中间值:流过弹性屋顶

流速边缘

18luck快乐彩Uniteds-LSSC-LSST-E-Mail-info@de-web:http://www.dyamore.de$ $X------------------------------------------------------------------------------ $X $X 1.运行文件原封不动$X    Requires LS-DYNA MPP R8.0.0 (or higher) with double precision  $X $X------------------------------------------------------------------------------ $# UNITS: (kg/m/s) $X------------------------------------------------------------------------------ $X *KEYWORD *TITLE ICFD Flow over a building with elastic membrane roof $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                             PARAMETERS                                       $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *PARAMETER R    T_end      50.0 R  dt_plot      0.25 R   fsi_bt       20.美元流出Rvmax35Rrho_fluid      1.18 R mu_fluid       0.1  R dt_fluid     0.005 *INCLUDE mesh.k *INCLUDE struc.k $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                           ICFD CONTROL CARDS                                 $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *ICFD_CONTROL_TIME $#     ttm        dt     &T_end &dt_fluid *ICFD_CONTROL_FSI $#     owc        bt          0   &fsi_bt *ICFD_CONTROL_OUTPUT $#    mslv          4 *ICFD_CONTROL_LOAD $#     abl           $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                       ICFD PARTS/ SECTION/ MATERIAL                          $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *ICFD_SECTION $#     sid             1 *ICFD_MAT $#     mid       flg        ro       vis                    1         1&rho_fluid &mu_fluid        *ICFD_PART $#     pid     secid       mid           1         1         1 *ICFD_PART $#     pid     secid       mid           2         1         1 *ICFD_PART $#     pid     secid       mid           3         1         1 *ICFD_PART $#     pid     secid       mid           4         1         1 *ICFD_PART $#     pid     secid       mid           5         1         1 *ICFD_PART $#     pid     secid       mid           6         1         1 *ICFD_PART $#     pid     secid       mid           7         1         1 *ICFD_PART $#     pid     secid       mid           8         1         1 *ICFD_PART_VOL $#     pid     secid       mid          10         1         1 $#   spid1     spid2     spid3     spid4     spid5     spid6     spid7     spid8          1         2         3         4         5         6         7         8 $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                    ICFD BOUNDARY/INITIAL CONDITIONS                          $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *ICFD_BOUNDARY_PRESCRIBED_VEL $#     pid       dof       vad      lcid                 1         1         1         1       *ICFD_BOUNDARY_PRESCRIBED_VEL $#     pid       dof       vad      lcid                 1         2         1         2        *ICFD_BOUNDARY_PRESCRIBED_PRE $#     pid      lcid        sf     death     birth               2         2      *ICFD_BOUNDARY_FREESLIP $#     pid             3 *ICFD_BOUNDARY_NONSLIP $#     pid             4 *ICFD_BOUNDARY_NONSLIP $#     pid             5 *ICFD_BOUNDARY_NONSLIP $#     pid             6 *ICFD_BOUNDARY_NONSLIP $#     pid             7 *ICFD_BOUNDARY_NONSLIP $#     pid             8 *ICFD_BOUNDARY_FSI $#     pid             6   *DEFINE_FUNCTION $#    dfid          1 $# function float h(float y, float time) {  float fac,trise!Trise=2fac=1.0返回 v_max*(y/350)**0.22}   *DEFINE_CURVE_TITLE Pressure outlet $#    lcid      sidr       sfa       sfo      offa      offo    dattyp          2 $#                a1                  o1                  0.0                 0.0              10000.0                 0.0 $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                            ICFD MESH KEYWORDS                                $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *MESH_VOLUME $#   volid              10 $#    pid1      pid2      pid3      pid4      pid5      pid6      pid7      pid8                   1         2         3         4         5         6         7         8 *MESH_BL $#     pid     nelth          6         1 $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $                                                                              $ $                             DATABASE (OUTPUT)                                $ $                                                                              $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *ICFD_DATABASE_DRAG $#     pid          5 *ICFD_DATABASE_DRAG $#     pid          6 *ICFD_DATABASE_DRAG $#     pid          7 *ICFD_DATABASE_POINTOUT $#   outlv          1 $#     pid         x         y         z          1      67.5       5.3 *DATABASE_BINARY_D3PLOT &dt_plot *END

空气流经大楼预加重非线性振荡因流体结构交互粘度人工提高以避免非线性动荡

参考文献

[1]BHubner编辑Walhorn和Ddinkler,“单词法使用空间-时间有限元素对流体-结构交互作用”,应用机械学和工程计算机方法,vol.193号23-26页2087-2104,2004