MDDP Inputs

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DDinput

Purpose

This input file contains the initial dislocation structure (coordinates, global Burgers' vector components, slip plane. node constraints, and dislocation node connectivity), the loading parameters, mesh size, and time step.

        2012
 1: total node  fixed  erate indxerate  jn jogn nstep ntotal
      2  100.00000    10.00000   4   0    0   0   0
 2: timenow tlstrn tstress deltt   dbt   load_type
  0.0000000E+00  0.0000000E+00  0.0000000E+00  1.0000000E-9  1.0000000E-08   0
 3: Strain tensor
  0.0 0.0 0.0 0.0 0.0 0.0
 4: Applied stress tensor
   0.0 0.0 00.e6  0.0  0.0  0.0
 5: Coordinates and Burgers Vectors
    1000  0   0   0.000000000E+00 -1 0.00000000e+00
   -1000  0   0   0.000000000E+00 -1 0.00000000e+00
6: nbr(i,1) nbr(i,2) nbr(i,3), iplane, icn, ixtype
           0           2           0           4           7           2
           1           0           0           4           7           2
 7: DefectData
           0

Data

Purpose

This input file includes material properties as well as additional numerical and output parameters.

1: Crystal,  maxstep,  Sidex,  sidey,  sidez
   FCC
              749990   12000   12000   12000
2:density(Kg/m^3), Shr(Pa),  Poissons ratio, mobility(1/Pa.s), Ba(m)
   8960           4.83e10     .343      1000    2.5e-10
3:temperature, stkFE(J/m^2), ismobil, amfactor, Conduc, HeaConduc
   300    0.040       0    0     398     386
4:npolorder, ncell, ifree(0,1 or 3), nsface1(3), nsface2(3)
   4             3           0         0 0 0       0 0 0
5:nscx,nscy,nscz (subcells and FEA elements)
  7   7   7
6:Finite Element(indexFE=0,1,2), indexFE1=0(Generate Data),1(Read),NFEA
   0  0  1
7:Defect(loofile 0=nodefects, 1=yes) ndz=1(loops),2(SFR's),3(squar)
  0     2
8:Coordinate system (w.r.t. crystal)
-2 1 1
0 -1 1
1 1 1
9:Index:Print Results Every N Steps (nndx)
  100    0   1
10:Integoption(idtdd=0, Const, dt, 1 Variable), imeshdd(0=cons,1=auto)
  1  1