT TYPE Axisymmetric shell

MESHES Coarse
le7_2.gif
Fine
le7_3.gif
Elements uniformly spaced between points

OUTPUT Axial stress syy on outer surface at point D TARGET 25.86 MPa
(analytic)

Download the files corresponding to the benchmark:

Data Category File Description Provided by
Geometry specification ISO 10303-203 class 6 - advanced b-rep NAFEMS
ISO 10303-203 class 4 - manifold surfaces
FE specification ISO 10303-209 classes 4 and 10 - manifold surfaces geometry; FE model; loads and boundary conditions; target result