ECTS - Fundamentals of Impact Dynamics
Fundamentals of Impact Dynamics (ASE450) Course Detail
| Course Name | Course Code | Season | Lecture Hours | Application Hours | Lab Hours | Credit | ECTS |
|---|---|---|---|---|---|---|---|
| Fundamentals of Impact Dynamics | ASE450 | Area Elective | 3 | 0 | 0 | 3 | 5 |
| Pre-requisite Course(s) |
|---|
| (ME210 veya ME211) |
| Course Language | English |
|---|---|
| Course Type | Elective Courses |
| Course Level | Natural & Applied Sciences Master's Degree |
| Mode of Delivery | |
| Learning and Teaching Strategies | Lecture, Question and Answer, Team/Group. |
| Course Lecturer(s) |
|
| Course Objectives | • Gain an understanding of the fundamentals of impact dynamics, including stress waves, high strain-rate material behavior, and basic constitutive models used in aerospace structures. • Analyze how materials respond to impacts, including high-velocity and hypervelocity conditions. • Use numerical tools and computer simulations, such as hydrocodes and finite-element softwares to model impact events and understand the results. • Present a computational impact analysis involving problem definition, literature review, and simulations. |
| Course Learning Outcomes |
The students who succeeded in this course;
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| Course Content | Stress Waves in Solids, Material Behavior at High Strain. Rates, Constitutive Models for High Strain Rates, HighVelocity and Hypervelocity Impact Dynamics, Numerical. Simulation of Impact Events. |
Weekly Subjects and Releated Preparation Studies
| Week | Subjects | Preparation |
|---|---|---|
| 1 | Introduction to impact phenomena: basic terminology; types of impact, impact Dynamics fundamentals: momentum transfer, energy partitioning, characteristic timescales and impact regimes | Rao et al, Ch 1. Introduction |
| 2 | Classical theory of impact: stereomechanical impact; stress waves in solids: one-dimensional stress-wave propagation; elastic, elastic–plastic, and shock waves; wave interactions: reflections, transmissions, mechanical impedance. | Rao et al, Ch 2. Rigid body impact mechanics Rao et al, Ch 3. 1D impact mechanics of deformable bodies Yu & Qiu Part 1; stress waves in solids. |
| 3 | Classical theory of impact: stereomechanical impact; stress waves in solids: one-dimensional stress-wave propagation; elastic, elastic–plastic, and shock waves; wave interactions: reflections, transmissions, mechanical impedance. | Rao et al, Ch 3. 1D impact mechanics of deformable bodies Yu & Qiu Part 1; stress waves in solids. |
| 4 | Material behavior at high strain rates; modeling deformation under impact: equation of state, constitutive models, failure/damage models, temperature rise during impact. | Yu & Qiu Part 2; dynamic behavior of materials, constitutive equations at high strain rates. Zukas, J.A., Ch. 1 Dynamic behavior of materials |
| 5 | Material behavior at high strain rates; modeling deformation under impact: equation of state, constitutive models, failure/damage models, temperature rise during impact. | Yu & Qiu Part 2; dynamic behavior of materials, constitutive equations at high strain rates. Rao et al, Ch 6. Modeling deformation and failure under impact Zukas, J.A., Ch. 3 Shock waves in solids |
| 6 | High-strain rate mechanical testing: intermediate strain rate machines, split Hopkinson pressure bar, expanding ring technique. | Rao et al, Ch 5. Experimental impact mechanics Yu & Qiu Part 2; dynamic behavior of materials, constitutive equations at high strain rates. |
| 7 | High-strain rate mechanical testing: intermediate strain rate machines, split Hopkinson pressure bar, expanding ring technique. | Rao et al, Ch 5. Experimental impact mechanics Yu & Qiu Part 2; dynamic behavior of materials, constitutive equations at high strain rates. |
| 8 | Mid-Term Exam | |
