Problem 7.18 Consider a 45T laminate. Each lamina is 2.5 mm thick. The material properties are: E1 = 204.6 GPa E2 = 20.46 GPa G12 = 6.89 GPa V12 = 0.3 F1t = 826.8 MPa F1c = 482.3 MPa F2t = F2c = 68.9 MPa F6 = 241.15 MPa Determine the value of the forces Nx, Ny, Nxy, Mx, My, Mxy required to produce a curvature Kx = 0.00545 mm^-1 and Ky = 0.00486 mm^-1. Neglect small numbers and shear deformation.

Views: 5,115 students

Found 4 tutors discussing this question

Alexander Discussed

Problem 7.18 Consider a 45T laminate. Each lamina is 2.5 mm thick. The material properties are: E1 = 204.6 GPa E2 = 20.46 GPa G12 = 6.89 GPa V12 = 0.3 F1t = 826.8 MPa F1c = 482.3 MPa F2t = F2c = 68.9 MPa F6 = 241.15 MPa Determine the value of the forces Nx, Ny, Nxy, Mx, My, Mxy required to produce a curvature Kx = 0.00545 mm^-1 and Ky = 0.00486 mm^-1. Neglect small numbers and shear deformation.

7 mins ago

Discuss this question LIVE

7 mins ago

Students who ask this question also asked

Question 1

Topic:

Physics

View solution

Question 2

question 1-3, 7-last Chapter 9 Sound 9.1 Speed and Intensity of Sound Homework #71 1 O1. A hiker, who is also an avid physics student, encounters a lake with a high cliff at the far border of the lake on a 20.0C day. The student estimates the breadth of the lake by emitting a short shout and timing when the ccho from the cliff is heard. If it takes 2.85 s for the echo to return, what is the breadth of the lake? 02. What is the sound level of a sound wave whose intensity is 1.0 x 10 W/m2? 03. What is the intensity of a sound whose sound level is 40 dB? 04. Studies indicate that humans can distinguish a difference of sound levels of two sounds as small as about 1.0 dB a.) What is the ratio of the intensities of these two sounds? b.) What is the ratio of the amplitudes of these two sounds? 05. A stereo tape recorder is rated to have a signal-to-noise ratio of 67 dB (in other words the signal, or music that is played, is 67 dB louder than the noise, or hissing, that the recorder inherently plays. What is the ratio of the intensities of the signal and the background noise? 06.If two firecrackers producc an sound level of 95 dB at a certain distance away.what will be the sound level at this location if only one fireeracker were exploded at the same source location? 07.An 82-dB sound wave strikes an eardrum whose area is 4.5 x 10m a.) How much energy is absorbed by the eardrum per second? b.) How much total energy is absorbed by the eardrum if the sound lasts 3.0 s? II 08.A man jumps off a burming ship on a 25.0C day and swims away. When the man is quite a distance away,he swims underwater to get past some small debris. While underwater he hears an explosion frorm the ship. He re-emerges to the surface and hears a second explosion 1.850 s after the first explosion. If the ship, indeed, only experienced one explosion, how far from the ship was the man when the ship exploded? (See Homework 68 in Chapter 8-Simple Harmonie Motion and Waves for the table of Selected Physical Properties of Various Materials") 09.A person drops a stone from the top of a 10-story tall building onto the pavement below on a 20.0C day. If the person hears the sound of the stone striking the pavement 3.34 s later, how tall is the building? ANSWERS:01.489m 02.50dB 03.1.0x10W/m 04.a1.26b.1.12 05.5.01x10 07.a.7.13x103/s b.2.14x10J 08.847m 9.50.0 m

Topic:

Physics

View solution

Question 3

A heat engine performs 54.0 J of work while taking in 360 J of energy from a hot reservoir in each cycle. Calculate:

the efficiency of the engine, and
the energy expelled to the cold reservoir in each cycle. [4 marks]

Topic:

Physics

View solution

Question 4

The distance between the plates of a parallel plate capacitor is reduced by half and the area of the plates is doubled. What happens to the capacitance?a) It remains unchanged.b) It doubles.c) It quadruples.d) It is reduced by half.

Topic:

Physics

View solution

Question Text	Problem 7.18 Consider a 45T laminate. Each lamina is 2.5 mm thick. The material properties are: E1 = 204.6 GPa E2 = 20.46 GPa G12 = 6.89 GPa V12 = 0.3 F1t = 826.8 MPa F1c = 482.3 MPa F2t = F2c = 68.9 MPa F6 = 241.15 MPa Determine the value of the forces Nx, Ny, Nxy, Mx, My, Mxy required to produce a curvature Kx = 0.00545 mm^-1 and Ky = 0.00486 mm^-1. Neglect small numbers and shear deformation.
Topic	All topics
Subject	Physics
Class	Class 12

Filo tutor solution

Practice more questions on All topics

Students who ask this question also asked