Solved.  Thanks all.

Evan

On Mon, Nov 22, 2010 at 12:42 AM, Markus Bürg <[email protected]> wrote:

>  Hello Evan,
>
> is the h-convergence as it is supposed to be?
>
> Best Regards,
> Markus
>
>
>
> Am 22.11.10 05:52, schrieb pleramorphyllactic:
>
> Hi all,
>
> I'm having an issue with my p-convergence.  Basically, if I use the native
> mesh generator I have no problems, using:
>
>     GridGenerator::hyper_cube(triangulation, -5, 5);
>     triangulation.refine_global(n_refinements);
>
> However, when I try to input a very simple square mesh
>
>     std::ifstream input2_file("square.inp");
>     GridIn<dim> grid_in;
>     grid_in.attach_triangulation(triangulation);
>     grid_in.read_ucd (input2_file);
>
> I lose the p-convergence of my solutions; which seems to indicate an
> orientation problem to me (but the mesh "looks fine" in paraview).
>
> Does anybody have a suggestion?  It seems that read.ucd should already be
> creating triangulation compatibility, so I am a little lost at the moment.
>
> Thanks again,
> Evan
>
> Here's the square.inp file
>
> 121 140 0 0 0
> 1    -5.0 5.0 0
> 2    -5.0 -5.0 0
> 3    -5.0 4.0 0
> 4    -5.0 3.0 0
> 5    -5.0 2.0 0
> 6    -5.0 1.0 0
> 7    -5.0 0 0
> 8    -5.0 -1.0 0
> 9    -5.0 -2.0 0
> 10    -5.0 -3.0 0
> 11    -5.0 -4.0 0
> 12    5.0 -5.0 0
> 13    -4.0 -5.0 0
> 14    -3.0 -5.0 0
> 15    -2.0 -5.0 0
> 16    -1.0 -5.0 0
> 17    0 -5.0 0
> 18    1.0 -5.0 0
> 19    2.0 -5.0 0
> 20    3.0 -5.0 0
> 21    4.0 -5.0 0
> 22    5.0 5.0 0
> 23    5.0 -4.0 0
> 24    5.0 -3.0 0
> 25    5.0 -2.0 0
> 26    5.0 -1.0 0
> 27    5.0 0 0
> 28    5.0 1.0 0
> 29    5.0 2.0 0
> 30    5.0 3.0 0
> 31    5.0 4.0 0
> 32    4.0 5.0 0
> 33    3.0 5.0 0
> 34    2.0 5.0 0
> 35    1.0 5.0 0
> 36    0 5.0 0
> 37    -1.0 5.0 0
> 38    -2.0 5.0 0
> 39    -3.0 5.0 0
> 40    -4.0 5.0 0
> 41    -3.99975235074 3.99924883023 0
> 42    -3.99989359546 2.9995966829 0
> 43    -4.00013521822 1.99962042975 0
> 44    -4.0001508689 0.999285214472 0
> 45    -4.00041147345 -0.000304069995063 0
> 46    -3.99980818189 -1.00029449897 0
> 47    -3.99996693887 -1.9998312425 0
> 48    -4.000040745 -2.99988833531 0
> 49    -3.99987043447 -3.99980731004 0
> 50    3.99977526303 -3.99925880274 0
> 51    3.99995289676 -2.99961415031 0
> 52    4.00025861047 -1.99964076392 0
> 53    4.00035979732 -0.999312624167 0
> 54    4.00055829848 0.000269678516263 0
> 55    3.99998703832 1.00025187577 0
> 56    4.00002489984 1.99980329952 0
> 57    4.00005681287 2.9998805897 0
> 58    3.99987462604 3.99980531835 0
> 59    -3.00008463094 -3.99983034595 0
> 60    -1.9999232651 -4.00000198665 0
> 61    -0.999394142418 -4.00014448777 0
> 62    0.0018794941171 -4.00052150483 0
> 63    1.00104717485 -4.00061075955 0
> 64    2.00017748184 -3.99980543411 0
> 65    2.99987719957 -3.99967876582 0
> 66    3.0000869903 3.99982928682 0
