单机四核udf并行计算时编译错误

潇叶飞扬

这是源代码：
/***************************************************************
   UDF for customizing the default Syamlal drag law in Fluent  
****************************************************************/
   
#include "udf.h"

#define pi 4.*atan(1.)
#define diam2 3.e-4

DEFINE_EXCHANGE_PROPERTY(custom_drag3,cell,mix_thread,s_col,f_col)
{
Thread *thread_g, *thread_s;
real x_vel_g, x_vel_s, y_vel_g, y_vel_s, abs_v, slip_x, slip_y,
      rho_g, rho_s, mu_g, reyp, afac,
      bfac, void_g, vfac, fdrgs, taup, k_g_s;

/* find the threads for the gas (primary) */
/* and solids (secondary phases)          */

thread_g = THREAD_SUB_THREAD(mix_thread, s_col);/* gas phase  */
thread_s = THREAD_SUB_THREAD(mix_thread, f_col);/* solid phase*/

/* find phase velocities and properties*/

x_vel_g = C_U(cell, thread_g);
y_vel_g = C_V(cell, thread_g);

x_vel_s = C_U(cell, thread_s);
y_vel_s = C_V(cell, thread_s);



rho_g = C_R(cell, thread_g);
rho_s = C_R(cell, thread_s);

mu_g = C_MU_L(cell, thread_g);

/*compute slip*/
slip_x = x_vel_g - x_vel_s;
slip_y = y_vel_g - y_vel_s;
abs_v = sqrt(slip_x*slip_x + slip_y*slip_y);

/*compute Reynold's number*/

reyp = rho_g*abs_v*diam2/mu_g;

/* compute particle relaxation time */

taup = rho_s*diam2*diam2/18./mu_g;

void_g = C_VOF(cell, thread_g);/* gas vol frac*/

/*compute drag and return drag coeff, k_g_s*/

afac = pow(void_g,4.14);

if(void_g<=0.85)
  bfac = 0.281632*pow(void_g, 1.28);
else
  bfac = pow(void_g, 9.076960);

vfac = 0.5*(afac-0.06*reyp+sqrt(0.0036*reyp*reyp+0.12*reyp*(2.*bfac-
              afac)+afac*afac));
fdrgs = void_g*(pow((0.63*sqrt(reyp)/
                            vfac+4.8*sqrt(vfac)/vfac),2))/24.0;

k_g_s = (1.-void_g)*rho_s*fdrgs/taup;

return k_g_s;

}

单机四核并行计算编译时提示错误：error:C compiler cannot execute cpp-I“c:\fluent.inc\...",
这种情况改怎么修改呢