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Forum: Fluent UDF and Scheme Programming

July 20, 2009, 08:16

Replies: 5

UDF for Herschel-Bulkely model

Views: 2,429

Posted By laurentb

i don't know exactly but it will be better to...

i don't know exactly but it will be better to write something like
if strain < strain_min then mu_lam=mu_min
if strain > strain_max then mu_lam=mu_max

Forum: Fluent UDF and Scheme Programming

June 22, 2009, 02:02

Replies: 5

UDF for Herschel-Bulkely model

Views: 2,429

Posted By laurentb

A power law index, K consistency add the yield...

A power law index, K consistency
add the yield stress in the definition of mu_lam
mu_lam=K*pow(gamma,(A-1)) + yield_stress/gamma;

Forum: Fluent UDF and Scheme Programming

June 17, 2009, 09:33

Replies: 5

UDF for Herschel-Bulkely model

Views: 2,429

Posted By laurentb

#include "udf.h" #include "mem.h" ...

#include "udf.h"
#include "mem.h"
DEFINE_PROPERTY(cell_viscosity, cell, thread)
{
real mu_lam;
real K=134.0;
real A=0.17;
real gamma;
real strain=C_STRAIN_RATE_MAG(cell, thread);...

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