> 67    1.99988435329 4.00000095343 0
> 68    0.999439151929 3.99996852278 0
> 69    -0.00178415570107 4.00040405921 0
> 70    -1.00093949378 4.00050637683 0
> 71    -2.00008548861 3.99974038843 0
> 72    -2.99981517431 3.99964736308 0
> 73    -2.99984276228 -3.00013671807 0
> 74    -1.99941052588 -3.00011339788 0
> 75    -0.998697122202 -3.00028756076 0
> 76    0.00166110513774 -3.00047941055 0
> 77    1.00101614937 -3.00035234917 0
> 78    2.00029833069 -2.99990143369 0
> 79    3.00022212828 -2.99969706146 0
> 80    2.9998310508 3.00011696448 0
> 81    1.99961793044 2.99991047454 0
> 82    0.99893758772 3.00012770259 0
> 83    -0.00142487299093 3.00031379179 0
> 84    -1.00080405875 3.00022158013 0
> 85    -2.00010417364 2.9998006105 0
> 86    -3.00007713367 2.99964591748 0
> 87    3.00030060993 -1.99923262533 0
> 88    3.00076625804 -0.999512209558 0
> 89    3.00062506033 0.000332370132171 0
> 90    2.99990222364 1.00022112094 0
> 91    2.99988030663 2.00001186702 0
> 92    -3.00002810167 1.99915492967 0
> 93    -3.00048882165 0.999414151808 0
> 94    -3.00026628885 -0.000458794438716 0
> 95    -2.99967527287 -1.00033719449 0
> 96    -2.99964659429 -2.00013795347 0
> 97    1.99957960894 1.99994320692 0
> 98    0.999096100565 2.00010863604 0
> 99    -0.000825745281158 2.00007227662 0
> 100    -1.0005440083 1.99987241053 0
> 101    -2.00036986188 1.99935271211 0
> 102    -1.99928330302 -2.00011998997 0
> 103    -0.998804038433 -2.00026332116 0
> 104    0.0011126718878 -2.00023835675 0
> 105    1.00081734026 -2.00002925918 0
> 106    2.00063566551 -1.99948223508 0
> 107    -2.00043392468 0.999573208968 0
> 108    -2.00000263765 -0.000296906707415 0
> 109    -1.99957682024 -1.00022376128 0
> 110    2.00074961191 -0.999733533326 0
> 111    2.00034435558 0.000128681597118 0
> 112    1.99986629714 1.00008210862 0
> 113    -1.00038181027 0.999814113821 0
> 114    -0.999876784609 -0.000182761960104 0
> 115    -0.999353901652 -1.000206728 0
> 116    1.00070179374 -0.999986081415 0
> 117    1.00022710044 1.76932347369e-05 0
> 118    0.999667214503 1.00003830359 0
> 119    0.00067099396712 -1.0001346169 0
> 120    -0.000329278307687 0.999954348114 0
> 121    0.000173007524032 -8.63342286404e-05 0
> 1 1 quad 3 41 40 1
> 2 1 quad 4 42 41 3
> 3 1 quad 5 43 42 4
> 4 1 quad 6 44 43 5
> 5 1 quad 7 45 44 6
> 6 1 quad 8 46 45 7
> 7 1 quad 9 47 46 8
> 8 1 quad 10 48 47 9
> 9 1 quad 11 49 48 10
> 10 1 quad 2 13 49 11
> 11 1 quad 23 50 21 12
> 12 1 quad 24 51 50 23
> 13 1 quad 25 52 51 24
> 14 1 quad 26 53 52 25
> 15 1 quad 27 54 53 26
> 16 1 quad 28 55 54 27
> 17 1 quad 29 56 55 28
> 18 1 quad 30 57 56 29
> 19 1 quad 31 58 57 30
> 20 1 quad 22 32 58 31
> 21 1 quad 14 59 49 13
> 22 1 quad 15 60 59 14
> 23 1 quad 16 61 60 15
> 24 1 quad 17 62 61 16
> 25 1 quad 18 63 62 17
> 26 1 quad 19 64 63 18
> 27 1 quad 20 65 64 19
> 28 1 quad 21 50 65 20
