Dynamic mesh error

June 8, 2007, 23:15

Hi,

I used dynamic mesh nad the below error occured:

Warning: negative cell volume detected! Error: Update dynamic mesh failed. Negative cell volume detected.

could anyone help me what to do with this?

Sham.

June 10, 2007, 15:35

hi i think this message is about ur mesh. i think u should use another type of cells depend ur Dynanic mesh setting. best

June 13, 2007, 05:23

Hi

When you enter the time step before computing, make sure it is such that the movement of the object in the time step is less than the max size of the cell. Try reducing the time step and checking.

Sid

June 8, 2007, 23:15	Dynamic mesh error	#1
Sham Guest Posts: n/a	Hi, I used dynamic mesh nad the below error occured: Warning: negative cell volume detected! Error: Update dynamic mesh failed. Negative cell volume detected. could anyone help me what to do with this? Sham.

June 10, 2007, 15:35	Re: Dynamic mesh error	#2
amir Guest Posts: n/a	hi i think this message is about ur mesh. i think u should use another type of cells depend ur Dynanic mesh setting. best

June 13, 2007, 05:23	Re: Dynamic mesh error	#3
Sid Guest Posts: n/a	Hi When you enter the time step before computing, make sure it is such that the movement of the object in the time step is less than the max size of the cell. Try reducing the time step and checking. Sid

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Compile problem	ivanyao	OpenFOAM Running, Solving & CFD	1	October 12, 2012 10:31
c++ libraries and solver compiling	vaina74	OpenFOAM Installation	13	February 3, 2012 18:43
OpenFOAM install on Ubuntu Natty 11.04	bkubicek	OpenFOAM	13	May 26, 2011 06:48
UDF: DEFINE_CG_MOTION for vertical jump motion of an electrode!	alban	Fluent UDF and Scheme Programming	2	June 8, 2010 19:54
How to get the max value of the whole field	waynezw0618	OpenFOAM Running, Solving & CFD	4	June 17, 2008 06:07