Element-by-element techniques and Parallel Programming - The Boundary Element Method with Programming - page 222

8.4.1 Sample input file

The input is precisely the same as for the previous two programs.

8.4.2 Sample output file

This job ran on 4 processors
Project:
Square excavation 3D
Cartesian_dimension: 3
Elasticity Problem
Infinite Region
No symmetry
Linear Elements
Modulus: 1000.00000000000
Poissons ratio: 0.000000000000000E+000
Number of Nodes of System: 602
Number of Elements of System: 600
Node 1 Coor 10.00 0.00 0.00
Node 602 Coor 10.00 9.00 9.00
Incidences:
EL 1 Inci 1 2 3 4
EL 600 Inci 602 141 143 331
Elements with Dirichlet BC´s:
Elements with Neuman BC´s:
Element 600 Prescribed values:
-10.000 0.000E+000 0.000E+000
-10.000 0.000E+000 0.000E+000
Elements on first processor 150
Time before eq solution is 1.85099999999875
It took BiCGSTAB_L 4 iterations to converge
-0.00508 0.00508 0.00508 -0.00787 0.00123
0.00787 0.00079 -0.00079 0.02236 -0.00123
0.00787 0.00787
0.00000 0.00000 10.00000 0.00000 0.00000
10.00000 0.00000 0.00000 10.00000 0.00000
0.00000 10.00000
-0.02236 0.00079 0.00079 -0.00787 -0.00123 -
0.00787 -0.00508 -0.00508 -0.00508 -0.00787 -
0.00787 -0.00123
-10.00000 0.00000 0.00000 -10.00000 0.00000
0.00000 -10.00000 0.00000 0.00000 -10.00000
0.00000 0.00000
This analysis took 2.813629999999903

The output is again unchanged to five significant figures. The number of processors
used was 4 and the speedup due to parallelisation, even on such a small problem, is
shown in Table 8.1, the results being produced on a Bull computer