# would someone give me a example of udf for 6DOF?

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 October 17, 2005, 03:43 would someone give me a example of udf for 6DOF? #1 conan Guest   Posts: n/a would someone give me a example of udf for 6DOF calculation? best regard

 October 27, 2005, 15:21 Re: would someone give me a example of udf for 6DO #2 shiva Guest   Posts: n/a dude, isnt it there on fluent site, cutomer-support web-page? Sai

 November 3, 2005, 20:11 Re: would someone give me a example of udf for 6DO #3 Maciej Guest   Posts: n/a #include "udf.h" DEFINE_SDOF_PROPERTIES(stage, prop, dt, time, dtime) { prop[SDOF_MASS] = 1; prop[SDOF_IXX] = 1.333e-4; prop[SDOF_IYY] = 1.333e-4; prop[SDOF_IZZ] = 1.333e-4; } * * * * * where SDOF_MASS - mass of the element, SDOF_IXX,YY,ZZ - moment of inertia.

January 24, 2011, 22:10
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Baiqiu
Join Date: Jan 2011
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Quote:
 Originally Posted by Maciej ;125806 #include "udf.h" DEFINE_SDOF_PROPERTIES(stage, prop, dt, time, dtime) { prop[SDOF_MASS] = 1; prop[SDOF_IXX] = 1.333e-4; prop[SDOF_IYY] = 1.333e-4; prop[SDOF_IZZ] = 1.333e-4; } * * * * * where SDOF_MASS - mass of the element, SDOF_IXX,YY,ZZ - moment of inertia.

using the code above, i got a message: 6dof must have a positive mass,,
can you explain it,,thank you!

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