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This command is used to set the evolution law variable el to the specified type. There are two types of evolutions laws implemented: scalar (isotropic) evolution and tensorial (kinemartic) evolution. For scalar evolution law, there are linear scalar evolution law and nonlinear scalar evolution law. For tensorial evolution law, there are linear tensorial evolution law and nonlinear tensorial evolution law.
set el "-EvolutionLawType <parameter list>"
Valid strings for EvolutionLawType are Leq, NLp, LEij, and NLEij
For linear scalar evolution law
set el "-Leq $a"
For Cam-Clay type nonlinear scalar evolution law
set el "-NLp $e_o $lambda $k
For linear tensorial evolution law
set et "-LEij $a1"
For Armstrong-Frederick type nonlinear tensorial evolution law
set et "-NLEij $h_a $C_r"
$a |
linear hardening coefficient |
$e_o |
initial void ratio |
$lambda |
nonlinear evolution law constant (Cam-Clay type) |
$k |
nonlinear evolution law constant (Cam-Clay type) |
$a1 |
linear tensorial evolution law constant |
$h_a |
nonlinear tensorial evolution law constant (Armstrong-Frederick type) |
$C_r |
nonlinear tensorial evolution law constant (Armstrong-Frederick type) |