7-81. The material distorts into the dashed positionshown. Determine the average normal strains e, ey and theshear strain yy at A, and the average normal strain alongline BE.15 mm30 mm50 mm200 mm50 mm-150mm|F

The normal strain in X direction is given by the following expression: εx=A'F'-AFAF Substitute the…

Answered: 7-81. The material distorts into the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The strain components E, Ey, and yyare given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0p, the principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex = 440 µE, ɛ, = -810 µE, Vxy = -540 µrad. Enter the angle such that -45°s0,s +45°. Answer: Ep1 = Ep2 = Ymax in-plane prad Yabsolute max. prad 0, =
The strain components at a point in a body subjected to plane strain are & 850μ, Ey -300μ, and Yay 400μ. Determine the principal strains and the maximum shearing strain at the point. Show the principal strain deformations and the maximum shearing strain distortion on a sketch. = = =
The strain components ɛ, Ey, and yy are given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0, the principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex = 300 µe, ɛ, = -710 pe, Vxy = -440 urad. Enter the angle such that -45°s0,s +45°. Answer: Ep1= pe Ep2= με Ymax in-plane = prad Yabsolute max. prad Əp =
The piece of plastic is originally rectangular. Determine the average normal strain that occurs along the diagonals AC and DB. Determine the shear strain at corners A and B if the plastic distorts as shown by the dashed lines.
Determine the average normal strain along diagonal DB, based on the original plate (blue) and the deformed shaped (dashed line): 2 mm y C 300 mm 12 mm D -400 mm A 5 mm B 3 mm 4 mm 12 mm X
The strain components ɛ Ey, and ywyare given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0, the principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex = 0 µE, Ɛy = 330 µɛ, Yxy = 270 prad. Enter the angle such that -45° <0,s+45°. Answer: Ep1 = Ep2 = Ymax in-plane prad Yabsolute max. prad
Q4 A three strain gages have been attached directly to a piston used to raise a medical chair, the strain gages give strains as ɛa = 80 µ , Ep = 60 µ and Ec = 20 µ . Determine the principal strains and the principal strain directions for the given set of strains. And Compute the strain in a direction -30° (clockwise) with the x axis. a,x A c.y Pump
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The strain components sy Sy, and yxy are given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0, principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex =360 uɛ, ɛ, = -640 uɛ, Yxy = -790 urad. Enter the angle such that -45°se,s+45°. the Answer: Ep1= Ep2 = Ymax in-plane = prad Yabsolute max. prad %3D %3D
7-81. The material distorts into the dashed position shown. Determine the average normal strains €, E, and the €y shear strain Yxy at A, and the average normal strain along ху line BE. 7-82. The material distorts into the dashed position shown. Determine the average normal strains along the diagonals AD and CF. 50 mm 200 mm 15 mm CH B A- 150 mm 30 mm D EI / F Probs. 7-81/82 50 mm ↓ X
The average normal strain and half the maximum in-planeshear strain is determined from the circle as the coordinates. True or false?
The strain components ɛ, Ey, and yxy are given for a point in a body subjected to plane strain. Using Mohr's circle, determine the principal strains, the maximum in-plane shear strain, and the absolute maximum shear strain at the point. Show the angle 0p, the principal strain deformations, and the maximum in-plane shear strain distortion in a sketch. Ex = 0 µE, ɛ, = 320 µɛ, Vxy = 240 µrad. Enter the angle suen that -45° s 0,s+45°.

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7-81. The material distorts into the dashed position shown. Determine the average normal strains e, ey and the shear strain yy at A, and the average normal strain along line BE. 15 mm 30 mm 50 mm 200 mm 50 mm -150mm |F