Automated method to determine composite material constituent properties

1. A non-transitory machine-readable medium with instructions stored thereon, the instructions when executed operable to:

accept a set of user input composite material properties, including;

a composite modulus in a first direction;

a composite modulus in a second direction normal to the first direction;

a composite shear modulus in a plane that includes the first direction and the second direction;

a composite Poisson ratio in a plane that includes the first direction and the second direction;

accept a user input composite microstructure; and

automatically compute adjusted material properties of all constituents of the composite material, wherein a set of consistent fixed constituent property constraints are utilized to obtain the adjusted material property.

2. The non-transitory machine-readable medium of claim 1 , wherein the set of user input composite material properties includes at least one directional component of a thermal expansion coefficient.

3. The non-transitory machine-readable medium of claim 1 , wherein the set of user input composite material properties includes an additional composite modulus in a third direction normal to the first direction and the second direction.

4. The non-transitory machine-readable medium of claim 3 , wherein the set of user input composite material properties includes an additional composite shear modulus in a plane that includes the first direction and the third direction.

5. The non-transitory machine-readable medium of claim 4 , wherein the set of user input composite material properties includes an additional composite shear modulus in a plane that includes the second direction and the third direction.

6. The non-transitory machine-readable medium of claim 3 , wherein the set of user input composite material properties includes an additional composite Poisson ratio in a plane that includes the first direction and the third direction.

7. The non-transitory machine-readable medium of claim 6 , wherein the set of user input composite material properties includes an additional composite Poisson ratio in a plane that includes the second direction and the third direction.

8. The non-transitory machine-readable medium of claim 2 , wherein the set of user input composite material properties includes two directional components of a thermal expansion coefficient in directions that are normal to one another.

9. The non-transitory machine-readable medium of claim 2 , wherein the set of user input composite material properties includes three directional components of a thermal expansion coefficient in directions that are normal to one another.

10. The non-transitory machine-readable medium of claim 1 , wherein accepting a user input composite microstructure includes accepting a carbon fiber/polymer matrix composite microstructure condition.

11. The non-transitory machine-readable medium of claim 10 , wherein accepting a user input composite microstructure includes accepting a woven carbon fiber/polymer matrix composite microstructure condition.

12. A method comprising:

entering a set of carbon fiber/polymer matrix composite material properties into a computer memory, including:

a composite modulus in a first direction;

a composite modulus in a second direction normal to the first direction;

a composite shear modulus in a plane that includes the first direction and the second direction;

a composite Poisson ratio in a plane that includes the first direction and the second direction;

entering a carbon fiber/polymer matrix composite microstructure into the computer;

processing the set of carbon fiber/polymer matrix composite material properties and the carbon fiber/polymer matrix composite microstructure to determine adjusted material properties of all constituents of the composite material, wherein a set of fixed constituent property constraints are utilized to obtain the adjusted material properties.

13. The method of claim 12 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering at least one directional component of a thermal expansion coefficient.

14. The method of claim 12 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering an additional composite modulus in a third direction normal to the first direction and the second direction.

15. The method of claim 14 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering an additional composite shear modulus in a plane that includes the first direction and the third direction.

16. The method of claim 15 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering an additional composite shear modulus in a plane that includes the second direction and the third direction.

17. The method of claim 14 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering an additional composite Poisson ratio in a plane that includes the first direction and the third direction.

18. The method of claim 17 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering an additional composite Poisson ratio in a plane that includes the second direction and the third direction.

19. The method of claim 13 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering two directional components of a thermal expansion coefficient in directions that are normal to one another.

20. The method of claim 13 , wherein entering the set of carbon fiber/polymer matrix composite material properties includes entering three directional components of a thermal expansion coefficient in directions that are normal to one another.