essay代写-AMME2500-Assignment 3

时间：2021-06-04

AMME2500 Engineering Dynamics:

Assignment 3 (10%)

General Information:

• This assignment is due Saturday 5th June 11:59pm

• Late assignments will be deducted 5% (5 marks out of a possible 100) for

each day late, starting from midnight on the day after the assignment is

due and including weekends. Assignments that are 10 days late or more

will receive zero marks.

• Any special consideration requires you to go through the Special

Consideration process via Sydney Student.

• Any incidence of academic dishonesty or plagiarism will result in the

issue being followed up with the Academic Honesty Coordinator and then

onto the University Registrar, and will result in zero marks for this

assessment, and may result in automatic failure of this unit of study. For

more information on academic honesty, see:

https://sydney.edu.au/students/academic-dishonesty-and-

plagiarism.html

• This assignment should take the average student 8 hours to complete.

Assignment Objectives:

• In this assignment, you will study the dynamic behaviour of a system of

your choice. You will use the theoretical principles and analysis

techniques developed in the course so far to develop and solve the

equations of motion from an example of your selected system.

• The assignment will test your ability to perform research into your

system, draw relationships between dynamics theory and real systems,

make approximations, and to make realistic predictions about the motion

of the system.

Assignment Instructions:

• Choose one of the systems suggested at the end of the assignment.

• Choose at least one of the following theoretical concepts in dynamics to

describe your system/problem and its dynamic behaviors:

o Work and Energy of particles or rigid bodies

o Linear and/or angular momentum of particles or rigid bodies

o Kinematics and/or kinetics of particles, rigid bodies or machines

• You will perform research into the dynamics of your chosen system and

use the chosen theoretical concepts in dynamics to describe the approach

to predicting the motion of the system.

• You will develop a specific example of your system (with realistic

numbers derived from research) and use principles in dynamics to derive

equations of motion for your example. You will solve the equations of

motion using analytical and/or numerical methods and present and

discuss your results/predictions in relation to the expected system

behaviors uncovered through your own research.

• You will write a report in which you discuss the dynamics of the chosen

system and present your example, results and discussion. Your report

must use the following structure:

o Introduction (approx. one page):

Describe the system under consideration

Describe in your own words your chosen concepts in

dynamics used to describe the dynamic behaviors of your

system in general terms, and describe how these concepts

can be used to examine your chosen system.

o System/Problem Example (approx. two pages):

Provide an example of your system, and use this example to

develop/solve equations of motion for the system

considered.

Your example should include realistic measurements for

the physical structure, mass, inertia, force/torque, velocity,

acceleration etc. that are sourced from your research or

appropriately reasoned.

Draw free body diagrams of your system, detailing and

rationalizing any approximations you have made, then

apply theoretical principles to develop equations of motion.

o Results and Discussion (approx. two pages)

Solve your equations of motion using analytical and/or

numerical methods and present results illustrating the

behavior of your system

Discuss the system motion/behavior using your results and

relate this to the expected system behavior from your

research.

o References

Provide citations for all researched information, figures etc.

o Appendix: MATLAB/Octave code

If you use MATLAB/Octave code in this assignment, please

provide it in an appendix

o The main body of the report (includes the Introduction, Example,

Results and Discussion) has a strict page limit of no more than five

pages. Your references and appendix are not included in the page

limit.

Submission Instructions:

• You should submit a single report file (pdf or word doc format) according

to the report format outlined above. The main body of the report should

be no more than five pages; the references and optional MATLAB code

appendix are not part of the five-page limit. The report should have your

name and SID clearly written at the top. You will submit this report using

Turnitin on the course’s Canvas site by Saturday 5th June 11:59pm.

Assessment Criteria:

• Report and Written communication (30%)

o Has the problem/system been clearly described and presented?

o Have the chosen theoretical concepts in dynamics been properly

explained?

o Has research on the system considered been performed and

appropriate reference to external sources made (e.g. textbooks,

websites, journal/conference articles etc.)?

• Application of dynamics principles to your chosen problem/system

(40%)

o Has an appropriate theoretical model for the behavior of the

system under consideration been developed? Have appropriate

approximations been made?

o Have schematics of the system and freebody diagrams been

developed and clearly presented?

o Are the equations/theory correctly applied to develop equations of

motion for the system, or to evaluate specific motion cases?

• Depth, detail and creativity (30%)

o Has the system been considered in an appropriate level of detail?

o Have numerical modeling techniques/simulation or other physical

experiments been recorded to validate the proposed motion of the

system detailed in the example and results?

Other Important Points:

• When presenting calculations and results:

o Show only your relevant calculations and working, clearly

illustrated diagrams with relevant variables indicated and working

units (use SI units unless otherwise specified)

o You may submit working using either (a) typed mathematical

symbols (LaTeX/Microsoft equations etc.) and computer-drawn

diagrams or (b) handwritten working and diagrams that will be

scanned or photographed for electronic submission.

o Ensure scanned/photographed working is legible. If the tutor

cannot read your work, you will receive zero marks for that

section of the report.

o Graphs and plots must be clearly titled, with correct use of axis

labels and legends, units must be specified

• Any sections of written text in the report must be in a machine-readable

format (i.e. no scanned hand written text in your report, must by typed)

• When presenting MATLAB code in your appendix, comment your code

thoroughly and perform important steps in the calculations on separate

lines of code

Suggested Systems

System A: Roller Coaster Vertical Loop

During a roller coaster ride, a vertical

loop is a section of the track in which

the car undergoes a complete 360o

turn for which passengers are upside-

down at the top of the loop. Questions

to consider:

• How are these systems

designed from the perspective

of safety and fun for

passengers?

