Mechanical Vibrations

Course Information

College	Toyama College	Year	2024
Course Title	Mechanical Vibrations
Course Code	0116	Course Category	Specialized / Elective
Class Format	Lecture	Credits	Academic Credit: 2
Department	Department of Mechanical Engineering	Student Grade	4th
Term	Second Semester	Classes per Week	後期:2
Textbook and/or Teaching Materials	詳解工業力学第２版 (Toshihiro Irie, Ohmsha, Ltd.), 機械振動学 (Hiroshi Hosaka, University of Tokyo Press)
Instructor	zhao wei

Course Objectives

At the completion of this course, students will be able to
1) Can calculate the moment of inertia of basic shape
2) Write the equations of motion of basic rigid body motions, and explain the movement
3) Write the equation of motion of basic free vibration of a single degree of freedom system, and calculate the natural frequency
4) Write the equation of motion of basic damped vibration of a single degree of freedom system, and calculate the natural frequency

Rubric

	Ideal Level of Achievement (Very Good)	Standard Level of Achievement (Good)	Unacceptable Level of Achievement (Fail)
Evaluation 1	Can calculate the moment of inertia of various shape.	Can calculate the moment of inertia of basic shape.	Can't calculate the moment of inertia of basic shape.
Evaluation 2	Can write the equations of motion of applied rigid body motions and explain the movement.	Can write the equations of motion of basic rigid body motions and explain the movement.	Can't write the equations of motion of basic rigid body motions and explain the movement.
Evaluation 3	Can write the equation of motion of applied free vibration of a single degree of freedom system and calculate the natural frequency.	Can write the equation of motion of basic free vibration of a single degree of freedom system and calculate the natural frequency.	Can't write the equation of motion of basic free vibration of a single degree of freedom system and calculate the natural frequency.
Evaluation 4	Can write the equation of motion of applied damped vibration of a single degree of freedom system, and calculate the natural frequency.	Can write the equation of motion of basic damped vibration of a single degree of freedom system, and calculate the natural frequency.	Can't write the equation of motion of basic damped vibration of a single degree of freedom system, and calculate the natural frequency.

Assigned Department Objectives

Learning and Educational Objectives of the “General Engineering” A-2 （設計・システム，情報・論理，材料・バイオ，力学，社会技術に関する基礎知識を理解し，簡単に説明することができる。）

Learning and Educational Objectives of the “General Engineering” A-6 （核となる専門分野の既存技術を説明でき，社会から要求されている問題や実務上の問題を見出し設定することができる。）

JABEE 1(2)(d)(1) （専門工学（工学（融合複合・新領域）における専門工学の内容は申請高等教育機関が規定するものとする）の知識と能力）

JABEE 1(2)(d)(2) （いくつかの工学の基礎的な知識・技術を駆使して実験を計画・遂行し、データを正確に解析し、工学的に考察し、かつ説明・説得する能力）

JABEE 2.1(1) （基礎工学として、①設計・システム系科目群、②情報・論理系科目群、③材料・バイオ系科目群、④力学系科目群、⑤社会技術系科目群の５群からなり、各群から少なくとも１科目、合計最低６科目を含むこと。）

Diploma policy 1 （To develop engineers who comprehensively acquire knowledge, focusing on mechanical engineering as the basis of manufacturing and production technology, and play a role in equipment design, technology development and other engineering-related fields.）

Teaching Method

Outline:

In this course, you will learn the solution of mechanical dynamics.

Style:

Lecture

Notice:

Can take makeup exam in need aid up to maximum of 60 points.

Characteristics of Class / Division in Learning

Applicable to Remote Class

Course Plan

			Theme	Goals
2nd Semester
	3rd Quarter
		1st	Course orientation
		2nd	Kinematics and mechanical energy	Can solve the fundamental problem of kinematics and mechanical energy
		3rd	Momentum and inertia force	Can solve the fundamental problem of momentum and inertia force
		4th	Centrifugal force and constrained motion	Can solve the fundamental problem of centrifugal force and constrained motion
		5th	Equation of motion of rotation and inertia moment	Can write the equation of motion of rotation and calculate inertia moment
		6th	Plane kinetics of rigid bodies (1)	Can solve the fundamental problem of plane kinetics of rigid bodies
		7th	Plane kinetics of rigid bodies (2)	Can solve the applied problem of plane kinetics of rigid bodies
		8th	Examination
	4th Quarter
		9th	Physical pendulum	Can solve the fundamental problem of physical pendulum
		10th	Vibrations of single degree of freedom system (1)	Can write the equation of motion of free vibration
		11th	Vibrations of single degree of freedom system (2)	Can calculate spring constant and damping coefficient
		12th	Vibrations of single degree of freedom system (3)	Can calculate the natural frequency of undamped vibration
		13th	Vibrations of single degree of freedom system (4)	Can explain the fundamental of damped vibration
		14th	Exercise	Can solve the fundamental problem of vibration of single degree of freedom system
		15th	Examination
		16th	Summary

Evaluation Method and Weight (%)

	Examination	Assignment	Mutual Evaluations between students	Behavior	Portfolio	Other	Total
Subtotal	70	30	0	0	0	0	100
Basic Ability	20	10	0	0	0	0	30
Technical Ability	50	20	0	0	0	0	70
Interdisciplinary Ability	0	0	0	0	0	0	0