Question: please solve 2 and 3 from topic off axis ply and laminate properties. the assignment 1 are the two problems on first page. thanks Topic:
Topic: Rule of Mixtures 1. Write a computer program (using Excel, MathCAD Matlab, etc.) to calculate the stiffness properties (E. Es, Vis, Ga) of a two-dimensional FRP composite lamina given the properties of the fiber and matrix and fiber volume fraction. Assume that the fiber is continuous, and that both the files and resin are isotropic 2. Use the computer program to plot the properties of a carbon-epoxy composite from 0 to 100 percent fiber volume fraction, at increments of 10 percent. Justify any and all assumptions. Hint use the consistency of your results with your understanding of micromechanics to check the accuracy of your code. The properties of the fiber and resin are as follows Fiber carbon) Resin (poxy) E (p) 36,300,000 620.000 02 0.14 10,800.000 205.000 G Tople: Off-axis ply and laminate properties 1. Add additional code to the computer program that you wrote for assignment number one so that it calculates and off-axis stiffness and compliance matrices for a two-dimensional lamina (ply) given the ply angle. Assume that the ply is thin, and that it is acting under plane stress, with negligible out-of-plane effects 2. Use the program to compute off-axis stiffness matrices for a ply with 65 percent fiber volume fraction rotated through angles from 0 to 180 degrees, at 10 degree intervals. Discuss your results, including relevant trends. Hint: use the consistency of your results with your understanding of on- and off-axis ply behavior to check the accuracy of your code 3. Add additional code to the computer program that you wrote for assignment number two so that it calculates ABD matrices for a six-ply laminate of arbitrary layup (ieit doesn't have to be balanced or symmetric) and equivalent clastic constants (atial and flexural). In computing the constants, use the inversion approach rather than the formula approach 4. Use the code to compune ABD matrices and equivalent elastic constants for the following layup codes, using the data from previous examples including a fiber volume fraction of 65 percent). Assume that each ply is 2 mils (0.002 inches) thick Hint: use the consistency of your results with your understanding of laminate behaviot to check the accuracy of your code 10.900 [30/-3033 [45.0-453S 10/45/9045/9001 Topic: Rule of Mixtures 1. Write a computer program (using Excel, MathCAD Matlab, etc.) to calculate the stiffness properties (E. Es, Vis, Ga) of a two-dimensional FRP composite lamina given the properties of the fiber and matrix and fiber volume fraction. Assume that the fiber is continuous, and that both the files and resin are isotropic 2. Use the computer program to plot the properties of a carbon-epoxy composite from 0 to 100 percent fiber volume fraction, at increments of 10 percent. Justify any and all assumptions. Hint use the consistency of your results with your understanding of micromechanics to check the accuracy of your code. The properties of the fiber and resin are as follows Fiber carbon) Resin (poxy) E (p) 36,300,000 620.000 02 0.14 10,800.000 205.000 G Tople: Off-axis ply and laminate properties 1. Add additional code to the computer program that you wrote for assignment number one so that it calculates and off-axis stiffness and compliance matrices for a two-dimensional lamina (ply) given the ply angle. Assume that the ply is thin, and that it is acting under plane stress, with negligible out-of-plane effects 2. Use the program to compute off-axis stiffness matrices for a ply with 65 percent fiber volume fraction rotated through angles from 0 to 180 degrees, at 10 degree intervals. Discuss your results, including relevant trends. Hint: use the consistency of your results with your understanding of on- and off-axis ply behavior to check the accuracy of your code 3. Add additional code to the computer program that you wrote for assignment number two so that it calculates ABD matrices for a six-ply laminate of arbitrary layup (ieit doesn't have to be balanced or symmetric) and equivalent clastic constants (atial and flexural). In computing the constants, use the inversion approach rather than the formula approach 4. Use the code to compune ABD matrices and equivalent elastic constants for the following layup codes, using the data from previous examples including a fiber volume fraction of 65 percent). Assume that each ply is 2 mils (0.002 inches) thick Hint: use the consistency of your results with your understanding of laminate behaviot to check the accuracy of your code 10.900 [30/-3033 [45.0-453S 10/45/9045/9001
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