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 | Bachelor’s Degree (First Cycle) |
| 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;
|
| 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 | Knowledge of mathematics, natural sciences, engineering fundamentals, computing, and topics specific to the relevant engineering discipline; the ability to use this knowledge in the solution of complex engineering problems. | |||||
| 2 | The ability to identify, formulate, and analyze complex engineering problems using knowledge of basic sciences, mathematics, and engineering, and considering the UN Sustainable Development Goals relevant to the problem. | |||||
| 3 | The ability to design creative solutions for complex engineering problems; the ability to design complex systems, processes, devices, or products to meet current and future requirements, considering realistic constraints and conditions. | |||||
| 4 | The ability to select and use appropriate techniques, resources, and modern engineering and IT tools, including prediction and modeling, for the analysis and solution of complex engineering problems, with an awareness of their limitations. | |||||
| 5 | The ability to use research methods for the investigation of complex engineering problems, including literature search, designing and conducting experiments, collecting data, and analyzing and interpreting results. | |||||
| 6 | Knowledge of the effects of engineering practices on society, health and safety, the economy, sustainability, and the environment within the scope of the UN Sustainable Development Goals; awareness of the legal consequences of engineering solutions. | |||||
| 7 | Acting in accordance with engineering professional principles, knowledge of ethical responsibility; awareness of acting impartially without discrimination on any grounds and being inclusive of diversity. | |||||
| 8 | The ability to work effectively individually and in intra-disciplinary and multi-disciplinary teams (face-to-face, remote, or hybrid) as a team member or leader. | |||||
| 9 | "The ability to communicate effectively orally and in writing on technical topics, considering the various differences of the target audience (such as education, language, profession). | |||||
| 10 | Knowledge of practices in business life such as project management and economic feasibility analysis; awareness of entrepreneurship and innovation. | |||||
| 11 | The ability to engage in life-long learning, including independent and continuous learning, adapting to new and emerging technologies, and thinking inquisitively regarding technological changes. | |||||
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 | ||