NuTo
Numerics Tool
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Typedefs | |
using | Tensor = Eigen::Matrix3d |
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Tensor | ToTensor (EngineeringStrain< 3 > &v) |
double | I1 (const EngineeringStrain< 3 > &v) |
returns I1 - the first strain invariant of the characteristic equation \[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \] More... | |
double | I2 (const EngineeringStrain< 3 > &v) |
returns I2 - the first strain invariant of the characteristic equation \[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \] More... | |
double | I3 (const EngineeringStrain< 3 > &v) |
returns I3 - the first strain invariant of the characteristic equation \[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \] More... | |
double | J2 (const EngineeringStrain< 3 > &v) |
returns J2 - the second deviatoric strain invariant of the characteristic equation \[ \lambda^3 - J_1 \lambda^2 - J_2 \lambda - J_3 \] Note the minus sign in front of J2. More... | |
EngineeringStrain< 3 > | Deviatoric (EngineeringStrain< 3 > v) |
returns the deviatoric part More... | |
using NuTo::EngineeringStrainInvariants::Tensor = typedef Eigen::Matrix3d |
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returns the deviatoric part
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returns I1 - the first strain invariant of the characteristic equation
\[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \]
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returns I2 - the first strain invariant of the characteristic equation
\[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \]
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returns I3 - the first strain invariant of the characteristic equation
\[ \lambda^3 - I_1 \lambda^2 + I_2 \lambda - I_3 \]
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returns J2 - the second deviatoric strain invariant of the characteristic equation
\[ \lambda^3 - J_1 \lambda^2 - J_2 \lambda - J_3 \]
Note the minus sign in front of J2.
This is not consistent with the I2 invariant but apparently common practice.
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