How to change the default size (1 micrometer) for 'massless' particle type in DPM?

BubbleGuy · June 8, 2015, 07:18

I am new to both FLUENT and this discussion forum. So please kindly excuse me for being a sophomore.

I have been trying to use DPM to study the flow of a single bubble through a geometry and to further extend it to study bubble dynamics.

I have chosen particle type as 'Massless'.

After running the simulations, the particle diameter was shown as 1 micrometer by default.

Is there an option to change the default size of the particle of 'massless' type?

edoan · June 12, 2015, 08:35

A massless particle is essentially just following a streamline of the flow, there is no force exerted on it. what do you want to achieve by making it bigger?

BubbleGuy · June 15, 2015, 07:47

Well.. that was a no brainer from my side. I dint know that no force acts on 'massless' particle type. I figured it out, after posting this question, from the FLUENT User Guide.

Thanks for your reply. I really appreciate it!

June 8, 2015, 07:18	How to change the default size (1 micrometer) for 'massless' particle type in DPM?	#1
BubbleGuy New Member Vishnu Join Date: Jun 2015 Posts: 2 Rep Power: 0	I am new to both FLUENT and this discussion forum. So please kindly excuse me for being a sophomore. I have been trying to use DPM to study the flow of a single bubble through a geometry and to further extend it to study bubble dynamics. I have chosen particle type as 'Massless'. After running the simulations, the particle diameter was shown as 1 micrometer by default. Is there an option to change the default size of the particle of 'massless' type?

June 12, 2015, 08:35		#2
edoan Member Ethan Doan Join Date: Oct 2012 Location: Canada Posts: 90 Rep Power: 13	A massless particle is essentially just following a streamline of the flow, there is no force exerted on it. what do you want to achieve by making it bigger? CeesH likes this.

June 15, 2015, 07:47		#3
BubbleGuy New Member Vishnu Join Date: Jun 2015 Posts: 2 Rep Power: 0	Well.. that was a no brainer from my side. I dint know that no force acts on 'massless' particle type. I figured it out, after posting this question, from the FLUENT User Guide. Thanks for your reply. I really appreciate it! edoan likes this.

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