ENGR 244 – Concordia – Package 2

ENGR 244 – Concordia – Package 2

ENGR 244 – Concordia – Package 2

In section 6, you will get to know that normal stresses are not only due to forces. Normal stresses are also caused by internal bending moments. You will learn how to calculate bending normal stresses that result from internal bending moments about single axis. Double bending (bending about both axes) is also covered in depth. You will learn the meaning of the Neutral Axis and how to locate it. Also, you will get to know what eccentric loads are and how they affect the calculations of normal stresses at any point on the cross section. Finally, chapter 6 ends with the definition of composite beams, and the method used to calculate normal stresses in composite beams.

In section 7, you will get to know the formula that reflects the variation of shear stresses in a beam’s cross section. In this chapter, you will discover that average shear stresses (force over area) are not used in shear stress calculations in the beam’s cross section. A new formula is introduced for shear stresses that are developed in cross sections subjected to shear forces. New parameters such as Q and t are introduced. Also, you will learn how to locate and calculate the maximum shear stress in a beam subjected to a given loading. Also, you will learn that shear forces can develop in two directions in a beam, and you will be able to calculate shear stresses at any point on the cross section whether it is subjected to horizontal shear, vertical shear, or both.

In section 8, you will learn about torsion and the shear stresses they create in the beam. Also, you will learn how to calculate the angle of twist that develops from torsional moments. You will also learn how to solve indeterminate structures using compatibility equations containing the angle of twist.

  • Section 6: Bending Stresses

    In this chapter, you discover that normal stresses are not only the result of axial forces. They are also caused by internal bending moment. Long story short: Internal bending Moments create normal stresses.

    • Lesson 1: Normal Stresses Due to Bending
      18 min
  • Section 7: Shear Stresses and Shear Flow

    In this section, you learn about how the shear stress varies along the beam's depth when the beam is subjected to a shear force. Also, you will learn the concept of shear flow and where it used in design.

    • Lesson 1: Vertical Shear Stresses – part 1
      25 min
  • Section 8: Torsion

    In this section you learn about torsion and angle of twist.

    • Lesson 1: Torsion
      14 min
  • Mock Exams

    In this section you will practice a timed mock exam. Try to be as fast as possible so that you practice speed without losing accuracy.

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Price 69.99$ 49.99$
Instructor Rateeb Yehya
Duration 70 days
Lectures 79
Enrolled 24 students