How can I model Stefan problem (liquid to gas mass diffusion) in Fluent?

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Error message in Fluent while adding extra mass source through UDF?

Hi, I am trying to add extra mass source through UDF but getting this ERROR MESSAGE: Node 0: PROCESS 15088: Received signal SIGSEGV.Node 1: Process 16164: Received signal SIGSEGV.MPI Application...

01 February 2015 2,061 11 View

What is the equation for water evaporation mass transfer in a closed container?

Hi, I am modeling water evaporation in a closed container which is filled with water and air. I need the mass transfer rate equation which is vapor pressure and temperature dependent and reaches...

11 December 2014 8,549 5 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

J. Y. Alaydi

There is a helpful software called Chemcad

Almost all processes in chemical, petro-chemical, pharmaceutical, mechanical and environmental process technologies can be simulated with CHEMCAD

Senthil Kumar Parimalanathan

Alam,

You can use VOF model in fluent . Ansys13 , 14 has few inbuilt mass transfer model at the interface. But I dont know how accurate they are. You can probably write a UDF to model mass transfer.

Sumer Dirbude

You may model Stefan problem using VOF model of fluent with heat and mass transfer at the interface.