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udf 6dof¶¯Íø¸ñÄ£ÄâÔ˶¯
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ÎÒÏëÖªµÀÔÚDEFINE_SDOF_PROPERTIES(sixDOF, prop, dt, time, dtime)ÖУ¬ÈçºÎÖ±½Ó»ñµÃÖÊÐÄCGλÖá¢ËٶȺͽÇËÙ¶È£¿ ÓÃ6dof¿ÉÒÔÄ£ÄâÆ¯Á÷µ«ÊDz»Äܹ»ÊµÊ±ÖªµÀÖÊÐÄCGλÖá¢ËٶȺͽÇËÙ¶È¡£ Õâ¸öÀý×ÓºÃÏñÒ²²»ÄܵóöËٶȺͽÇËÙ¶È£¬ÓÐûÓÐÈ˶ÔÕâ¸öÀý×ÓÊìϤµÄ¿ÉÒÔ½²½âһϡ£Ï£Íû¸÷λÌÖÂÛÌÖÂÛ¡£ #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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