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ATENA Input File Format
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Table 100: &MATERIAL_WITH_RANDOM_FIELDS sub-command parameters
Parameter
Description
Basic properties
BASE id
Id of the previously defined base material, whose parameters
will be modified based on the thermal loading and the provided
function. Only the following materials should be used as a base
material:
CC3DNonLinCementitious2,
CC1DElastIstotropic,
CCPlaneStressElastIsotropic,
CCPlaneStrainElastIsotropic,
CC3DelastIsotropic,
CCASymElastIsotropic,
CC3DDruckerPragerPlasticity,
CC3DBiLinearSteelVonMises,
CCReinforcement,
CCSmearedReinf
Units: none
Acceptable range: (1; maximal integer>
Default value: none
FILENAME “name”
File name containing the spatial distribution of material
parameters.
Units: none
Acceptable range: any string
Default value: none
4.3.14 Material Types for Simplified Nonlinear Analysis Using CCBeam
Element
4.3.14.1 Sub-command &BEAM_MASONRY_MATERIAL
This model can be used for nonlinear analysis of (reinforced) masonry structures modeled by
CCBeam elements. It is used for solid part, i.e. masonry. An eventual reinforcements should
be modeled by CCBeamReinfBarMaterial. The material conforms with recommendations
given by Eurocode and similar codes for practice. The input “design” strengths overwrite
values based on input of “characteristic” strengths.
Syntax:
& BEAM_MASONRY_MATERIAL :
TYPE “CCBeamMasonryMaterial” {[E x] | [MU x] | [RHO x] | [ALPHA x] |
[F_K x ] | [F_VK0 x] |[COEFF_F_VK x] | [F_VLT x] | [F_VLT_CONST x] |
[F_VLT_COEFF x] | [F_XK_INPLANE x ] | [{F_XK_OUTPLANE}|{F_XK} x
] | [R_RATIO x ] | [GAMMA_M] | [F_D x ] | [F_VD x] | [F_XD_INPLANE x ] |
[{F_XD_OUTPLANE}|{F_XD} x ] |[ EPS_MU x ] | [EPS_M x] | [ LAMBDA x ]