大家一起学ADINA，贡献流固耦合的例子

shileihit

楼主太大公无私了，学习

wanglj517

step by step! thanks.

strive

呵呵，好好学习！
谢谢！
顺便问一下，有人做过风压方面的例子吗？邮箱pflily@126.com，谢谢大家。

colunbu

多谢，正在研究

yzhanguo

学习中
谢谢楼主

xielihui

很好，谢谢分享

dssun66

暂时还不需要研究流体

jindi1945

感激一哈子～！！

wandawei-112

请教楼主，为何我照着你的说明做了一下，运行到20步左右的时候出现如下的错误呢？

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 5.01E-01.
    The fluid nodal coordinates are (0.00E+00, 1.17E-04, 6.01E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.

     ITE=     1   0.253323E-01  0.105311E-01            1  0.249503E-02           85  0.119064E+06            0.00          0.00

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 5.10E-01.
    The fluid nodal coordinates are (0.00E+00, 1.21E-04, 6.12E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

     ITE=     2   0.263413E-02  0.102830E-02            1  0.250204E-02           85  0.119020E+06            0.00          0.00
     -------------------------------------------------------------------------------------------------------------------------------
     RESTART DATA SAVED AT TIME   0.420000E+01


     INITIAL TIME..................................... =  0.42000000E+01
     TIME STEP LENGTH................................. =  0.20000000E+00
     TIME STEP........................................ =           22
     -------------------------------------------------------------------------------------------------------------------------------
     EQUILIBRIUM   RELATIVE RESIDUALS OF          MAXIMUM DISPLACEMENT          MAXIMUM STRESS            SOLUTION TIME TIMES
     ITERATION     DISPLACEMENT    STRESS       SOLID NODE     MAGNITUDE   SOLID NODE     MAGNITUDE      SOLID MODEL   FLUID MODEL
     -------------------------------------------------------------------------------------------------------------------------------

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 5.90E-01.
    The fluid nodal coordinates are (0.00E+00, 1.40E-04, 7.08E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.

     ITE=     1   0.266672E-01  0.111843E-01            1  0.257446E-02           85  0.118963E+06            0.00          0.00

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 5.99E-01.
    The fluid nodal coordinates are (0.00E+00, 1.44E-04, 7.18E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

     ITE=     2   0.231977E-02  0.920841E-03            1  0.258082E-02           85  0.118914E+06            0.00          0.00
     -------------------------------------------------------------------------------------------------------------------------------
     RESTART DATA SAVED AT TIME   0.440000E+01


     INITIAL TIME..................................... =  0.44000000E+01
     TIME STEP LENGTH................................. =  0.20000000E+00
     TIME STEP........................................ =           23
     -------------------------------------------------------------------------------------------------------------------------------
     EQUILIBRIUM   RELATIVE RESIDUALS OF          MAXIMUM DISPLACEMENT          MAXIMUM STRESS            SOLUTION TIME TIMES
     ITERATION     DISPLACEMENT    STRESS       SOLID NODE     MAGNITUDE   SOLID NODE     MAGNITUDE      SOLID MODEL   FLUID MODEL
     -------------------------------------------------------------------------------------------------------------------------------

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 6.86E-01.
    The fluid nodal coordinates are (0.00E+00, 1.66E-04, 8.23E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.

     ITE=     1   0.273807E-01  0.115610E-01            1  0.265753E-02           85  0.118780E+06            0.00          0.00

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 6.94E-01.
    The fluid nodal coordinates are (0.00E+00, 1.70E-04, 8.33E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

     ITE=     2   0.183859E-02  0.743956E-03            1  0.266274E-02           85  0.118725E+06            0.00          0.00
     -------------------------------------------------------------------------------------------------------------------------------
     RESTART DATA SAVED AT TIME   0.460000E+01


     INITIAL TIME..................................... =  0.46000000E+01
     TIME STEP LENGTH................................. =  0.20000000E+00
     TIME STEP........................................ =           24
     -------------------------------------------------------------------------------------------------------------------------------
     EQUILIBRIUM   RELATIVE RESIDUALS OF          MAXIMUM DISPLACEMENT          MAXIMUM STRESS            SOLUTION TIME TIMES
     ITERATION     DISPLACEMENT    STRESS       SOLID NODE     MAGNITUDE   SOLID NODE     MAGNITUDE      SOLID MODEL   FLUID MODEL
     -------------------------------------------------------------------------------------------------------------------------------

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 7.88E-01.
    The fluid nodal coordinates are (0.00E+00, 1.93E-04, 9.45E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.

