Simulation Conditions:

Liquid Crystal/Flexible Polymer Mixture for Model 0


We run the program named elsie, created by S.A. Langer, to determine how phase ordering affects a short liquid-crystal/long flexible polymer mixture undergoing phase separation.

Example on how to read the following lists: 

	A1: 	  phi0=0.76 	 T=1.08 (A1p)

A1 refers to the suffix of files related to this run.
phi0=0.76 is the initial phi value.
T=1.08 is the temperature to which the system is quenched.
A1p is a run with similar initial conditions as that of A1. The difference is that for A1p we set the orientational order parameter to zero and suppress any evolution in this order parameter. Thus, our free energy reduces to the Flory-Huggins free energy. The mixture now consists of flexible polymer chains in an isotropic solvent.

The system has a lattice size of 100x100 (unless noted otherwise) and always begins as an isotropic, homogeneous mixture. Snapshots of many of these runs can be viewed. Also, we examine four particular quenches.



"A" RUNS

     A1: 	    phi0=0.76     T=1.08     (A1p)
     A2: 	    phi0=0.76     T=0.95     (A2p3)
     A3: 	    phi0=0.68     T=1.08
     A4: 	    phi0=0.68     T=0.95     (A4p2)
     A5: 	    phi0=0.68     T=1.01
     A6: 	    phi0=0.65     T=0.75
     A7: 	    phi0=0.97     T=0.80
     A8: 	    phi0=0.85     T=0.40
     A9: 	    phi0=0.55     T=0.50
     A10: 	    phi0=0.50     T=0.50
     A11: 	    phi0=0.76     T=0.75     (A11p)
     A12:	    phi0=0.97     T=0.50

Runs initially unstable to phase separation (PS): A1-A6, A9-A11
Runs initially unstable to phase ordering (PO): A7
Runs initially unstable to both PS and PO: A8

Sources**:
~glotzer/lcp/1997/RUNS/A:
~lapena/LCP_runs/A4-runs-aml/
~lapena/LCP_runs/A4p-runs/ (Flory-Huggins free energy)
/hosts/lurch/vol1/data/lapena/LCP-A-RUNS-OTHER/
/hosts/lurch/vol1/data/lapena/LCP-AP-RUNS-OTHER/ (Flory-Huggins free energy)
/hosts/lurch/vol1/data/lapena/LCP-A2-RUNS/
/hosts/lurch/vol1/data/lapena/LCP-A2P-RUNS/ (Flory-Huggins free energy)



"B" RUNS

     B1: 	          phi0=0.90     T=0.85     (B1p)
     B2: 	          phi0=0.87     T=0.85     (B2p)
     B3: 	          phi0=0.95     T=0.99
     B4: 	          phi0=0.75     T=0.50
     B5: 	          phi0=0.76     T=0.50     (B5p)
     B6: 	          phi0=0.91     T=0.50
     B7: 	          phi0=0.90     T=1.10
     B8: 	          phi0=0.95     T=0.25
     B9-r2:	      	  phi0=0.95     T=1.01
     B10-r2:      	  phi0=0.95     T=1.08

Runs initially unstable to PO: B1, B3, B9-r2, B10-r2
Runs initially unstable to PS and PO: B2, B4-B6, B8
Runs initially stable to PS and PO: B7

Sources**:
~lapena/LCP_runs/B6-runs/
~lapena/LCP_runs/B6p-runs/ (Flory-Huggins free energy)
~lapena/LCP_runs/B-runs-other/
~lapena/LCP_runs/pmer-runs-other/ (Flory-Huggins free energy)
/hosts/lurch/vol1/data/lapena/LCP-B-RUNS-OTHER/
/hosts/lurch/vol1/data/lapena/LCP-B2-RUNS/
/hosts/lurch/vol1/data/lapena/LCP-B5-RUNS/



"C" RUNS

     C1: 	  phi0=0.65     T=0.50     (C1p)
     C2: 	  phi0=0.85     T=0.75     (C2p)
     C3: 	  phi0=0.65     T=0.40
     C4: 	  phi0=0.85     T=0.50     (C4p)
     C5: 	  phi0=0.65     T=0.25
     C6: 	  phi0=0.85     T=0.25
     C7: 	  phi0=0.76     T=0.25
     C8: 	  phi0=0.85     T=0.95     (C8p)
     C9: 	  phi0=0.65     T=0.95

Runs initially unstable to PS: C1, C9
Runs initially unstable to PS and PO: C2-C7

Sources**:
~lapena/LCP_runs/C4-runs/
~lapena/LCP_runs/C4p-runs/ (Flory-Huggins free energy)
~lapena/LCP_runs/C-runs-other/
~lapena/LCP_runs/pmer-runs-other/ (Flory-Huggins free energy)



"e" RUNS

     e2: 	  phi0=0.48     T=0.50
     e4: 	  phi0=0.45     T=0.50
     e5: 	  phi0=0.95     T=0.50
     e6: 	  phi0=0.95     T=0.95

Runs initially unstable to PS: e2, e4
Runs initially unstable to P0: e5, e6

Sources**:
~lapena/LCP_runs/e6-runs/



Model0 linear stability analysis:

Check the lsa page for an updated list of these quenches. 

	1: 	  phi0=0.65 	 T=0.75
	2: 	  phi0=0.97 	 T=0.80
	3: 	  phi0=0.85 	 T=0.40
	4: 	  phi0=0.75 	 T=0.50
	5: 	  phi0=0.95 	 T=0.25

Runs initially unstable to PS: 1
Runs initially unstable to PO: 2
Runs initially unstable to PS and PO: 3-5




**Note: Some files may not be found in any of the listed directories. Several of them have been transferred to other accounts for storage.

Any question, comments, or suggestions? Email me!

Last updated April 18, 1998.


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