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Õâ¶¯Íø¸ñÊÇÓÃC±àдµÄ µ«ÊÇÍø¸ñ²»»áѹËõ ÇëÎÊÄı߳öÁËÎÊÌâÄØ? #include "udf.h" DEFINE_GRID_MOTION(wind001,domain,dt,time,dtime) { Thread *tf = DT_THREAD(dt); face_t f; Node *v; real NV_VEC(omega),NV_VEC(axis),NV_VEC(dx); real NV_VEC(origin),NV_VEC(rvec); real sign; int n; /*set deforming flag on adjacent cell zone */ SET_DEFORMING_THREAD_FLAG(THREAD_TO(tf)); sign = -5.0 * sin (26.178 * time); Message ("time = %f, omega = %f\n", time, sign); NV_S(omega, =, 0.0); NV_D(axis, =, 0.0,1.0,0.0); NV_D(origin, =, 0.0, 0.0, 0.512); begin_f_loop(f,tf) { f_node_loop(f,tf,n) { v = F_NODE(f,tf,n); /* update node if x position is greater than 0.02 and that the current node has not been previously visited when looping through previous faces */ if (NODE_X(v) > 0.02 && NODE_POS_NEED_UPDATE (v)) { /* indicate that node position has been update so that it's not updated more than once */ NODE_POS_UPDATED(v); omega[1] = sign * pow (NODE_X(v)/0.230, 0.5); NV_VV(rvec, =,NODE_COORD(v), -,origin); NV_CROSS(dx, omega, rvec); NV_S(dx, *=, dtime); NV_V(NODE_COORD(v), +=, dx); } } } end_f_loop(f,tf); } |
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