Do you have an example for such an instability?
Bernd
Search found 1506 matches
- Wed Nov 25, 2009 12:31 pm
- Forum: phase-field model
- Topic: Particle pinning
- Replies: 15
- Views: 15177
- Wed Nov 25, 2009 12:27 pm
- Forum: post-processing
- Topic: plot concentration and phase boundary together
- Replies: 3
- Views: 3996
Re: plot concentration and phase boundary together
Hi ning, The most simple way would be to draw isolines at a given composition which corresponds (approximately) to the value in the middle of the phase boundary. This works only sufficiently well if the difference between the concentrations of the present phases is much bigger than the variance insi...
- Wed Nov 25, 2009 11:47 am
- Forum: post-processing
- Topic: interface output
- Replies: 5
- Views: 3725
Re: interface output
In the .intf output??????
I can imagine this only if n is very high so that you do not see the steps! But still...
Bernd
I can imagine this only if n is very high so that you do not see the steps! But still...
Bernd
- Tue Nov 24, 2009 3:27 pm
- Forum: post-processing
- Topic: interface output
- Replies: 5
- Views: 3725
Re: interface output
Dear ning, The .intf is an integer output which is equal 1 in dual interfaces 3 in triple junctions 6 in quadruple junctions 10 in quintuple junctions ... according to the number of combinations of pair-wise phase (grain) interactions. It is defined in all regions where the fractions are between phM...
- Tue Nov 24, 2009 3:15 pm
- Forum: phase-field model
- Topic: Particle pinning
- Replies: 15
- Views: 15177
Re: Particle pinning
Dear mtoloui, It is true that due to a variation of the evaluated curvature across the interface you may get an only partial pinning of the interface in a certain position. But this is not "unstable" because there is no positive feed-back - to the contrary there is a negative feed-back, because loca...
- Mon Nov 23, 2009 12:02 pm
- Forum: phase-field model
- Topic: Para-equilibrium growth in MICRESS
- Replies: 3
- Views: 2813
Re: Para-equilibrium growth in MICRESS
Dear Krishnendu, currently, normal (ortho-)equilibrium is calculated. But because of the slow diffusion of interstitial elements in steels, the pile-up of these elements is "overrun" by the thick interface. The behaviour which is predicted by MICRESS under these conditions is typically between NPLE ...
- Mon Nov 23, 2009 9:04 am
- Forum: new functionalities
- Topic: paraequilibrium/nple
- Replies: 2
- Views: 7380
Re: paraequilibrium/nple
Hi all, the model for NPLE mentioned above has been considerably improved. The third parameter for a smooth transition between different regimes is no longer necessary. The "pseudo"-para-equilibrium model (which was only relying on the redistribution behaviour) is now replaced by a new approach whic...
- Mon Nov 23, 2009 8:55 am
- Forum: phase-field model
- Topic: Para-equilibrium growth in MICRESS
- Replies: 3
- Views: 2813
Re: Para-equilibrium growth in MICRESS
Dear Krishnendu,
The Para-equilibrium condition using Thermo-Calc has been implemented in MICRESS recently. It will probably be available to beta testers with the next release which is planned to come soon. There is still need for testing, unfortunately it works only with TQ version S.
Bernd
The Para-equilibrium condition using Thermo-Calc has been implemented in MICRESS recently. It will probably be available to beta testers with the next release which is planned to come soon. There is still need for testing, unfortunately it works only with TQ version S.
Bernd
- Tue Nov 17, 2009 9:04 am
- Forum: phase-field model
- Topic: Categorization
- Replies: 5
- Views: 6070
Re: Categorization
Dear mtoloui, If you are using a deterministic or random initial grain structure, there is presently no direct way of manually assigning identical grain numbers to different grains. But if you are reading in the initial grain structure from file, you can of course assign the grain numbers like you w...
- Fri Nov 13, 2009 12:19 pm
- Forum: solidification
- Topic: The temperature trend
- Replies: 1
- Views: 2549
Re: The temperature trend
Hi sunny! The option "sinus" in the temperature trend is a remnant from older times and is currently not working. It will be removed completely in the next release of MICRESS. The most simple way to specify a temperature trend is just to input an initial temperature, a cooling rate and a temperature...