====== META ======
===== Description =====
Constitutive law of metallurgical phase transformations in solids without mechanical interaction (law called directly by [[elements:pl8tm|PL8TM]] in Lagamine).
==== The model ====
Prediction of metallurgical phase transformations for a given evolution of the temperature field.
==== Files ====
Prepro: LMETA.F \\
===== Availability =====
|Plane stress state|YES|
|Plane strain state|YES|
|Axisymmetric state|YES |
|3D state|YES|
|Generalized plane state|YES|
===== Input file =====
==== Parameters defining the type of constitutive law ====
^ Line 1 (2I5, 60A1)^^
|IL|Law number|
|ITYPE| 312|
|COMMENT| Any comment (up to 60 characters) that will be reproduced on the output listing.|
==== Integer parameters ====
^ Line 1 (6I5) ^^
|NDPO| Maximum degree of polynomials|
|NT1|Maximum number of  proeutectoid|
|NT2|Temperatures in the pearlite|
|NT3|Data tables related to bainite|
|IJKL|Phase code:\\  = 0 the phase does not exist\\ = 1 the phase can appear\\ I = proeutectoid\\ J = pearlite\\ K = bainite\\ L = martensite|
|IMETA|Code defining the order of the material parameters|

==== Real parameters ====
^Line 1 (2G10.0)^^
|ALAMB|initial heat conductivity ($\lambda_o$)|
|RHOC|initial heat capacity per unit volume ($\rho c_o$)|
These parameters are to be given at the initial temperature and for the initial metallurgical composition of the solid.
==== Number of stresses ====
5
==== Meaning ====
|SIG(1)| current volume fraction of austenite|
|SIG(2)| current volume fraction of proeutectoïd |
|SIG(3)| current volume fraction of pearlite|
|SIG(4)| current volume fraction of bainite |
|SIG(5)| current volume fraction of martensite|
===== State variables =====
==== Number of state variables ====
6
==== List of state variables ====
|Q(1)| SCHEIL's sum|
|Q(2)| current hardness|
|Q(3)| heat generated by phase transformations|
|Q(4)| current heat conductivity ($\lambda$); its initial value is $\lambda_o$|
|Q(5)| current heat capacity per unit volume ($\rho_o$); its initial value is $\rho c_o$|
|Q(6)| incubation code\\ = 0 : SCHEIL's sum computed normally\\ = 1 : SCHEIL's sum multiplied by a germination factor (FINCU)|

=====Special file=====
See [[appendices:a12|Appendix 12: *.MET file]]