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/MAT/LAW54 (PREDIT)

/MAT/LAW54 (PREDIT)

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/MAT/LAW54 (PREDIT)

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/MAT/LAW54 - Predit Material

Description

This law describes the predit material. This material law is only used with property type 36.

Format

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

/MAT/LAW54/mat_ID/unit_ID or /MAT/PREDIT/mat_ID/unit_ID

mat_title

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

fct_ID

A

B

N

Fscaleyld

AY

AZ

BY

BZ

CX

Dc

RC

E1max

 

 

 

 

hmtoggle_plus1Flag Definition

Field

Contents

SI Unit Example

mat_ID

Material identifier

(Integer, maximum 10 digits)

 

unit_ID

Optional unit identifier

(Integer, maximum 10 digits)

 

mat_title

Material title

(Character, maximum 100 characters)

 

Initial density

(Real)

symbol_kg

E

Young’s modulus

(Real)

Poisson’s ratio

(Real)

 

fct_ID

Hardening parameter function identifier (optional)

(Integer)

= 0: Law 2 is used and coefficients A, B and N are read.

 

A

Hardening parameter yield coefficient A

(Real)

 

B

Hardening parameter yield coefficient B

(Real)

 

N

Hardening parameter yield coefficient N

(Real)

 

Fscaleyld

Yield function scale factor

Default = 1.0  (Real)

AY

Y shear coefficient of component yield

(Real)

 

AZ

Z shear coefficient of component yield

(Real)

 

BY

Y moment coefficient of component yield

(Real)

 

BZ

Z moment coefficient of component yield

(Real)

 

CX

X torsion coefficient of component yield

(Real)

 

Dc

Critical damage

(Real)

 

RC

Critical failure

(Real)

 

E1max

Damage strain limit

(Real)

 

hmtoggle_plus1Example (Steel)

#RADIOSS STARTER

#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

/UNIT/1

unit for mat

                 Mg                  mm                   s

#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

#-  2. MATERIALS:

#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

/MAT/LAW54/1/1

Steel

#             RHO_I

             7.8E-9

#                 E                   NU

              21000                   .3

#            fct_ID                    A                   B                   N         Fscale_yld

                  0                   30                 150                  .9                  0

#                AY                   AZ                  BY                  BZ                 CX

                 .2                   .2                  .6                  .6                  0

#                DC                   RC             EPS_max

                 .8                    2                  .7

#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

#ENDDATA

/END

#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|

hmtoggle_plus1Comments
1.Scale factor is only used for fct_ID; otherwise Law 36 is used.

See Also:

Material Compatibility

Law Compatibility with Failure Model

/MAT/LAW2 in Theory Manual

/MAT/LAW36 in Theory Manual