Comsol Transient Heat 3-D, Data does not make sense
Comsol Transient Heat 3-D, Data does not make sense
(OP)
I'm working on a project to study the heat transfer of a connecting rod using comsol. Basically starting at a temperature above melting point of AISI steel 4340 and then cooling to room temperature. I'm using temperature dependent equations in my simulation; however, simulations show that it takes maybe 1*10^7 seconds for the model to cool.
As a check to make sure I'm using the software correctly, I modeled a simple cube 1x1x1 dimensions. Inserted constant properties for AISI 4340 material. Boundary conditions of convective heat transfer coefficient of 100 W/m^2*K. Surrounding temperature is room temperature. I ran the simulation for a time of 7200 seconds with steps of 1. I set an initial temperature of 1800 K.
A sliced plot shows that the interior of the cube is at ~1466K, while the exterior is at 900 K. I must be doing something fundamentally wrong with the software if a simple case does not work.....
As a check to make sure I'm using the software correctly, I modeled a simple cube 1x1x1 dimensions. Inserted constant properties for AISI 4340 material. Boundary conditions of convective heat transfer coefficient of 100 W/m^2*K. Surrounding temperature is room temperature. I ran the simulation for a time of 7200 seconds with steps of 1. I set an initial temperature of 1800 K.
A sliced plot shows that the interior of the cube is at ~1466K, while the exterior is at 900 K. I must be doing something fundamentally wrong with the software if a simple case does not work.....






RE: Comsol Transient Heat 3-D, Data does not make sense
RE: Comsol Transient Heat 3-D, Data does not make sense
Now I have to go back to the connecting rod model. If units are indeed the case for the long cool time, then something must have went wrong when I imported my solidworks CAD model into Comsol.
RE: Comsol Transient Heat 3-D, Data does not make sense
Hope this helps.
RE: Comsol Transient Heat 3-D, Data does not make sense
Thanks
RE: Comsol Transient Heat 3-D, Data does not make sense
Fe