> 29 1 quad 33 66 58 32
> 30 1 quad 34 67 66 33
> 31 1 quad 35 68 67 34
> 32 1 quad 36 69 68 35
> 33 1 quad 37 70 69 36
> 34 1 quad 38 71 70 37
> 35 1 quad 39 72 71 38
> 36 1 quad 40 41 72 39
> 37 1 quad 59 73 48 49
> 38 1 quad 60 74 73 59
> 39 1 quad 61 75 74 60
> 40 1 quad 62 76 75 61
> 41 1 quad 63 77 76 62
> 42 1 quad 64 78 77 63
> 43 1 quad 65 79 78 64
> 44 1 quad 50 51 79 65
> 45 1 quad 66 80 57 58
> 46 1 quad 67 81 80 66
> 47 1 quad 68 82 81 67
> 48 1 quad 69 83 82 68
> 49 1 quad 70 84 83 69
> 50 1 quad 71 85 84 70
> 51 1 quad 72 86 85 71
> 52 1 quad 41 42 86 72
> 53 1 quad 52 87 79 51
> 54 1 quad 53 88 87 52
> 55 1 quad 54 89 88 53
> 56 1 quad 55 90 89 54
> 57 1 quad 56 91 90 55
> 58 1 quad 57 80 91 56
> 59 1 quad 43 92 86 42
> 60 1 quad 44 93 92 43
> 61 1 quad 45 94 93 44
> 62 1 quad 46 95 94 45
> 63 1 quad 47 96 95 46
> 64 1 quad 48 73 96 47
> 65 1 quad 81 97 91 80
> 66 1 quad 82 98 97 81
> 67 1 quad 83 99 98 82
> 68 1 quad 84 100 99 83
> 69 1 quad 85 101 100 84
> 70 1 quad 86 92 101 85
> 71 1 quad 74 102 96 73
> 72 1 quad 75 103 102 74
> 73 1 quad 76 104 103 75
> 74 1 quad 77 105 104 76
> 75 1 quad 78 106 105 77
> 76 1 quad 79 87 106 78
> 77 1 quad 93 107 101 92
> 78 1 quad 94 108 107 93
> 79 1 quad 95 109 108 94
> 80 1 quad 96 102 109 95
> 81 1 quad 88 110 106 87
> 82 1 quad 89 111 110 88
> 83 1 quad 90 112 111 89
> 84 1 quad 91 97 112 90
> 85 1 quad 107 113 100 101
> 86 1 quad 108 114 113 107
> 87 1 quad 109 115 114 108
> 88 1 quad 102 103 115 109
> 89 1 quad 110 116 105 106
> 90 1 quad 111 117 116 110
> 91 1 quad 112 118 117 111
> 92 1 quad 97 98 118 112
> 93 1 quad 104 119 115 103
> 94 1 quad 105 116 119 104
> 95 1 quad 99 120 118 98
> 96 1 quad 100 113 120 99
> 97 1 quad 117 121 119 116
> 98 1 quad 118 120 121 117
> 99 1 quad 115 119 121 114
> 100 1 quad 120 113 114 121
> 1 1 line 22 32
> 2 1 line 32 33
> 3 1 line 33 34
> 4 1 line 34 35
> 5 1 line 35 36
> 6 1 line 36 37
> 7 1 line 37 38
> 8 1 line 38 39
> 9 1 line 39 40
> 10 1 line 40 1
> 11 2 line 12 23
> 12 2 line 23 24
> 13 2 line 24 25
> 14 2 line 25 26
> 15 2 line 26 27
> 16 2 line 27 28
> 17 2 line 28 29
> 18 2 line 29 30
> 19 2 line 30 31
> 20 2 line 31 22
> 21 3 line 2 13
> 22 3 line 13 14
> 23 3 line 14 15
> 24 3 line 15 16
> 25 3 line 16 17
> 26 3 line 17 18
> 27 3 line 18 19
> 28 3 line 19 20
> 29 3 line 20 21
> 30 3 line 21 12
> 31 4 line 1 3
> 32 4 line 3 4
> 33 4 line 4 5
> 34 4 line 5 6
> 35 4 line 6 7
> 36 4 line 7 8
> 37 4 line 8 9
> 38 4 line 9 10
> 39 4 line 10 11
> 40 4 line 11 2
>
>
> _______________________________________________
> dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
>
>
> _______________________________________________
> dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
>
>
_______________________________________________
dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii

Reply via email to