Strength of MaterialsLaajuus (3 ECTS)

Objective

On completion of the course the student will be able to
- Describe how the load, strain, transformation and transitions of a bar structure are interrelated
- Describe the dimensioning of a beam taking only the essentials into account
- Describe the buckling phenomenon and factors affecting it
- Solve strains, transformations and transitions of a concentrically drawn and compressed bar
- Solve tensile and compression stress in a bended beam
- Solve the buckling force of a concentrically compressed bar
- Size a simple beam for bending
- Size a concentrically compressed bar

Content

The basic assumptions in strength of materials and the mechanical properties of materials
Stress in a cross-section of a bar: traction/compression, bending
Elastic transformations and transitions: traction/compression, temperature
The bend of a simple bar in a table
The principles of dimensioning a bar
Euler’s buckling formula
The principle of dimensioning a compressed bar in threat of buckling

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The principles of the theory of plasticity
Torque
Principal stress

Assessment criteria, satisfactory (1)

The student is able to
- Solve strains, transformations and transitions of a concentrically drawn and compressed bar
- Solve tensile and compression stress in a bended beam
- Solve the buckling force of a concentrically compressed bar
- Size a simple beam for bending
- Size a concentrically compressed bar

Assessment criteria, good (3)

The student will be able to
- determine axial stress
- determine shear stress
- determine bending stress
- explain deformations
- define displacement
- carry out dimensioning of beams and columns

Assessment criteria, excellent (5)

The student will be able to
- determine axial stress
- determine shear stress
- determine bending stress
- explain deformations
- define displacement
- carry out dimensioning of beams and columns