WELCOME TO PARABOLIC ELEMENT BEM PROGRAM I N P U T D A T A BOUNDARY ELEMENT METHOD APPLIED TO POTENTIAL PROBLEMS BOUNDARY CONDITIONS ARE ASSIGNED TO ELEMENTS. IF ELM TYPE(I) = 1, THEN DIRICHLIT. IF ELM TYPE(I) = 2, THEN NEUMANN. NUMBER OF ELEMENTS= 28 ELM # ---> ELEMENT NUMBER ELM # I J K ELM TYPE BOUNDARY VALUES 1 4 6 8 1 10.00000 10.00000 10.00000 2 8 10 12 1 10.00000 10.00000 10.00000 3 12 14 16 1 10.00000 10.00000 10.00000 4 16 18 20 1 10.00000 10.00000 10.00000 5 20 22 24 1 10.00000 10.00000 10.00000 6 24 26 28 1 10.00000 10.00000 10.00000 7 28 30 32 1 10.00000 10.00000 10.00000 8 32 34 36 1 10.00000 10.00000 10.00000 9 36 38 40 1 10.00000 10.00000 10.00000 10 40 42 44 1 10.00000 10.00000 10.00000 11 44 46 48 1 10.00000 10.00000 10.00000 12 48 50 52 1 10.00000 10.00000 10.00000 13 9 7 5 1 0.00000 0.00000 0.00000 14 13 11 9 1 0.00000 0.00000 0.00000 15 17 15 13 1 0.00000 0.00000 0.00000 16 21 19 17 1 0.00000 0.00000 0.00000 17 25 23 21 1 0.00000 0.00000 0.00000 18 29 27 25 1 0.00000 0.00000 0.00000 19 33 31 29 1 0.00000 0.00000 0.00000 20 37 35 33 1 0.00000 0.00000 0.00000 21 41 39 37 1 0.00000 0.00000 0.00000 22 45 43 41 1 0.00000 0.00000 0.00000 23 49 47 45 1 0.00000 0.00000 0.00000 24 53 51 49 1 0.00000 0.00000 0.00000 25 1 2 4 2 0.00000 0.00000 0.00000 26 5 3 1 2 0.00000 0.00000 0.00000 27 52 54 56 2 0.00000 0.00000 0.00000 28 56 55 53 2 0.00000 0.00000 0.00000 NUMBER OF BOUNDARY NODES= 56 NODE X-COORDINATE Y-COORDINATE 1 0.00000000 7.16650000 2 0.00000000 8.86666000 3 0.00000000 5.46666000 4 0.00000000 10.00000000 5 0.00000000 4.33300000 6 -0.50000000 10.00000000 7 -1.00000000 4.30000000 8 -1.00000000 10.00000000 9 -2.50000000 4.11200000 10 -2.00000000 10.00000000 11 -4.00000000 3.70800000 12 -3.00000000 10.00000000 13 -5.60000000 2.86500000 14 -4.00000000 10.00000000 15 -6.60000000 1.82700000 16 -6.00000000 10.00000000 17 -7.17200000 0.00000000 18 -8.00000000 10.00000000 19 -8.00000000 0.00000000 20 -9.00000000 10.00000000 21 -9.00000000 0.00000000 22 -10.00000000 10.00000000 23 -10.00000000 0.00000000 24 -12.00000000 10.00000000 25 -12.00000000 0.00000000 26 -14.00000000 10.00000000 27 -14.00000000 0.00000000 28 -16.00000000 10.00000000 29 -16.00000000 0.00000000 30 -18.00000000 10.00000000 31 -18.00000000 0.00000000 32 -20.00000000 10.00000000 33 -20.00000000 0.00000000 34 -22.00000000 10.00000000 35 -22.00000000 0.00000000 36 -24.00000000 10.00000000 37 -24.00000000 0.00000000 38 -26.50000000 10.00000000 39 -26.50000000 0.00000000 40 -29.00000000 10.00000000 41 -29.00000000 0.00000000 42 -31.50000000 10.00000000 43 -31.50000000 0.00000000 44 -34.00000000 10.00000000 45 -34.00000000 0.00000000 46 -36.50000000 10.00000000 47 -36.50000000 0.00000000 48 -39.00000000 10.00000000 49 -39.00000000 0.00000000 50 -42.00000000 10.00000000 51 -42.00000000 0.00000000 52 -45.00000000 10.00000000 53 -45.00000000 0.00000000 54 -45.00000000 7.50000000 55 -45.00000000 2.50000000 56 -45.00000000 5.00000000 NUMBER OF INTERIOR POINTS= 8 POINT X-COORDINATE Y-COORDINATE 1 -10.00000000 2.00000000 2 -10.00000000 4.00000000 3 -10.00000000 6.00000000 4 -10.00000000 8.00000000 5 -30.00000000 2.00000000 6 -10.00000000 4.00000000 7 -10.00000000 6.00000000 8 -10.00000000 8.00000000 END OF INPUT-DATA ECHO PRINT *** N U M E R I C A L S O L U T I O N *** -- FLUX ON BOUNDARY -- ELEMENT NODE-I NODE-J NODE-K DP/DN(I) DP/DN(J) DP/DN(K) 1 4 6 8 -1.660167062 -1.650815026 -1.647439489 2 8 10 12 -1.647439489 -1.620134470 -1.576102712 3 12 14 16 -1.576102712 -1.522880499 -1.392131721 4 16 18 20 -1.392131721 -1.263933318 -1.210317135 5 20 22 24 -1.210317135 -1.163267020 -1.094181352 6 24 26 28 -1.094181352 -1.053126094 -1.029297010 7 28 30 32 -1.029297010 -1.015794570 -1.008570190 8 32 34 36 -1.008570190 -1.004545512 -1.002445886 9 36 38 40 -1.002445886 -1.001104110 -1.000515212 10 40 42 44 -1.000515212 -1.000225998 -1.000104703 11 44 46 48 -1.000104703 -1.000043998 -1.000017914 12 48 50 52 -1.000017914 -1.000005398 -0.9999855476 13 9 7 5 1.957367315 1.998606058 1.988516701 14 13 11 9 1.592640864 1.881086069 1.957367315 15 17 15 13 0.6527038499E-02 1.107409608 1.592640864 16 21 19 17 0.6088281412 0.3873539473 0.6527038499E-02 17 25 23 21 0.8833497095 0.7479647899 0.6088281412 18 29 27 25 0.9685026332 0.9395446114 0.8833497095 19 33 31 29 0.9912074642 0.9836175704 0.9685026332 20 37 35 33 0.9975245001 0.9953942679 0.9912074642 21 41 39 37 0.9994765594 0.9988840328 0.9975245001 22 45 43 41 0.9998904929 0.9997678350 0.9994765594 23 49 47 45 0.9999781107 0.9999516612 0.9998904929 24 53 51 49 1.000003882 0.9999915743 0.9999781107 25 1 2 4 0.0000000000E+00 0.0000000000E+00 0.0000000000E+00 26 5 3 1 0.0000000000E+00 0.0000000000E+00 0.0000000000E+00 27 52 54 56 0.0000000000E+00 0.0000000000E+00 0.0000000000E+00 28 56 55 53 0.0000000000E+00 0.0000000000E+00 0.0000000000E+00 -- FREE TERM AND POTENTIAL VALUES AT NODAL POINTS -- NODE FREE TERM POTENTIAL 1 0.500000 5.2355511 2 0.500000 8.1185306 3 0.500000 2.1850096 4 0.250000 10.000000 5 0.240568 0.00000000E+00 6 0.499999 10.000000 7 0.500000 0.00000000E+00 8 0.500000 10.000000 9 0.496180 0.00000000E+00 10 0.500000 10.000000 11 0.500000 0.00000000E+00 12 0.500000 10.000000 13 0.486521 0.00000000E+00 14 0.500000 10.000000 15 0.500000 0.00000000E+00 16 0.500000 10.000000 17 0.275430 0.00000000E+00 18 0.500000 10.000000 19 0.499998 0.00000000E+00 20 0.500000 10.000000 21 0.500000 0.00000000E+00 22 0.500000 10.000000 23 0.500000 0.00000000E+00 24 0.500000 10.000000 25 0.500000 0.00000000E+00 26 0.500000 10.000000 27 0.500000 0.00000000E+00 28 0.500000 10.000000 29 0.500000 0.00000000E+00 30 0.500000 10.000000 31 0.500000 0.00000000E+00 32 0.500000 10.000000 33 0.500000 0.00000000E+00 34 0.500000 10.000000 35 0.500000 0.00000000E+00 36 0.500000 10.000000 37 0.500000 0.00000000E+00 38 0.500000 10.000000 39 0.500000 0.00000000E+00 40 0.500000 10.000000 41 0.500000 0.00000000E+00 42 0.500000 10.000000 43 0.500000 0.00000000E+00 44 0.500000 10.000000 45 0.500000 0.00000000E+00 46 0.500000 10.000000 47 0.500000 0.00000000E+00 48 0.500000 10.000000 49 0.500000 0.00000000E+00 50 0.500000 10.000000 51 0.500000 0.00000000E+00 52 0.250000 10.000000 53 0.250000 0.00000000E+00 54 0.500000 7.4999929 55 0.500000 2.4999918 56 0.500000 4.9999876 -- POTENTIAL AT INTERNAL POINT -- POINT X-COORD Y-COORD POTENTIAL 1 -10.000 2.0000 1.5530 2 -10.000 4.0000 3.3642 3 -10.000 6.0000 5.4423 4 -10.000 8.0000 7.6851 5 -30.000 2.0000 1.9993 6 -10.000 4.0000 3.3642 7 -10.000 6.0000 5.4423 8 -10.000 8.0000 7.6851