2.15 The reduced stiffness matrix [Q] is given for a unidirectional lamina is given as follows:...
please solve 2 and 3
1- The reduced stiffness matrix [Q] is given for a unidirectional lamina as follows: 5.681 0.3164 0 ] [Q]=0.3164 1.217 0 Msi I 0 0 0.6006 Calculate the four engineering constants E1, E2, V12, G12 of the lamina. 2- Calculate the transformed reduced stiffness [Q] for the above problem for 0 = 30°. Glass 3- A glass/epoxy lamina consists of 70% fiber volume fraction. Use properties of glass and epoxy from the tables below to...
Q4. (a) Calculate the ply reduced stiffness matrix, [Q], for a specially orthotropic ply having the following properties: E = 240 E2 = 12 GPa GPa G12 = 6 GPa V12 = 0.3 [13 marks) (b) Calculate the ply reduced compliance matrix, [S], for a specially orthotropic ply having the following properties: E1 = 69.7 GPa E2 = 59.7 GPa G12 = 7.5 GPa V 12 = 0.3 [12 marks]