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| JFZ2005 | Waves | 2+1+0 | ECTS:3 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOPHYSICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 2 hours of lectures and 1 hour of practicals per week | | Lecturer | Prof. Dr. Nilgün Lütfiye SAYIL | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The transmission of energy by wave propagation is fundamental to geophysics. Therefore, the main aim of this course is that to give students the theory of waves and vibrations. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | summarise the general knowledge on wave propagation and be able explain its relation to the formation of eart | 1,2 | 1, | | LO - 2 : | describe the waves propagation in different media | 1,2 | 1, | | LO - 3 : | apply simple and damped media circumstance in search of wave propagation. | 1,2 | 6, | | LO - 4 : | evaluate the results of free and forced oscillations on the eart | 1,2 | 1, | | LO - 5 : | present before an audience the results and outcome of any exercis | 1,2 | 6, | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Introduction to waves-definition of wave and wave motion, physical basis of waves, simple and damped harmonic motions, waves on strings and rods; theory of vibrations in wave motion- periodic motion of a point in 1D and 2D, vibrations of two coupled particles, systems with more than two particles; concepts in wave motion-Doppler effect, dispersion, phase and group velocities, waves in time and frequency domain, amplitude, phase and frequency concepts of waves, energy, power and envelope of waves, physical meanings of Hilbert and Fourier transformation, wave interference and diffraction, acoustic and elastic waves and their principles and features in a physical medium; wave propagation and wavelet concept in the physical earth- initial and boundary conditions of wave motion, reflection and transmission coefficients, energy in a travelling wave, wavelet and its features in applied geophysics and seismolog |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Free Oscillations of Simple Systems, Simple and Damped Simple Harmonic Motion | | | Week 2 | Displacement, B.H.H. Velocity and Acceleration in Simple Harmonic Motion | | | Week 3 | Energy of a Simple Harmonic System, Superposition of Two B.H.H in One Dimension, Beating phenomenon, examples | | | Week 4 | Superposition of two orthogonal B.H.H, Superposition of multiple B.H.H, Damped Oscillations | | | Week 5 | Damped B.H.H, under-damped, critically damped and static B.H.H | | | Week 6 | Explanation of Damping of a Vibration by Logarithmic Decrement Method | | | Week 7 | Forced oscillations, Resonance, examples | | | Week 8 | Mid-term exam | | | Week 9 | Transverse wave motion | | | Week 10 | Speeds in Wave Motion, Wave equation and solution | | | Week 11 | Characteristic impedance of a string, Reflection and transmission of a wave at a boundary, examples. | | | Week 12 | Reflected and transmitted energy, Impedance Equalization | | | Week 13 | Standing waves on a string with two fixed ends, Energy of a Vibrating String | | | Week 14 | Wave envelope, energy and power, Wave groups and group velocity, | | | Week 15 | Normal modes of continuous systems and Fourier Analysis, | | | Week 16 | Excuse Week | | | |
| 1 | ? A. P. French., çev. Nazım Uçar, 1996, Titreşimler ve Dalgalar, Kültür Eğitim Vakfı, Erzurum. | | | |
| 1 | ? H.J., Pain, 1976, The Physics of Vibrations and Waves, 2nd. Edition, ISBN:0471994081. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 4 | | 2 | 50 | | End-of-term exam | 14 | | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 2 | 5 | 10 | | Arasınav için hazırlık | 3 | 6 | 18 | | Arasınav | 1 | 2 | 2 | | Dönem sonu sınavı için hazırlık | 3 | 10 | 30 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 104 |
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