| 9 | Principles of numerical formulations; numerical integration methods; computational aspects in numerical simulation: hour-glass control, adaptive meshing, contact-impact, penalty method. | Rao et al, Ch 7. Computational impact mechanics Zukas, J.A., Ch. 4 Introduction to numerical modeling of fast, transient phenomena. |
| 10 | Principles of numerical formulations; numerical integration methods; computational aspects in numerical simulation: hour-glass control, adaptive meshing, contact-impact, penalty method. | Rao et al, Ch 7. Computational impact mechanics Zukas, J.A., Ch. 4 Introduction to numerical modeling of fast, transient phenomena. |
| 11 | Classification of ballistic impact; projectile shape, targets, impact response of materials to ballistic impact. | Rao et al, Ch 9. Ballistic impact |
| 12 | Classification of ballistic impact; projectile shape, targets, impact response of materials to ballistic impact. | Rao et al, Ch 9. Ballistic impact |
| 13 | Mechanics of penetration and perforation; failure modes and mechanisms; ballistic impact models, ballistic testing. | Rao et al, Ch 9. Ballistic impact |
| 14 | Mechanics of penetration and perforation; failure modes and mechanisms; ballistic impact models, ballistic testing. | Rao et al, Ch 9. Ballistic impact |
| 15 | Term Project Presentations | |
| 16 | Final Exam |
Sources
| Course Book | 1. Yu, T. X., Qiu, X., Introduction to Impact Dynamics, Wiley, 2018. |
|---|---|
| Other Sources | 2. Rao, L. ve diğerleri, Applied Impact Mechanics, Wiley, 2016. Zukas, Jonas A., High Velocity Impact Dynamics, Wiley Interscience, 1990. Zukas, J. A., Introduction to Hydrocodes, Elsevier, 2004. |
Evaluation System
| Requirements | Number | Percentage of Grade |
|---|---|---|
| Attendance/Participation | - | - |
| Laboratory | - | - |
| Application | - | - |
| Field Work | - | - |
| Special Course Internship | - | - |
| Quizzes/Studio Critics | - | - |
| Homework Assignments | 6 | 10 |
| Presentation | 1 | 10 |
| Project | - | - |
| Report | - | - |
| Seminar | - | - |
| Midterms Exams/Midterms Jury | 1 | 30 |
| Final Exam/Final Jury | 1 | 50 |
| Toplam | 9 | 100 |
| Percentage of Semester Work | |
|---|---|
| Percentage of Final Work | 100 |
| Total | 100 |
Course Category
| Core Courses | X |
|---|---|
| Major Area Courses | |
| Supportive Courses | |
| Media and Managment Skills Courses | |
| Transferable Skill Courses |
The Relation Between Course Learning Competencies and Program Qualifications
| # | Program Qualifications / Competencies | Level of Contribution | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 1 | Demonstrates the ability to conduct advanced research activities both individually and as a team member. | |||||
| 2 | Gains the competence to examine, evaluate, and interpret research topics through scientific reasoning. | |||||
| 3 | Develops new methods and applies them to original research areas and topics. | |||||
| 4 | Systematically acquires experimental and/or analytical data, discusses and evaluates them to reach scientific conclusions. | |||||
| 5 | Applies the scientific philosophical approach in the analysis, modeling, and design of engineering systems. | |||||
| 6 | Synthesizes knowledge in their field to create, maintain, complete, and present original studies at an international level. | |||||
| 7 | Contributes to scientific and technological advancements in their engineering field. | |||||
| 8 | Contributes to industrial and scientific progress to improve society through research activities. | |||||
ECTS/Workload Table
| Activities | Number | Duration (Hours) | Total Workload |
|---|---|---|---|
| Course Hours (Including Exam Week: 16 x Total Hours) | 16 | 3 | 48 |
| Laboratory | |||
| Application | |||
| Special Course Internship | |||
| Field Work | |||
| Study Hours Out of Class | 14 | 3 | 42 |
| Presentation/Seminar Prepration | 1 | 5 | 5 |
| Project | |||
| Report | |||
| Homework Assignments | 6 | 2 | 12 |
| Quizzes/Studio Critics | |||
| Prepration of Midterm Exams/Midterm Jury | 1 | 8 | 8 |
| Prepration of Final Exams/Final Jury | 1 | 10 | 10 |
| Total Workload | 125 | ||