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 Coordinator
Course Lecturer(s)
Course Assistants
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; Explain fundamental impact phenomena, including stress-wave formation, propagation, and interactions in solids. Characterize material behavior under high strain rates, and select appropriate constitutive models for impact analysis. Compute and interpret impact forces, energy absorption, and deformation mechanisms in aerospace materials and structures. Use commercial or research-level simulation tools, such as hydrocodes, to set up, run, and interpret impact simulations. Produce a technical report summarizing problem definition, methodology, simulations, and engineering conclusions.
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
#	Program Qualifications / Competencies	1	2	3	4	5
1	Adequate knowledge in mathematics, science and subjects specific to the aerospace engineering discipline; the ability to apply theoretical and practical knowledge of these areas to complex engineering problems.
2	The ability to identify, define, formulate and solve complex engineering problems; selecting and applying proper analysis and modeling techniques for this purpose.
3	The ability to design a complex system, process, device or product under realistic constraints and conditions to meet specific requirements; the ability to apply modern design methods for this purpose.
4	The ability to develop, select and utilize modern techniques and tools essential for the analysis and determination of complex problems in aerospace engineering applications; the ability to utilize information technologies effectively.
5	The ability to design experiments and their setups, to make experiments, gather data, analyze and interpret results for the investigation of complex engineering problems or research topics specific to the aerospace engineering discipline.
6	The ability to work effectively in inter/inner disciplinary teams; ability to work individually.
7	Effective oral and written communication skills in Turkish; the knowledge of at least one foreign language; the ability to write effective reports and comprehend written reports, to prepare design and production reports, to make effective presentations, to give and receive clear and understandable instructions.
8	Recognition of the need for lifelong learning; the ability to access information and follow recent developments in science and technology with continuous self-development
9	The ability to behave according to ethical principles, awareness of professional and ethical responsibility; knowledge of the standards utilized in aerospace engineering applications.
10	Knowledge on business practices such as project management, risk management and change management; awareness about entrepreneurship, innovation; knowledge on sustainable development.
11	Knowledge on the effects of aerospace engineering applications on the universal and social dimensions of health, environment and safety; awareness of the legal consequences of engineering solutions.
12	Knowledge on aerodynamics, materials used in aerospace engineering, structures, propulsion, flight mechanics, stability and control, and an ability to apply these on aerospace engineering problems.
13	Knowledge on orbit mechanics, position determination, telecommunication, space structures and rocket propulsion.

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