ÈçÌ⣬ÔÚÍøÉÏÕÒµ½´óÏÀÌṩµÄUDF³ÌÐò£¬ÔÚFLUENT±àÒëͨ¹ýÁË£¬ÓÐliq_src¡¢vap_src¡¢enrg_srcÈý²¿·Ö£¬ÎÒÑ¡ÔñMIXTURE»òVOFÄ£ÐÍ£¬ÔÚphases interactionsÑ¡ÔñÁ½¸öÖÊÁ¿×ªÒÆ£¬Ò»¸öÊÇÒºÏൽÆøÏ࣬×Ô¶¨ÒåÑ¡Ôñliq_src£¬ÁíÒ»¸öÊÇÆøÏൽҺÏ࣬×Ô¶¨ÒåÑ¡Ôñvap_src£¬È»ºóÔÚsource terms µÄÄÜÁ¿ÏîÑ¡ÔñÁËenrg_src£¬½á¹û³õʼ»¯³öÏÖÈçÏÂÎÊÌ⣺
Error:
FLUENT received fatal signal (ACCESS_VIOLATION)
1. Note exact events leading to error.
2. Save case/data under new name.
3. Exit program and restart to continue.
4. Report error to your distributor.
Èç¹ûphases interactions²»Ñ¡Ôñ×Ô¶¨Ò壬¶øÁ½¸ö¶¼Ñ¡Ôñevaporation-condensation£¬È»ºóÔÚsource terms µÄÄÜÁ¿ÏîÑ¡ÔñÁËenrg_src£¬³õʼ»¯Ã»ÓгöÏÖÎÊÌ⣬µ«ÊÇ×îºóµÄ½á¹ûÊÇˮȫ²¿±ä³ÉË®ÕôÆû£¬Ë®ÕôÆøûÓбä³ÉË®¡£
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UDF³ÌÐòÈçÏ£º
#include "udf.h" /*°üÀ¨³£¹æºê*/
#include "sg_mphase.h" /*°üÀ¨Ìå»ý·ÖÊýºê*/
#define T_SAT 373.15 /*¶¨Òå±¥ºÍζÈ*/
#define LAT_HT 2.25e6 /*¶¨ÒåË®ÕôÆûDZÈÈ*/
DEFINE_SOURCE(liq_src, cell, pri_th, dS, eqn) /*¶¨ÒåÒºÏàÔ´Ïî*/
{
Thread *mix_th, *sec_th; /*»ìºÏÏà¡¢µÚ¶þÏà ¶¨Òå¼ÆËãÇøÓòÖ¸Õë*/
real m_dot_l; /*Õô·¢ÀäÄýËÙÂÊ ¶¨ÒåÒºÏàÖÊÁ¿×ªÒÆ*/
mix_th = THREAD_SUPER_THREAD(pri_th); /*Ö¸Ïò»ìºÏÇøµÄÖ÷Ï༴ҺÏàµÄÖ¸Õë*/
sec_th = THREAD_SUB_THREAD(mix_th, 1); /* Ö¸Ïòµ¥Ïà¿ØÖÆÇøµÄÆøÏàµÄÖ¸Õë*/
if(C_T(cell, mix_th)>=T_SAT){
m_dot_l = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) - T_SAT)/T_SAT; /*Èç¹ûÒºÏ൥ԪµÄζȸßÓÚÕô·¢Î¶ȣ¬ÒºÏàÏòÆøÏàµÄÖÊÁ¿×ªÒÆ*/
dS[eqn] = -0.1*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) - T_SAT)/T_SAT; /*¶¨ÒåÔ´Ïî¶ÔÖÊÁ¿×ªÒÆÆ«µ¼*/
}
else {
m_dot_l = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
dS[eqn] = 0; /*ÓÚÊÇÆøÏàÏòÒºÏàתÒÆ£¬ËùÒÔÒºÏàµÄÖÊÁ¿Ô´Ïî¶ÔÖÊÁ¿×ªÒƵÄÆ«µ¼ÎªÁã*/
}
return m_dot_l;
}
DEFINE_SOURCE(vap_src, cell, sec_th, dS, eqn) /*¶¨ÒåÆøÏàÔ´Ïî*/
{
Thread * mix_th, *pri_th; /*»ìºÏÏà¡¢µÚÒ»Ïà*/
real m_dot_v;
mix_th = THREAD_SUPER_THREAD(sec_th); /*Ö¸Ïò»ìºÏÇøµÄµÚ¶þÏ༴ÆøÏàµÄÖ¸Õë*/
pri_th = THREAD_SUB_THREAD(mix_th, 0); /*Ö¸Ïòµ¥Ïà¿ØÖÆÇøµÄÒºÏàµÄÖ¸Õ룬ҺÏàΪÖ÷Ïà*/
if(C_T(cell, mix_th)>=T_SAT){
m_dot_v = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; /*Èç¹û»ìºÏÇøµ¥ÔªµÄζȸßÓÚÕô·¢Î¶ȣ¬ÒºÏàÏòÆøÏàµÄÖÊÁ¿ÖÊÁ¿×ªÒÆ*/
dS[eqn] = 0; /*ÓÉÓÚÊÇÒºÏàÏòÆøÏàתÒÆ£¬ËùÒÔÆøÏàµÄÖÊÁ¿Ô´Ïî¶ÔÀ´×ÔÒºÏàµÄÖÊÁ¿×ªÒƵÄÆ«µ¼ÎªÁã*/
}
else {
m_dot_v = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
dS[eqn] = -0.1*C_R(cell, sec_th)*
fabs(C_T(cell, sec_th) - T_SAT)/T_SAT; /*ÓÉÓÚÊÇÆøÏàÏòÒºÏàתÒÆ£¬ËùÒÔÆøÏàµÄÖÊÁ¿Ô´Ïî¶Ô×ÔÉíµÄÖÊÁ¿×ªÒƵÄÆ«µ¼²»ÎªÁã*/
}
return m_dot_v;
}
DEFINE_SOURCE(enrg_src, cell, mix_th, dS, eqn) /*»ìºÏÄ£ÐÍÄÜÁ¿Ô´Ïî*/
{
Thread *pri_th, *sec_th;
real m_dot;
pri_th = THREAD_SUB_THREAD(mix_th, 0); /*Ö¸Ïò»ìºÏÇøµÄÒºÏàµÄÖ¸Õë*/
sec_th = THREAD_SUB_THREAD(mix_th, 1); /*Ö¸Ïò»ìºÏÇøµÄÆøÏàµÄÖ¸Õë*/
if(C_T(cell, mix_th)>=T_SAT){
m_dot = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) - T_SAT)/T_SAT; /*Èç¹û»ìºÏÇøµÄµ¥ÔªÎ¶ȸßÓÚÕô·¢Î¶ȡ£ÖÊÁ¿×ªÒÆÓÉÒºÏàÏòÆøÏàתÒÆ£¬ÎüÈÈ£¬ÖÊÁ¿×ªÒÆÁ¿Ç°ÓиººÅ*/
dS[eqn] = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)/T_SAT;
}
else {
m_dot = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
dS[eqn] = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)/T_SAT;} /*Ïà·´£¬ÆøÏàÏòÒºÏàתÒÆÔò·ÅÈÈ*/
return LAT_HT*m_dot; /*ÄÜÁ¿´óСÆø»¯Ç±ÈÈÓëÖÊÁ¿×ªÒÆÂÊÏà³ËµÃÄÜÁ¿Ô´Ïî*/
} |