BSc: Mechanics And Machines
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Mechanics and Machines
- Course name: Mechanics and Machines
- Code discipline:
- Subject area: Mechanical engineering, modeling and design of mechanisms and machines
Short Description
This course covers the following concepts: Mechanical engineering: Methods of calculation and design of mechanisms and machines.
Prerequisites
Prerequisite subjects
Prerequisite topics
- CSE203 — Mathematical Analysis II: Linear algebra, vectors and matrices, partial derivatives, Theoretical Mechanics
- CSE205 — Differential Equations: ODE
Course Topics
| Section | Topics within the section |
|---|---|
| Introduction to Engineering |
|
| Theory of mechanisms and machines |
|
| Strength of materials |
|
Intended Learning Outcomes (ILOs)
What is the main purpose of this course?
The purpose of the course is to give broad basic knowledge in mechanical engineering and to show the modern capabilities of computer technology for solving engineering problems. The course covers topics such as the strength of materials and the theory of mechanisms and machines. The objective of the course is to provide knowledge and skills that are useful in the development of new robots, and are also necessary for the effective use of industrial robots for various types of material processing.
ILOs defined at three levels
Level 1: What concepts should a student know/remember/explain?
By the end of the course, the students should be able to ...
- Various types of joining machine parts,
- Various methods of manufacturing machine parts and processing their surfaces,
- Various types of mechanisms and their scope,
- Various types of gears and their main characteristics,
- The main problems of the structural, kinematic and dynamic analysis of mechanisms,
- Fundamental principles of strength of materials,
- The main problems of strength and stiffness calculation.
Level 2: What basic practical skills should a student be able to perform?
By the end of the course, the students should be able to ...
- How to read engineering drawings,
- How to choose a method of joining machine parts,
- How to choose the type of gears,
- How to conduct structural, kinematic and dynamic analysis of mechanisms,
- How to balance mechanisms,
- How to choose the shape of the machine part depending on the type of loading,
- How to evaluate the strength and stiffness of machine parts
Level 3: What complex comprehensive skills should a student be able to apply in real-life scenarios?
By the end of the course, the students should be able to ...
- Design simple machinery using a CAD system
- Perform kinematic and dynamic calculations of mechanisms and machines
- Synthesize and optimize mechanisms in accordance with specified requirements
- Perform strength and stiffness calculations manually and using a CAD system
Grading
Course grading range
| Grade | Range | Description of performance |
|---|---|---|
| A. Excellent | 90-100 | - |
| B. Good | 75-89 | - |
| C. Satisfactory | 60-74 | - |
| D. Poor | 0-59 | - |
Course activities and grading breakdown
| Activity Type | Percentage of the overall course grade |
|---|---|
| Labs/seminar classes | 10 |
| Interim performance assessment | 50 |
| Exams | 40 |
Recommendations for students on how to succeed in the course
Resources, literature and reference materials
Open access resources
- Michael M. Stanišic Mechanisms and Machines: Kinematics, Dynamics, and Synthesis, 2015
- Dietmar Gross et al. Engineering Mechanics 2: Mechanics of Materials, 2018
- Vitor Dias da Silva Mechanics and Strength of Materials 2006
- Frolov K.V. at al. Teoriya mechanizmov i mashin 1987 - in Russian
- Artobolevski I.I. Teoriya mechanizmov i mashin 1988 - in Russian
- Artobolevski I.I., Edelstein B.V. Sbornik zadach po teorii mechanizmov i mashin 1975 - in Russian
- Jukov V.G. Mechanika. Soprotivlenie materialov 2012 - in Russian
- Volmir A.S. at al. Sbornik zadach po soprotivleniu materialov 1984 - in Russian
- Mary Kathryn Thompson, John Martin Thompson ANSYS Mechanical APDL for Finite Element Analysis, 2017
- Alawadhi, Esam M. Finite element simulations using ANSYS, 2016
- Fedorova N.N. at al. Osnovy paboty v ANSYS 17, 2017 - in Russian
Closed access resources
Software and tools used within the course
Teaching Methodology: Methods, techniques, & activities
