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TPT: A new unstable REALISTIC option. No guarantees - but more realistic behaviour. f41f96f598

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This commit is contained in:
Simon Robertshaw 2012-04-18 14:50:29 +01:00
parent 82a1933400
commit f84dc03c23
1 changed files with 10 additions and 4 deletions
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14
src/simulation/Simulation.cpp
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@ -2539,8 +2539,14 @@ void Simulation::update_particles_i(int start, int inc)
if (ptypes[t].diffusion)//the random diffusion that gasses have if (ptypes[t].diffusion)//the random diffusion that gasses have
{ {
#ifdef REALISTIC
//The magic number controlls diffusion speed
parts[i].vx += 0.05*sqrtf(parts[i].temp)*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += 0.05*sqrtf(parts[i].temp)*ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
#else
parts[i].vx += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vx += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f); parts[i].vy += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
#endif
} }
j = surround_space = nt = 0;//if nt is 1 after this, then there is a particle around the current particle, that is NOT the current particle's type, for water movement. j = surround_space = nt = 0;//if nt is 1 after this, then there is a particle around the current particle, that is NOT the current particle's type, for water movement.
@ -2571,8 +2577,8 @@ void Simulation::update_particles_i(int start, int inc)
//heat transfer code //heat transfer code
h_count = 0; h_count = 0;
#ifdef REALHEAT #ifdef REALISTIC
if (t&&(t!=PT_HSWC||parts[i].life==10)) if (t&&(t!=PT_HSWC||parts[i].life==10)&&ptypes[t].hconduct)
{ {
float c_Cm = 0.0f; float c_Cm = 0.0f;
#else #else
@ -2600,7 +2606,7 @@ void Simulation::update_particles_i(int start, int inc)
&&(rt!=PT_FILT||(t!=PT_BRAY&&t!=PT_PHOT&&t!=PT_BIZR&&t!=PT_BIZRG))) &&(rt!=PT_FILT||(t!=PT_BRAY&&t!=PT_PHOT&&t!=PT_BIZR&&t!=PT_BIZRG)))
{ {
surround_hconduct[j] = r>>8; surround_hconduct[j] = r>>8;
#ifdef REALHEAT #ifdef REALISTIC
c_heat += parts[r>>8].temp*96.645/ptypes[rt].hconduct*fabs(ptypes[rt].weight); c_heat += parts[r>>8].temp*96.645/ptypes[rt].hconduct*fabs(ptypes[rt].weight);
c_Cm += 96.645/ptypes[rt].hconduct*fabs(ptypes[rt].weight); c_Cm += 96.645/ptypes[rt].hconduct*fabs(ptypes[rt].weight);
#else #else
@ -2609,7 +2615,7 @@ void Simulation::update_particles_i(int start, int inc)
h_count++; h_count++;
} }
} }
#ifdef REALHEAT #ifdef REALISTIC
if (t == PT_PHOT) if (t == PT_PHOT)
pt = (c_heat+parts[i].temp*96.645)/(c_Cm+96.645); pt = (c_heat+parts[i].temp*96.645)/(c_Cm+96.645);
else else