     ITE=     1   0.275779E-01  0.117817E-01            1  0.274241E-02           85  0.118514E+06            0.00          0.00

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 7.94E-01.
    The fluid nodal coordinates are (0.00E+00, 1.97E-04, 9.53E-01)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

     ITE=     2   0.127288E-02  0.540870E-03            1  0.274614E-02           85  0.118458E+06            0.00          0.00
     -------------------------------------------------------------------------------------------------------------------------------
     RESTART DATA SAVED AT TIME   0.480000E+01


     INITIAL TIME..................................... =  0.48000000E+01
     TIME STEP LENGTH................................. =  0.20000000E+00
     TIME STEP........................................ =           25
     -------------------------------------------------------------------------------------------------------------------------------
     EQUILIBRIUM   RELATIVE RESIDUALS OF          MAXIMUM DISPLACEMENT          MAXIMUM STRESS            SOLUTION TIME TIMES
     ITERATION     DISPLACEMENT    STRESS       SOLID NODE     MAGNITUDE   SOLID NODE     MAGNITUDE      SOLID MODEL   FLUID MODEL
     -------------------------------------------------------------------------------------------------------------------------------

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 8.93E-01.
    The fluid nodal coordinates are (0.00E+00, 2.22E-04, 1.07E+00)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.

     ITE=     1   0.271382E-01  0.117250E-01            1  0.282690E-02           85  0.118160E+06            0.00          0.00

*** WARNING *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 8.98E-01.
    The fluid nodal coordinates are (0.00E+00, 2.26E-04, 1.07E+00)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

     ITE=     2   0.660572E-03  0.329948E-03            1  0.282891E-02           85  0.118111E+06            0.00          0.00
     -------------------------------------------------------------------------------------------------------------------------------
     RESTART DATA SAVED AT TIME   0.500000E+01


     INITIAL TIME..................................... =  0.50000000E+01
     TIME STEP LENGTH................................. =  0.20000000E+00
     TIME STEP........................................ =           26
     -------------------------------------------------------------------------------------------------------------------------------
     EQUILIBRIUM   RELATIVE RESIDUALS OF          MAXIMUM DISPLACEMENT          MAXIMUM STRESS            SOLUTION TIME TIMES
     ITERATION     DISPLACEMENT    STRESS       SOLID NODE     MAGNITUDE   SOLID NODE     MAGNITUDE      SOLID MODEL   FLUID MODEL
     -------------------------------------------------------------------------------------------------------------------------------

*** ERROR *** CODE ADF2704:

    Fluid node (label) 561 is not attached to boundary geometry 1.
    The relative distance to boundary cell 1 is 1.00E+00.
    The fluid nodal coordinates are (0.00E+00, 2.52E-04, 1.20E+00)
    The points and their coordinates of the boundary cell are:
        point       1 = ( 0.000E+00, 0.000E+00, 0.000E+00)
        point       2 = ( 0.000E+00, -1.20E+00, 0.000E+00)

    It is normal to have a small distance between fluid nodes and boundary
    geometry. The relative distance here is defined as the ratio of the
    distance between the fluid node and the closest boundary cell to the
    length of the cell.

    Note: The boundary geometry is internally generated by the program.



     ADFSI VERSION 8.4.2   (BUILT ON 03-23-2007)
     FOR PROBLEM: FSI problem                                                                     
     LICENSED FROM   A D I N A  R & D  INC.



     *************************************************************************************************************************
     *                                                                                                                       *
     *                                    S O L U T I O N   T I M E   L O G (IN SECONDS)                                     *
     *                                                                                                                       *
     *************************************************************************************************************************


              CPU IN PROGRAM CONTROL..........................................................        0.24
              CPU IN SOLID MODEL..............................................................        0.76
              CPU IN FLUID MODEL..............................................................       19.83
                 CPU IN INPUT PHASE...........................................................        0.50
                 CPU IN ASSEMBLY..............................................................       12.99
                 CPU IN SOLVER................................................................        4.02
                    IN SYMBOLIC FACTORIZATION.................................................        0.00
                    IN NUMERIC FACTORIZATION..................................................        3.70
                    IN GENERATION OF IRA......................................................        0.01
                    IN OTHER COMPUTATION IN SOLVER............................................        0.31
                 CPU IN MOVING-MESH COMPUTATION...............................................        0.40
                    IN BOUNDARY ALE...........................................................        0.00
                    IN DOMAIN ALE.............................................................        0.40
                 CPU IN OUTPUT................................................................        1.92

              T O T A L  S O L U T I O N  T I M E.............................................       20.83


好象是说节点561已经脱离约束了，然后我想直接把这个点赋予0速度值，然后错误就更多了，所以请问如何解决的

huangxin1395602

不错不错，学习呀·············

navy830411

学习一下，，，

laomi

感谢楼主，好人啊