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Table 1 DDD simulation parameters used to obtain a relaxed configuration of dislocations. Hyphens in the column ‘Relaxation step’ indicate unchanged status with respect to the ‘Loading step’

From: Making sense of dislocation correlations

Parameters/Test conditions

Loading step

Relaxation step

Unit

Simulation domain

40000×40000×40000

| b|

Mobility law

“FCC_0”

Burgers vector magnitude

2.55×10−10

m

Shear modulus

54.6×109

Pa

Poisson’s ratio

0.324

Fast Multipole Method (FMM)

enabled

FMM cellular Grid

8×8×8

Time step integrator

“trapezoid”

“subcycling”

Maximum segment length

4000.0

| b|

Edge dislocation mobility

1.0×103

Pa−1 s−1

Screw dislocation mobility

1.0×103

Pa−1 s−1

Load type

constant strain rate

creep

Maximum position error

1.0

| b|

Strain rate

4.0×104 in [0 0 1]-direction

0.0

s−1

Applied stress

0.0

Pa

Cross-slip

disabled

useLabFrame

enabled

labFrameXDir

[0.9514 −0.2452 0.1864]T

labFrameYDir

[0.2722 0.9526 −0.1361]T

labFrameZDir

[−0.1441 0.1802 0.9730]T