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liangjingqi

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[ÇóÖú] Çó´óÉñÃǰïÎÒ½â¶ÁÕâ¸öUDFµÄÒâ˼DEFINE_SDOF_PROPERTIES ÒÑÓÐ4È˲ÎÓë

/*******************************************************
   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";
}
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albert923

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ÒýÓûØÌû:
6Â¥: Originally posted by Stark2016 at 2018-02-02 20:20:02
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