Material Property Values & Conditions

Material Property Values

Below you will find information on the material property values for 3D Transversely Isotropic and 3D Orthotropic behaviour. The blue input parameter are those that must be entered in MSC Apex Generative Design. The other values are calculated automatically.

3D Transversely Isotropic

3D Orthotropic

Material Conditions

To ensure the validity of the input data, the program performs tests. The following conditions must be fulfilled for a valid material:

Isotropic Materials:

Condition 1:

-1 < ν < 0.5

Condition 2:

E ≥ 0

3D Transversely Isotropic Materials:

Condition 1

E1>0

Condition 2

E2>0

Condition 3

G12>0

Condition 4

|ν2|<1

Condition 5

|ν21|<(E2/ E1)1/2

Condition 6

|ν12|<(E1/ E2)1/2

Condition 7

1-ν22-2ν12ν21-2ν2ν12 ν21>0

3D Orthotropic Materials:

Condition 1

E1>0

Condition 2

E2>0

Condition 3

E3>0

Condition 4

G12>0

Condition 5

G13>0

Condition 6

G23>0

Condition 7

|ν12|< (E1/ E2)1/2

Condition 8

|ν13|<(E1/ E3)1/2

Condition 9

|ν23|<(E2/ E3)1/2

Condition 10

1-ν12ν21-ν23ν32-ν13ν31-2ν21 ν32 ν13>0

Condition 11

ν21 = (E2/ E3)v12

Condition 12

ν31 = (E3/ E1)v13

Condition 13

ν32 = (E3/ E2)v23

Copyright (C) 2023, Hexagon AB and/or its subsidiaries. All rights reserved.