Presentation for Module One Solid Mechanics

8/10/2019 Presentation for Module One Solid Mechanics

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Solid mechanics

N.SUBRAMANIAN

[email protected]://mechsuman.blogspot.com

MODULE 1

Tension, Compression, and Shear
mailto:[email protected]://d/Gere-START.pptmailto:[email protected]


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Books recommended

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TEXT BOOKS:

1. Bansal, R.K, A text book of strength ofmaterial, Laxmi Pulication (P) Ltd., 2010.

2. Ramamrutham, S, strength of materials, 14thEdition, Dhanth Rai Publication,2011.

REFERENCES:

1. Popov E.P, Engineering Mechanics of Solids,Prentice-Hall of India, NewDelhi, 1997.

2. Beer F. P. and Johnston R, Mechanics ofMaterials, 3rd Edition, McGraw-Hill Book Co,2002.


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Introduction to Mechanics of Materials

Definition:Mechanics of materials is a branch of applied

mechanics that deals with the behaviour of solid bodiessubjected to various types of loading

Compression Tension (stretched) Bending Torsion

wisted) Shearing

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Fig. 1-1 Structural members subjected to axial loads. (The tow bar

is in tension and landing gear strut is in compression.)


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2001 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learningis a trademark used herein under license.

Fig. 1-2 Prismatic

bar in tension: (a)

free-body diagram of

a segment of the bar,

(b) segment of the bar

before loading, (c)segment of the bar

after loading, and (d)

normal stresses in the

bar.


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Fig. 1-3 Steel eyebar subjected to tensile loadsP


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Fig. 1-4 Uniform stress

distribution in a prismatic

bar: (a) axial forcesP,

and (b) cross section of

the bar.


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Fig. 1-5 Example 1-1.

Hollow aluminum post in

compression.


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Fig. 1-6 Example 1-2.

Steel rod supporting a

weight W.


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Fig. 1-10 Stress-strain diagram for a typical structural steel in

tension (not to scale).


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Fig. 1-11 Necking of a

mild-steel bar in tension.


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Fig. 1-12 Stress-strain diagram for a typical structural steel in

tension (drawn to scale).


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Fig. 1-13 Typical stress-strain diagram for an aluminum alloy.


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Fig. 1-14 Arbitrary yield stress determined by the offset method.


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Fig. 1-15 Stress-strain curves for two kinds of rubber in tension.


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Fig. 1-16 Typical stress-

strain diagram for a brittle

material showing the

proportional limit (point A)and fracture stress (point

B).


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Fig. 1-17 Stress-strain diagram for copper in compression.


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Fig. 1-18 Stress-strain

diagram illustrating

(a) elastic behavior, and(b) partially elastic

behavior.


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Fig. 1-21 Relaxation of stress

in a wire under constant strain.


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Fig. 1-22 Axial elongation and lateral contraction of a prismatic

bar in tension: (a) bar before loading, and (b) bar after loading.

(The deformations of the bar are highly exaggerated.)


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Fig. 1-23 Example

1-3. Steel pipe in

compression.


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Fig. 1-24 Bolted connection in which the bolt is loaded in double

shear.


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Fig. 1-25 Bolted

connection in which the

bolt is loaded in single

shear.


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Fig. 1-26 Failure of a bolt in single shear.


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Fig. 1-27 Small element of material subjected to shear streses.


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Fig. 1-28 Element of material subjected to shear stresses and strains.


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Fig. 1-29 Example 1-4. (a) Pin connection between strut Sand

base plateB. (b) Cross section through the strut S.


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Fig. 1-30 Example 1-5. Punching a hole in a steel plate.


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Fig. 1-31 Example 1-6. Bearing pad in shear.


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Fig. 1-32 Example 1-7. Vertical hanger subjected to a tensile load

P: (a) front view of bolted connection, and (b) side view of

connection.


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Fig. 1-33 Example 1-8. Two-bar trussABCsupporting a sign of

weight W.


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Chapter 1

Problems


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Problem 1.2-1


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Problem 1.2-2


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Problem 1.2-3


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Problem 1.3-2


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Problem 1.3-6


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Problem 1.4-1


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Problem 1.4-2


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2001 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learningis a trademark used herein under license.Problem 1.4-4


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Problem 1.5-1

Documents

Presentation for Module One Solid Mechanics