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Chapter 4 Macromechanical Analysis of a Laminate Dr. Autar Kaw Department of Mechanical Engineering University of South Florida, Tampa, FL 33620 Courtesy.

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Presentation on theme: "Chapter 4 Macromechanical Analysis of a Laminate Dr. Autar Kaw Department of Mechanical Engineering University of South Florida, Tampa, FL 33620 Courtesy."— Presentation transcript:

1 Chapter 4 Macromechanical Analysis of a Laminate Dr. Autar Kaw Department of Mechanical Engineering University of South Florida, Tampa, FL Courtesy of the Textbook Mechanics of Composite Materials by Kaw

2 (4.29) (4.30)

3 (4.31) (4.32a) (4.32b) The [A*], [B*], and [D*] matrices are called the extensional compliance matrix, coupling compliance matrix, and bending compliance matrix respectively.

4 For a symmetric laminate:

5 (4.31) (4.33)

6 (4.34) (4.35)

7 (4.36) (4.37)

8 (4.38) (4.39)

9 (4.34) (4.42) (4.40) (4.41)

10 (4.36) (4.45) (4.43) (4.44) Effective in-plane Poissons ratio

11 (4.46a) (4.46b) (4.47)

12 For a symmetric laminate: [B] = 0 (4.31) (4.32b) (4.48)

13 Effective flexural longitudinal modulus: (4.49) (4.50) (4.51)

14 (4.52) (4.53) (4.54) (4.55) (4.56)

15


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