Structural mechanics (26431)

AIMS:
• To enable to apply the knowledge of scientific principles to problems of mechanical nature.
• To develop an understanding of mechanical properties of materials.
• To assist in applying mathematical and geometrical calculations to the analysis of statically
determinate beams.

SHORT DESCRIPTION
Mechanical properties of material; Laws of forces; Moment; Friction; Centroid and centre of gravity;
Moment of inertia; Torsion on circular shaft; Shear force and bending moment.

Private Course

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Responsible	Md. Emon Khan
Last Update	01/30/2025
Completion Time	2 hours 17 minutes
Members	47

Course
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Zaynta chandra 3rd Civil Daffodil Polytechnic Institute Md. Emon Khan

Course Overview
- Lesson plan
- Mark Distribution
  
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- Syllabus
  
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- Sample Question
  
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- Suggestion-2024
  
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Unit -1 (Understand the importance aspects of mechanical Properties)
- Lecture -1 ( Stress,Strain,Compressive Stress,Shear Stress,Compressive Strain,Shear Strain, Hook law ,Modulus of elasticity and Modulus of Rigidity)
  
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- Stress, Strain, Compressive Stress, Shear Stress, Compressive Strain,Shear Strain, Hook law ,Modulus of elasticity and Modulus of Rigidity
- Lecture-2 ( Define the following terms: (a) Elasticity, proportional limit, yield point, ultimate stress, breaking stress) (b) Strength, stiffness, toughness, ductility, malleability, brittleness, creep, fatigue failure, resilience, modulus of resilience, thermal stress in simple bar and poisons ratio.
  
  Preview
- Define the following terms: (a) Elasticity, proportional limit, yield point, ultimate stress, breaking stress (b) Strength, stiffness, toughness, ductility, malleability, brittleness, creep, fatigue failure, resilience, modulus of resilience, thermal stress in simple bar and poisons ratio.
  
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- Lecture-03 -Compute stress, strain, modulus of elasticity and modulus of rigidity.
- Lecture-04- a. Solve problems involving resilience, thermal stress and poisons ratio. b.Compute stress develop in composite bar under tension and compression.
Unit-2 ( Understand the concept of laws of force)
Unit-3 ( Understand the aspects of moment of forces)
- Lecture-01* Define the term moment (analytically and graphically),Differentiate moment with force.
- Lecture -02* Explain Varigon's principle of moment,Distinguish like and unlike parallel forces,State the meaning of couple.
- Lecture-03* Mention the properties of couple. 3.7 Solve problems on moment of couple and moment of forces
- Lecture-04* Solve problems on moment of like and unlike parallel forces
Unit- 4( Understand the concept of frictional force)
- Lecture-01* State friction, static friction and dynamic friction,Mention the laws of static friction and dynamic friction. 4.3 Explain angle of friction and co-efficient of friction.
- Lecture-02* Compute friction of a body on horizontal planes,Compute friction of a body on inclined planes.
- Lecture-03* Compute frictional force acting on a ladder. 5. Understand the aspects of centroid and centre of gravity.
- Lecture-04* Solve problems on Friction Force
Unit-5 ( Understand the aspects of centroid and Centre of gravity).
- Lecture-01* Define the terms: centroid and centre of gravity, State the axis of symmetry and parallel axis