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[ÇóÖú] fluentÄ£Äâ´«Öʹý³Ì ÒÑÓÐ2È˲ÎÓë

¸÷λ×ö¹ý´«ÖÊÄ£ÄâµÄ̳ÓÑÃÇ´ó¼ÒºÃ£¬ÎÒÄ£ÄâµÄÊǵªÆøºÍ¶þÑõ»¯Ì¼ÔÚË®ÖÐÉÏÉý¹ý³Ì£¬ÆøÅÝÊÇÎÒÓÃpatchʵÏֵġ£ÒÔÏÂÊÇÎÒ±àдµÄ¶þÑõ»¯Ì¼Èܽâ¹ý³ÌµÄudf:
#include "udf.h"
#define H 0.39   /*¶¨Òå¶þÑõ»¯Ì¼Èܽâ¶ÈϵÊý*/
#define module_weight 44. /*¶¨Òå¶þÑõ»¯Ì¼µÄĦ¶ûÖÊÁ¿*/
#define density_CO2 1.7878 /*¶¨Òå¶þÑõ»¯Ì¼µÄÃܶÈ*/
DEFINE_MASS_TRANSFER(liq_gas_transfer, cell, thread, from_index,from_species_index, to_index, to_species_index)
{
    real m_lg,pressure_gas;
    Thread *gas, *liq;
    gas = THREAD_SUB_THREAD(thread, from_index);  /*»ñÈ¡ÆøÏàÖ¸Õë*/
    liq = THREAD_SUB_THREAD(thread, to_index);    /*»ñȡҺÏàÖ¸Õë*/
    pressure_gas =C_R(cell,gas)/density_O2*C_YI(cell,gas,0)*C_P(cell,gas);   /*»ñÈ¡ÆøÏàÖжþÑõ»¯Ì¼µÄѹÁ¦*/
    m_lg = module_weight*(H*pressure_gas-C_YI(cell,liq,0)*C_R(cell,liq)/module_weight)*log(H*pressure_gas/(H*pressure_gas-C_YI(cell,liq,0)
                *C_R(cell,liq)/module_weight))/(CURRENT_TIMESTEP+0.000000000001);   /*»ñÈ¡ÑõÆø´«ÖÊËÙÂÊ£¬µ¥Î»Îªkg/m3s*/
    return m_lg;
}
µü´ú¿ªÊ¼³öÏÖError: Floating point error: invalid number

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2Â¥2016-01-11 10:21:15
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´¿´âС°×£¬Ö»ÊÇ·¢ÏÖ pressure_gas =C_R(cell,gas)/density_O2*C_YI(cell,gas,0)*C_P(cell,gas);Õâ¾äÀïdensity_O2Ó¦¸ÃÊÇdensity_CO2°É
3Â¥2016-01-28 11:22:31
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