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NAFEMS Benchmark LE3


NAFEMS Hemisphere-point loads Test No LE3 Date/issue
1986-11-21/2


ORIGIN NAFEMS report C1

ANALYSIS TYPE Linear elastic

GEOMETRY
all dimension in metres
le3_1.gif
thickness=0.04

LOADING le3_2.gif
Concentrated radial loads of 2KN, outwards at A, inwards at C

BOUNDARY CONDITIONS Point E, zero zdisplacement
Edge AE, symmetry about zx plane, i.e. zero y displacement, zero normal rotation
Edge CE, symmetry about yz plane, i.e. zero x displacement, zero normal rotation
All other displacements on edge AC are free.

MATERIAL PROPERTIES Isotropic. E=68.25 x 103 MPa, n=0.3

ELEMENT TYPES Quadrilateral shells.

MESHES le3_3.gif le3_4.gif
Equally spaced nodes on AC, CE, EA
Point G at x=y=z=10/sqrt(3)
Equally spaced nodes on BG, DG, FG, (all great circles)

OUTPUT x displacement at point A TARGET 0.185 m

Download the file corresponding to the benchmark:

Notes on the AP 209 files

HTTP Download File Description Provided by
geometry specification (ISO 10303-203 class 6 - advanced b-rep) NAFEMS
geometry specification (ISO 10303-203 class 4 - manifold surfaces) NAFEMS
geometry and coarse FE specification (ISO 10303-209 classes 4 and 10 - manifold surfaces geometry; FE model; loads and boundary conditions; target result) NAFEMS
geometry and fine FE specification (ISO 10303-209 classes 4 and 10 - manifold surfaces geometry; FE model; loads and boundary conditions; target result) NAFEMS