I would like to simulate the following problem with ANSYS Workbench 16 (under flexible Dynamic) and defined at CFD. Transient natural convection with respect to the effects of two-way fluid-structure interaction is peresented in a square enclosure contaiting a thermal flexible baffle. The enclosure is filled with air of Prandtl number 0.71. Temperature is constant in both hot and cold vertical walls, and horizontal walls are adiabatic. While, flexible baffle is in initial temperature of zero degree, and clamped to the middle of the hot wall.
The commands used to convert solid elements to the thermal elements in transient structure is presented below:
et,matid,226,11
keyopt,matid,1,11
and
ic,all,temp,0 !as initial temperature.
So, there must be a heat transfer onto the solid, by natural convection around, but it did not.
Question:
Why temperature of the thermal flexible baffle and its environment remains constent at zero, by time passing? Although, we know that temperature of the baffle must change by time passage, And the temperature contour of natural convection must cut and go through the baffle. Where is the problem?
It should be noted that,verious K (Thermal conductivity) and Cp (heat capacity)for solid material is tested.
I'm so sorry if it becam too long. Thought its better to describe my problem. I attached a picture of my problem for you.
I think you need to check heat boundary condition on the flexible baffle. Check our web for further FSI information. http://fsl-unsw.com/
Please verify your boundary conditions. You have to introduce a variable temperature for the flexible baffle. Good luck.
Thank you for your response MR, Panayampilly abubucker abdul samad. My FSI config is like this. I want to temperature of my baffle change over time.It is possible for you to help me? I used command in transient structure. if you have any helpful file such as PDF or site address, which can help me, please share it.
Thanks in advance...
Thanks for your attention MR,Fang-Bao Tian. I saw your sent link address, but i could not find any PDF or educational subject.
Thank you for your useful response MR,Zoubair Boulahia . If i underestand you correctly you siad "have to introduce a variable temperature for the flexible baffle", but in fact i want to have a baffle in initial temperarure zero, and then its temperature change by time passage, not to introduce a variable temperature for the flexible baffle at difftent time by myself. I want to it happen by natural convection aroud the baffle. which commands should i used in transient structure to haven't constant thermal baffle? I attach a vedio file of my problem for you. I be please if you share more your knowledge.
First of all you need to know about physical properties of flexible baffle. The response of flexibility is important in this phenomena.
Thank you for your useful response MR, Panayampilly abubucker abdul samad.
It seems the temperature defined by yoursefl 5 degree to 5 degree by time step, but I want to it spontaneously change by time passage. I would be grate full if you guide me.
Thanks in advance...
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