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2024 Faculty Courses School of Engineering Undergraduate major in Mechanical Engineering

Engineering Mechanics

Academic unit or major
Undergraduate major in Mechanical Engineering
Instructor(s)
Wataru Hijikata / Takasi Nisisako
Class Format
Lecture (Face-to-face)
Media-enhanced courses
-
Day of week/Period
(Classrooms)
1-4 Wed
Class
-
Course Code
MEC.A201
Number of credits
200
Course offered
2024
Offered quarter
1Q
Syllabus updated
Mar 17, 2025
Language
Japanese

Syllabus

Course overview and goals

This course is mainly for students who have selected the field of mechanical engineering (Department of Mechanical Engineering) and lectures on the following points as an introductory course to various applied mechanics in the field.
1. Statics (mass point, rigid body, moment of a force, etc.)
2. Dynamics of a mass point (relative motion, Coriolis acceleration, etc.)
3. Dynamics of a rigid body (moment of inertia, angular momentum, tensor of inertia, gyroscopic effect, etc.)
The notable aim of this course is to reinforce the understanding gained in Fundamentals of Mechanics, a first-year general education course, and for students to gain ability in solving specific mechanics problems in theory and by numerical calculation as students of mechanical engineering for whom mechanics is especially vital.

Course description and aims

1. Statics: To understand force and moment that works on a point mass or rigid body.
2. Dynamics1: To understand relative motion, relative and Coriolis acceleration.
3. Dynamics2: To understand inertia moment of a rigid body.
4. Dynamics3: To introduce Euler's formula of dynamics based on angular momentum and inertia tensor. And to understand gyro effect.

Keywords

Statics, Truss and rahmen, motion of a mass point, motion of a rigid body

Competencies

  • Specialist skills
  • Intercultural skills
  • Communication skills
  • Critical thinking skills
  • Practical and/or problem-solving skills
  • Basic knowledge for mechanical engineering

Class flow

This course consists of lectures including exercise problems.

Course schedule/Objectives

Course schedule Objectives
Class 1

Force acting on a mass point, and the balance of force

Force is expressed by vector. Force is composed and decomposed.

Class 2

Force acting on a rigid body, and the balance of force

Relationship between moment and force, Composition and Decomposition of forces

Class 3

Basic analysis of truss by means of the balance of force

Analysis of the load applied to truss elements

Class 4

Basic analysis of truss by means of virtual work principle

Virtual work principle and analysis of truss based on the principle

Class 5

Relative motion (part 1): in two-dimensional rotary coordinate system

Relative motion in two-dimensional rotary coordinate systems

Class 6

Relative motion (part 2): in three-dimensional rotary coordinate system

Relative motion in three-dimensional rotary coordinate systems

Class 7

Motion of rigid body (part 1): Expression of motion, and the moment of inertia (part1)

MMoment of inertia, Motion of a rigid body

Class 8

Motion of rigid body (part 2): The theorem of the parallel axis

Theorem of the parallel axis

Class 9

Motion of rigid body (part 3): Tensor of inertia

Tensor of inertia

Class 10

Motion of rigid body (part 4):The inertial ellipse body and the principal axes of the moment of inertia

Inertial ellipse body, Principal axes of the moment of inertia

Class 11

Motion of rigid body (part 5): Angular momentum and kinetic energy

Amomentum of inertia, Kinetic energy

Class 12

Motion of rigid body (part 6): coordinate transformation

Transformation between two coordinate systems

Class 13

Motion of rigid body (part 7): the vector expression of angular velocity

Understand the vector expression of angular velocity.

Class 14

Euler equations of motion, The gyroidal effect

Euler equations of motion, Gyroidal effect

Study advice (preparation and review)

To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks.

Textbook(s)

大熊政明著,「新・工業力学」(数理工学社)

Reference books, course materials, etc.

大熊政明著,「新・演習工業力学」(数理工学社)

Evaluation methods and criteria

To be evaluated based on the final exam.

Related courses

  • LAS.P101 : Fundamentals of Mechanics 1
  • LAS.P102 : Fundamentals of Mechanics 2
  • LAS.M106 : Linear Algebra II
  • MEC.D201 : Mechanical Vibrations

Prerequisites

You have to completed 'Fundamentals of mechanics 1 and 2' , or have equivalent knowledge.
Moreover, you have to have knowledge of Linear Algebra II (eigen value, eigen vector).