• How is the track shaped and

how is the speed of the car

controlled?

• What are the

accelerations/force vectors

experienced by passengers

along the track?

System B: Dynamics of a Medieval Catapult

A catapult is a ballistic device

used to launch a projectile over

large distances without the aid of

explosives. Examples include the

Trebuchet shown here, but you

can choose to analyse different

designs. Questions to consider:

• Mechanically speaking,

how were catapults

designed to transfer forces

and mechanical energy to

a projectile?

• How were the speed and

angle for which the

projectile was launched

controlled and determined

based on a desired target?

System C: Collision Ball Sports: Billiards or Ten Pin Bowling

Billiards (or Snooker, Pool) and Ten

Pin Bowling are two sports that

involve predicting the behaviours of

rigid bodies undergoing collisions.

Questions to consider:

• In billiards, how is a cue-ball

struck in order to direct a

coloured ball into a pocket?

What role does the friction

between the balls and table

play?

• In ten pin bowling, how does

the ball achieve the required

speed and angle to knock down

as many of the pins as possible?

How do the pins and ball

interact during a strike?

System D: Kinematics and Forces in a Reciprocating Engine

In a reciprocating engine, forces

induced by pressure on a piston head

are used to drive the rotational motion

of a crank shaft. Questions to consider:

• In a reciprocating engine

consisting of a piston,

connecting rod and crankshaft,

what is the relationship

between the angular and linear

accelerations and velocities?

• How do these vary over the

engine rotation angle, and how

do the size/length of these

components effect the

acceleration of the piston?

• What implication does this have

towards vibration?

System E: Rocket Launch into Earth Orbit

A rocket that launches a spacecraft

from the ground into an orbit around

the Earth provides enough velocity to

the spacecraft to achieve a steady

orbit under the influence of gravity.

Questions to consider:

• What are the forces that act

on a rocket during a launch?

• How big must a rocket be and

how much propellant must it

burn to achieve a typical low

earth orbit of 400km above

the surface of the Earth?

• Why do rockets use multiple

“stages”?

欢迎咨询51学霸君

Assignment 3 (10%)

General Information:

• This assignment is due Saturday 5th June 11:59pm

• Late assignments will be deducted 5% (5 marks out of a possible 100) for

each day late, starting from midnight on the day after the assignment is

due and including weekends. Assignments that are 10 days late or more

will receive zero marks.

• Any special consideration requires you to go through the Special

Consideration process via Sydney Student.

• Any incidence of academic dishonesty or plagiarism will result in the

issue being followed up with the Academic Honesty Coordinator and then

onto the University Registrar, and will result in zero marks for this

assessment, and may result in automatic failure of this unit of study. For

more information on academic honesty, see:

https://sydney.edu.au/students/academic-dishonesty-and-

plagiarism.html

• This assignment should take the average student 8 hours to complete.

Assignment Objectives:

• In this assignment, you will study the dynamic behaviour of a system of

your choice. You will use the theoretical principles and analysis

techniques developed in the course so far to develop and solve the

equations of motion from an example of your selected system.

• The assignment will test your ability to perform research into your

system, draw relationships between dynamics theory and real systems,

make approximations, and to make realistic predictions about the motion

of the system.

Assignment Instructions:

• Choose one of the systems suggested at the end of the assignment.

• Choose at least one of the following theoretical concepts in dynamics to

describe your system/problem and its dynamic behaviors:

o Work and Energy of particles or rigid bodies

o Linear and/or angular momentum of particles or rigid bodies

o Kinematics and/or kinetics of particles, rigid bodies or machines

• You will perform research into the dynamics of your chosen system and

use the chosen theoretical concepts in dynamics to describe the approach

to predicting the motion of the system.

• You will develop a specific example of your system (with realistic

numbers derived from research) and use principles in dynamics to derive

equations of motion for your example. You will solve the equations of

motion using analytical and/or numerical methods and present and

discuss your results/predictions in relation to the expected system

behaviors uncovered through your own research.

• You will write a report in which you discuss the dynamics of the chosen

system and present your example, results and discussion. Your report

must use the following structure:

o Introduction (approx. one page):

Describe the system under consideration

Describe in your own words your chosen concepts in

dynamics used to describe the dynamic behaviors of your

system in general terms, and describe how these concepts

can be used to examine your chosen system.

o System/Problem Example (approx. two pages):

Provide an example of your system, and use this example to

develop/solve equations of motion for the system

considered.

Your example should include realistic measurements for

the physical structure, mass, inertia, force/torque, velocity,

acceleration etc. that are sourced from your research or

appropriately reasoned.

