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Engineering

Concept Videos

Mechanical Engineering

Bending

Bending
01:10
Bending

Pure bending occurs when a prismatic member possesses a plane of symmetry and experiences couples of equal magnitudes acting within that plane. This type ...

Video Duration: 1 minute and 10 seconds
Symmetric Member in Bending
01:07
Symmetric Member in Bending

Consider a prismatic member subjected to two couples, equal in magnitude but in opposite directions, acting within the symmetric plane of the member. A ...

Video Duration: 1 minute and 7 seconds
Deformations in a Symmetric Member in Bending
01:18
Deformations in a Symmetric Member in Bending

Consider the deformations of a symmetric prismatic member subjected to equal and opposite couples. As the member bends uniformly, the lines on the wider ...

Video Duration: 1 minute and 18 seconds
Flexural Stress
01:16
Flexural Stress

Consider a bending moment where a symmetric member endures stress within the elastic limit. The longitudinal stress can be expressed using Hooke's ...

Video Duration: 1 minute and 16 seconds
Deformations in a Transverse Cross Section
01:21
Deformations in a Transverse Cross Section

When a material is subjected to uniaxial stress, the material undergoes elongation or contraction in the direction of the applied stress. At the same ...

Video Duration: 1 minute and 21 seconds
Bending of Material: Problem Solving
01:09
Bending of Material: Problem Solving

Consider two metallic pipes having an inner radii of 1.5 cm and 1 cm, respectively, and an outer radii of 1.8 cm. If both pipes can withstand a maximum ...

Video Duration: 1 minute and 9 seconds
Bending of Members Made of Several Materials
01:11
Bending of Members Made of Several Materials

Consider a member of two different materials that have the same cross-sectional area. The equation of stress for such a member is expressed in terms of ...

Video Duration: 1 minute and 11 seconds
Stress Concentrations
01:13
Stress Concentrations

The equation for stress for a member under pure bending having a plane of symmetry and a uniform cross-section assumes that the stress is evenly ...

Video Duration: 1 minute and 13 seconds
Plastic Deformations
01:14
Plastic Deformations

For pure bending, when maximum stress exceeds the yield strength of the member's material, it undergoes plastic deformation. The strain at any point ...

Video Duration: 1 minute and 14 seconds
Members Made of Elastoplastic Material
01:19
Members Made of Elastoplastic Material

Consider a member made up of an elastoplastic material with a rectangular cross-section. Within the elastic limit, the stress distribution across the ...

Video Duration: 1 minute and 19 seconds
Residual Stresses in Bending
01:18
Residual Stresses in Bending

If a sufficiently large bending moment is applied to an elastoplastic member, plastic zones will develop in the member. Now, if the bending moment is ...

Video Duration: 1 minute and 18 seconds
Eccentric Axial Loading in a Plane of Symmetry
01:16
Eccentric Axial Loading in a Plane of Symmetry

Eccentric axial loading refers to the application of an axial load that is not aligned with the centroidal axis of the member. Consider a member having a ...

Video Duration: 1 minute and 16 seconds
Unsymmetric Bending
01:18
Unsymmetric Bending

Unsymmetric bending occurs when the bending moment is not acting along the plane of the symmetry of the member or if the member does not possess any plane ...

Video Duration: 1 minute and 18 seconds
Unsymmetric Bending - Angle of Neutral Axis
01:15
Unsymmetric Bending - Angle of Neutral Axis

Consider a member with a vertical plane of symmetry subjected to bending couples in a plane at an angle θ with respect to the vertical axis of the ...

Video Duration: 1 minute and 15 seconds
General Case of Eccentric Axial Loading
01:12
General Case of Eccentric Axial Loading

Consider a member subjected to equal and opposite eccentric forces. These forces are applied at a horizontal distance of a and a vertical distance of b ...

Video Duration: 1 minute and 12 seconds
Bending of Curved Members - Strain Analysis
01:14
Bending of Curved Members - Strain Analysis

Consider a curved member having a transverse section symmetric with the y-axis. Its upper and lower surfaces intersect with xy-planes along arcs of ...

Video Duration: 1 minute and 14 seconds
Bending of Curved Members - Neutral Surface
01:16
Bending of Curved Members - Neutral Surface

For a curved member with a uniform cross-section, the strain equation along the section shows that it varies non-linearly with the distance from the ...

Video Duration: 1 minute and 16 seconds