PPT: Deflection Mechanical Engineering Notes | EduRev

Strength of Materials (SOM)

Mechanical Engineering : PPT: Deflection Mechanical Engineering Notes | EduRev

 Page 1


Index
1. Types of beam
2. Types of load
3. Shear force Bending Moment
4. Sign conventions
5. Point of contraflexure
6. Example on Simply supported beam 
7. Example on cantilever beam
8. Example on overhanging beam
9. Example on overhanging beam with point of contra 
flexure
Page 2


Index
1. Types of beam
2. Types of load
3. Shear force Bending Moment
4. Sign conventions
5. Point of contraflexure
6. Example on Simply supported beam 
7. Example on cantilever beam
8. Example on overhanging beam
9. Example on overhanging beam with point of contra 
flexure
Types of beam
Simply supported beam:-
A beam supported freely on the walls or columns at its 
both ends is known as simply supported beam.
Over hanging beam:-
A Beam is freely supported on two supports. But its 
one end or both the ends are projected beyond the 
support.
Page 3


Index
1. Types of beam
2. Types of load
3. Shear force Bending Moment
4. Sign conventions
5. Point of contraflexure
6. Example on Simply supported beam 
7. Example on cantilever beam
8. Example on overhanging beam
9. Example on overhanging beam with point of contra 
flexure
Types of beam
Simply supported beam:-
A beam supported freely on the walls or columns at its 
both ends is known as simply supported beam.
Over hanging beam:-
A Beam is freely supported on two supports. But its 
one end or both the ends are projected beyond the 
support.
Cantilever Beam:-
A Beam Fixed at one end and free at the other end is known 
as cantilever Beam.
Fixed Beam:-
A beam whose both ends are rigidly fixed is known as 
cantilever beam.
Page 4


Index
1. Types of beam
2. Types of load
3. Shear force Bending Moment
4. Sign conventions
5. Point of contraflexure
6. Example on Simply supported beam 
7. Example on cantilever beam
8. Example on overhanging beam
9. Example on overhanging beam with point of contra 
flexure
Types of beam
Simply supported beam:-
A beam supported freely on the walls or columns at its 
both ends is known as simply supported beam.
Over hanging beam:-
A Beam is freely supported on two supports. But its 
one end or both the ends are projected beyond the 
support.
Cantilever Beam:-
A Beam Fixed at one end and free at the other end is known 
as cantilever Beam.
Fixed Beam:-
A beam whose both ends are rigidly fixed is known as 
cantilever beam.
Continuous beam:-
A Beam Supported on more then two support is known as 
continuous beam.
Page 5


Index
1. Types of beam
2. Types of load
3. Shear force Bending Moment
4. Sign conventions
5. Point of contraflexure
6. Example on Simply supported beam 
7. Example on cantilever beam
8. Example on overhanging beam
9. Example on overhanging beam with point of contra 
flexure
Types of beam
Simply supported beam:-
A beam supported freely on the walls or columns at its 
both ends is known as simply supported beam.
Over hanging beam:-
A Beam is freely supported on two supports. But its 
one end or both the ends are projected beyond the 
support.
Cantilever Beam:-
A Beam Fixed at one end and free at the other end is known 
as cantilever Beam.
Fixed Beam:-
A beam whose both ends are rigidly fixed is known as 
cantilever beam.
Continuous beam:-
A Beam Supported on more then two support is known as 
continuous beam.
Type of loads
Point load or concentrated load:-
When  a load is acting on a relatively small area it is 
considered as point load or concentrated load.
W = Point Load
It is given in N or KN.
   W
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