基础知识:稀疏媒体流LS-DYNA模拟显示简单ICFD异向多孔媒体流输入甲板与原创圆柱流相比,圆柱流现在代表多孔介质流出,流出允许流出缓慢流出多维介质模型可用 本例子使用为Ergun关联//www.cannycloudtech.com/icfd/basics-examples/porous_media//www.cannycloudtech.com/@@site-logo/LS-DYNA-Examples-Logo480x80.png
基础知识:稀疏媒体流
LS-DYNA模拟显示简单ICFD异向多孔媒体流输入甲板与原创圆柱流相比,圆柱流现在代表多孔介质流出,流出允许流出缓慢流出多维介质模型可用 本例子使用为Ergun关联
LS-DYNA模拟显示简单ICFD异向多孔媒体流输入甲板与原创圆柱流相比,圆柱流现在代表多孔介质流出,流出允许流出缓慢流出多维介质模型可用 本例子使用为Ergun关联
流速边缘
*DATABASE_BINARY_D3PLOT *DEFINE_CURVE_TITLE *END *ICFD_BOUNDARY_FREESLIP *ICFD_BOUNDARY_PRESCRIBED_PRE *ICFD_BOUNDARY_PRESCRIBED_VEL *ICFD_BOUNDARY_NONSLIP *ICFD_CONTROL_TIME *ICFD_DATABASE_DRAG_VOL *ICFD_MAT *ICFD_MODEL_POROUS *ICFD_PART *ICFD_PART_VOL *ICFD_SECTION *INCLUDE *KEYWORD *MESH_INTERF *MESH_SURFACE_ELEMENT *MESH_SURFACE_NODE *MESH_VOLUME *PARAMETER *TITLE
18luck快乐彩Uniteds-LSSC-LSST-E-Mail-info@de-web:http://www.dyamore.de$ $X------------------------------------------------------------------------------ $X $X 1.运行文件原封不动US-DYNAMPR9.0(或更高级)双精度X-X--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------$X------------------------------------------------------------------------------ $X *KEYWORD *TITLE ICFD Porous media flow *INCLUDE mesh.k $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $ $ $ PARAMETERS $ $ $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *PARAMETER R T_end 100.0 R dt_plot 1.00 $ $--- Fluid $ R v_inlet 1.0 Rrho_fluid 1.0 R mu_fluid 0.005 R dt_fluid 0.000 Rpor_fluid 0.8 Rper_fluid 0.01 $ $---+----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 $---+----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_MAT $# mid flg ro vis 2 1&rho_fluid &mu_fluid $# hc tc $# nnmoid pmmoid 1 *ICFD_MODEL_POROUS $# pmmoid pmid 1 1 $# por per &por_fluid&per_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 2 *ICFD_PART_VOL $# pid secid mid 10 1 1 $# spid1 spid2 spid3 spid4 1 2 3 4 *ICFD_PART_VOL $# pid secid mid 20 1 2 $# spid1 spid2 spid3 spid4 4 $---+----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 *DEFINE_CURVE_TITLE Velocity inlet $# lcid sidr sfa sfo offa offo dattyp 1 &v_inlet $# a1 o1 0.0 1.0 10000.0 1.0 *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 1 2 3 *MESH_INTERF $# vpid 10 $# pid 4 $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 $ $ $ DATABASE (OUTPUT) $ $ $ $---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8 *ICFD_DATABASE_DRAG_VOL $# pid 20 *DATABASE_BINARY_D3PLOT $# dt &dt_plot *END