Activities and Teaching Methods
| Learning Activities | Section 1 | Section 2 | Section 3 |
|---|---|---|---|
| Homework and group projects | 1 | 1 | 1 |
| Midterm evaluation | 1 | 1 | 0 |
| Testing (written or computer based) | 1 | 1 | 1 |
| Oral polls | 1 | 1 | 1 |
Formative Assessment and Course Activities
Ongoing performance assessment
Section 1
| Activity Type | Content | Is Graded? |
|---|---|---|
| Question | Make projections the part according to its 3D model or image. | 1 |
| Question | Make a 3D model of the part according to its drawing. | 1 |
| Question | Suggest a method of manufacturing a part according to its drawing and description. | 1 |
| Question | Suggest a way to connect parts according to their description. | 1 |
| Question | Suggest a method for transmitting movement in a machinery by describing its functions. | 1 |
| Question | Analyze the parts of a given mechanism or construction. | 0 |
| Question | Using a CAD-system, make solid-state 3D-models of parts of a given mechanism or construction | 0 |
| Question | Make a 3D model of the assembly of a given mechanism or construction | 0 |
| Question | Make and describe drawings of parts of a given mechanism or construction | 0 |
Section 2
| Activity Type | Content | Is Graded? |
|---|---|---|
| Question | Propose the structure of the mechanism for the implementation of the given functions | 1 |
| Question | Calculate the trajectories, velocities and accelerations of specific points and links of the mechanism | 1 |
| Question | Calculate gear transfer functions | 1 |
| Question | Calculate the forces arising in the mechanism during its movement | 1 |
| Question | Calculate mechanism balancing parameters | 1 |
| Question | Make a 3D model of the mechanism in a CAD system, check its operability | 1 |
| Question | Apply kinematic and dynamic analysis of mechanisms and gears. | 0 |
| Question | Perform a synthesis of mechanisms to implement the specified functions. | 0 |
| Question | Make engine selection according to dynamic characteristics. | 0 |
| Question | Calculate balancing mechanisms, including the use of flywheels. | 0 |
| Question | Perform vibration analysis and vibration protection design. | 0 |
Section 3
| Activity Type | Content | Is Graded? |
|---|---|---|
| Question | Calculate stresses and strains in a bar loaded with stretching or compressive force. | 1 |
| Question | Calculate stresses in shear stresses in riveted or welded joints. | 1 |
| Question | Calculate stress and strain of a shaft loaded with torque. | 1 |
| Question | Calculate stress and strain of a beam loaded with bending moments. | 1 |
| Question | Using a CAD system, calculate stresses and deformations of parts of the developed mechanism. | 1 |
| Question | Apply methods of resistance of materials to assess the operability of parts in cases of simple loading. | 0 |
| Question | Apply a CAD system to calculate and evaluate the operability of parts in cases of complex loading. | 0 |
| Question | Design and optimize the shape of parts depending on the conditions of their loading. | 0 |
| Question | Apply a method for evaluating the durability and reliability of parts. | 0 |
Final assessment
Section 1
- Describe the principles of solid modeling in CAD systems.
- Describe the scope, advantages and disadvantages of various ways of joining machine parts.
- Describe the scope, advantages and disadvantages of various bearings.
- Describe the basic methods for manufacturing parts and processing their surfaces, their advantages and disadvantages.
Section 2
- Describe the different types of gears, their advantages and disadvantages.
- Describe the method of selecting the type of gears.
- Describe the main problems of structural, kinematic and dynamic analysis of mechanisms.
- Describe the methods of kinematic and dynamic analysis on the example of a given mechanism.
- Describe the methods of balancing mechanisms
Section 3
- Describe the fundamental principles and basic laws of strength of materials.
- Describe the calculation method for strength and stiffness in cases of stretching/compression, shift, torsion and bending.
- Describe the method of selecting the shape of the machine part, depending on the type of loading.
- Describe methods for evaluating the durability and reliability of machine parts.
The retake exam
Section 1
Section 2
Section 3