**
**   Structure: truss, 20 elements
**   Test objective: T3D3 elements.
**                   Hanging chain; difficult convergence;
**                   Gravity was reduced by 1.e10 in order
**                   to limit the computational time
**
*NODE,NSET=Nall
*ELEMENT,TYPE=T3D3,ELSET=EAll
*BOUNDARY
1,1,3
21,1,3
Nall,2,2
*MATERIAL,NAME=ALUM
*ELASTIC
210000.E6,.3
*DENSITY
7800.
*SOLID SECTION,ELSET=EAll,MATERIAL=ALUM
.0625
*STEP,NLGEOM
*STATIC
*CONTROLS,PARAMETERS=TIME INCREMENTATION
30,30,9,100,30,10,,5,,,
.25,.5,.75,.85,,,1.5,,
*DLOAD
Eall,GRAV,9.81e-12,0.,0.,-1.
*NODE FILE,OUTPUT=2D
U
*EL PRINT,ELSET=EALL
S
*EL FILE,SECTION FORCES
S,NOE
*END STEP