Draw free body diagrams of your system, detailing and

rationalizing any approximations you have made, then

apply theoretical principles to develop equations of motion.

o Results and Discussion (approx. two pages)

Solve your equations of motion using analytical and/or

numerical methods and present results illustrating the

behavior of your system

Discuss the system motion/behavior using your results and

relate this to the expected system behavior from your

research.

o References

Provide citations for all researched information, figures etc.

o Appendix: MATLAB/Octave code

If you use MATLAB/Octave code in this assignment, please

provide it in an appendix

o The main body of the report (includes the Introduction, Example,

Results and Discussion) has a strict page limit of no more than five

pages. Your references and appendix are not included in the page

limit.

Submission Instructions:

• You should submit a single report file (pdf or word doc format) according

to the report format outlined above. The main body of the report should

be no more than five pages; the references and optional MATLAB code

appendix are not part of the five-page limit. The report should have your

name and SID clearly written at the top. You will submit this report using

Turnitin on the course’s Canvas site by Saturday 5th June 11:59pm.

Assessment Criteria:

• Report and Written communication (30%)

o Has the problem/system been clearly described and presented?

o Have the chosen theoretical concepts in dynamics been properly

explained?

o Has research on the system considered been performed and

appropriate reference to external sources made (e.g. textbooks,

websites, journal/conference articles etc.)?

• Application of dynamics principles to your chosen problem/system

(40%)

o Has an appropriate theoretical model for the behavior of the

system under consideration been developed? Have appropriate

approximations been made?

o Have schematics of the system and freebody diagrams been

developed and clearly presented?

o Are the equations/theory correctly applied to develop equations of

motion for the system, or to evaluate specific motion cases?

• Depth, detail and creativity (30%)

o Has the system been considered in an appropriate level of detail?

o Have numerical modeling techniques/simulation or other physical

experiments been recorded to validate the proposed motion of the

system detailed in the example and results?

Other Important Points:

• When presenting calculations and results:

o Show only your relevant calculations and working, clearly

illustrated diagrams with relevant variables indicated and working

units (use SI units unless otherwise specified)

o You may submit working using either (a) typed mathematical

symbols (LaTeX/Microsoft equations etc.) and computer-drawn

diagrams or (b) handwritten working and diagrams that will be

scanned or photographed for electronic submission.

o Ensure scanned/photographed working is legible. If the tutor

cannot read your work, you will receive zero marks for that

section of the report.

o Graphs and plots must be clearly titled, with correct use of axis

labels and legends, units must be specified

• Any sections of written text in the report must be in a machine-readable

format (i.e. no scanned hand written text in your report, must by typed)

• When presenting MATLAB code in your appendix, comment your code

thoroughly and perform important steps in the calculations on separate

lines of code

Suggested Systems

System A: Roller Coaster Vertical Loop

During a roller coaster ride, a vertical

loop is a section of the track in which

the car undergoes a complete 360o

turn for which passengers are upside-

down at the top of the loop. Questions

to consider:

• How are these systems

designed from the perspective

of safety and fun for

passengers?

• How is the track shaped and

how is the speed of the car

controlled?

• What are the

accelerations/force vectors

experienced by passengers

along the track?

System B: Dynamics of a Medieval Catapult

A catapult is a ballistic device

used to launch a projectile over

large distances without the aid of

explosives. Examples include the

Trebuchet shown here, but you

can choose to analyse different

designs. Questions to consider:

• Mechanically speaking,

how were catapults

designed to transfer forces

and mechanical energy to

a projectile?

• How were the speed and

angle for which the

projectile was launched

controlled and determined

based on a desired target?

System C: Collision Ball Sports: Billiards or Ten Pin Bowling

Billiards (or Snooker, Pool) and Ten

Pin Bowling are two sports that

involve predicting the behaviours of

rigid bodies undergoing collisions.

Questions to consider:

• In billiards, how is a cue-ball

struck in order to direct a

coloured ball into a pocket?

What role does the friction

between the balls and table

play?

• In ten pin bowling, how does

the ball achieve the required

speed and angle to knock down

as many of the pins as possible?

How do the pins and ball

interact during a strike?

System D: Kinematics and Forces in a Reciprocating Engine

In a reciprocating engine, forces

induced by pressure on a piston head

are used to drive the rotational motion

of a crank shaft. Questions to consider:

• In a reciprocating engine

consisting of a piston,

connecting rod and crankshaft,

what is the relationship

between the angular and linear

accelerations and velocities?

• How do these vary over the

engine rotation angle, and how

do the size/length of these

components effect the

acceleration of the piston?

• What implication does this have

towards vibration?

System E: Rocket Launch into Earth Orbit

A rocket that launches a spacecraft

from the ground into an orbit around

the Earth provides enough velocity to

the spacecraft to achieve a steady

orbit under the influence of gravity.

Questions to consider:

• What are the forces that act

on a rocket during a launch?

• How big must a rocket be and

how much propellant must it

burn to achieve a typical low

earth orbit of 400km above

the surface of the Earth?

• Why do rockets use multiple

“stages”?

欢迎咨询51学霸君

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