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laws:e2gdp

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E2GDP

Description

Elastic constitutive law for solid elements at constant temperature. Secund gradient-plane deformation (for second gradient method from Grenoble).

The model

This law is used for mechanical analysis of elastic isotropic solids undergoing large strains.

Files

Prepro: LE2GDP.F

Availability

Plane stress state NO
Plane strain state YES
Axisymmetric state NO
3D state NO
Generalized plane state NO

Input file

Parameters defining the type of constitutive law

Line 1 (2I5, 60A1)
ILLaw number
ITYPE 582
COMMENT Any comment (up to 60 characters) that will be reproduced on the output listing

Integer parameters

Line 1 (1I5)
ISOL = 0 : use of total stresses in the constitutive law
$\neq$ 0 : use of effective stresses in the constitutive law. See annex 8

Real parameters

Line 1 (2G10.0)
E Elastic modulus
RHO Specific mass

Stresses

Number of stresses

8

Meaning

The stresses are the components of 2$^{nd}$ gradient stress tensor in global (X, Y, Z) coordinates.

SIG(1)$\Sigma_{111}$
SIG(2)$\Sigma_{112}$
SIG(3)$\Sigma_{121}$
SIG(4)$\Sigma_{122}$
SIG(5)$\Sigma_{211}$
SIG(6)$\Sigma_{212}$
SIG(7)$\Sigma_{221}$
SIG(8)$\Sigma_{222}$

State variables

Number of state variables

2

List of state variables

Q(1) = 1 in plane strain state
Q(2) RHO actualised specific mass
laws/e2gdp.1566562188.txt.gz · Last modified: 2020/08/25 15:34 (external edit)