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Çó´óÉñÃǰïÎÒ½â¶ÁÕâ¸öUDFµÄÒâ˼DEFINE_SDOF_PROPERTIES ÒÑÓÐ4È˲ÎÓë
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/******************************************************* SDOF property compiled UDF with external forces/moments *******************************************************/ #include "udf.h" DEFINE_SDOF_PROPERTIES(delta_missile, prop, dt, time, dtime) { prop[SDOF_MASS] = 907.185; prop[SDOF_IXX] = 27.116; prop[SDOF_IYY] = 488.094; prop[SDOF_IZZ] = 488.094; /* add injector forces, moments */ { register real dfront = fabs (DT_CG (dt)[2] - (0.179832*DT_THETA (dt)[1])); register real dback = fabs (DT_CG (dt)[2] + (0.329184*DT_THETA (dt)[1])); if (dfront <= 0.100584) { prop[SDOF_LOAD_F_Z] = 10676.0; prop[SDOF_LOAD_M_Y] = -1920.0; } if (dback <= 0.100584) { prop[SDOF_LOAD_F_Z] += 42703.0; prop[SDOF_LOAD_M_Y] += 14057.0; } } printf ("\ndelta_missile: updated 6DOF properties" ;} ÕâÊÇfluent°ïÖúÀïÃæµÄÒ»¸öÀý×Ó£¬Ç°ÃæµÄÖÊÁ¿ºÍת¶¯¹ßÁ¿ÎÒÖªµÀÅÜ£¬ºóÃæ¼ÓÍâÁ¦µÄÎÒʵÔÚ¿´²»¶®£¬Çó½â¶Á |
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Stark2016
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ÄãºÃ ²»Ì«Ã÷°×fabs (DT_CG (dt)[2] +0.329184*DT_THETA (dt)[1])); Õâ¸ö¾àÀëΪʲôÊÇÕâôËãµÄ£¿Ð»Ð» |

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