Türkçe | English
GRADUATE INSTITUTE of NATURAL and APPLIED SCIENCES / DEPARTMENT of GEOPHYSICAL ENGINEERING
Masters with Thesis
Course Catalog
http://www.muhfak.ktu.edu.tr/jeofizik/
Phone: +90 0462 3772710
FBE
GRADUATE INSTITUTE of NATURAL and APPLIED SCIENCES / DEPARTMENT of GEOPHYSICAL ENGINEERING / Masters with Thesis
Katalog Ana Sayfa
  Katalog Ana Sayfa  KTÜ Ana Sayfa   Katalog Ana Sayfa
 
 

JFZ5280Modeling of Gravity Fields in 2-D and 3-D3+0+0ECTS:7.5
Year / SemesterFall Semester
Level of CourseSecond Cycle
Status Elective
DepartmentDEPARTMENT of GEOPHYSICAL ENGINEERING
Prerequisites and co-requisitesNone
Mode of DeliveryFace to face
Contact Hours14 weeks - 3 hours of lectures per week
LecturerProf. Dr. Ali ELMAS
Co-LecturerNone
Language of instructionTurkish
Professional practise ( internship ) None
 
The aim of the course:
Interpolation of the 2D - 3D Gravity magnetics model geometry. Proceeding from the direct and inverse calculation.
 
Programme OutcomesCTPOTOA
Upon successful completion of the course, the students will be able to :
PO - 1 : design gravity and magnetic geophysical surveys and adapt techniques to achieve specific exploration objectives1,21
PO - 2 : write computer programs to model the geophysical responses measured in a variety of gravity and magnetic techniques.1,21
PO - 3 : analysis and description of the data, which were by procedures of Gravity and magnetic measurements.1,21
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), PO : Learning Outcome

 
Contents of the Course
Newton potential. Gravity field of the earth. 2D and 3D algorithms. Models in 2D and 3D. Comparison of 2D and 3D gravity anomalies. Density determination using inversion methods. Reduction of standard deviation by forming different models. Concept of function coefficient used in calculations. Use of multiple data set.
 
Course Syllabus
 WeekSubjectRelated Notes / Files
 Week 1to remember 2d gravity algorithm of simple geometric shapes briefly, mass or ball point, infinite length of thin wire mass, (t) thin semi-infinite, or limited in length with a horizontal angle alpha which fine mass, vertical rectangular cross-section which mass, random-shaped masses and their application studies.
 Week 2for the simple 3d gravity model geometry algorithms, rectangles and polygons prism zone and the corresponding numerical program applications.
 Week 3Be defined based modelgeometrilerin surface 3d of gravity trianglasyon algorithm definition.
 Week 4Algorithms written in a main Trianglasyon prepared program input data that is the mass of the sub-programs separated surfaces design and spelling techniques, are served in different forms of data and programs to be run.
 Week 5Related programs using a simple algorithm 3d calculated for various model geometries gravity, trianglasyon algorithm validity of the test and the determination of this simple algorithm.
 Week 6Algorithm based on lower and Trianglasion main programs being used by various very complex calculation of 3d model geometries gravity and Geoid anomaly.
 Week 72d as the design and model geometry 3d model geometry density 2d and 3d gravity anomalies calculated accepted comparison with each other and their determination they are the same.
 Week 83d superiority in the face of gravity accounts 2d accounts that demonstrate different gravity model calculations, 3d model calculation elimination of border effects.
 Week 9Mid-term exam
 Week 10The marked difference in intensity of the positive-negative model geometry Geoid anomaly 2d, 3d calculated with the same design model geometry 3d but identical with the positive sign of Geoid anomalies and the determination of the difference signal source because of the algorithm.
 Week 11The positive difference density and multiple formations that contain a negative sign for the amateur model geometry calculated 2d Geoid anomaly, inversion account values as a measure of the density calculation and the algorithm source and positive reasons.
 Week 12Shaped formations that contain more than one artificial 3d random gravity and Geoid anomalies model geometry density accepted account, these values used as 3d inversion account for the size determination and interpretation of and the same density.
 Week 13Artificial 3d, y-equivalent to infinite distance in the direction facing the extended random-shaped formations that contain more than one model geometry geoid and gravity anomalies accepted density of the account, these values 2d inversion account for the extent and as a calculation of the same intensity and interpretation.
 Week 14Artificial 3d random shaped and limited volum formations that contain more than one model geometry geoid and gravity anomalies accepted density of the account, these values 2d inversion account values as a measure and calculation of different density, 2d gravity account and interpretation of the drawbacks.
 Week 152d and 3d in gravity studies in the literature available model geometries related programs using the same intensity under the assumption of similarity calculation and gravities again, small or large differences of interpretation.
 Week 16End-of-term exam
 
Textbook / Material
1Jacoby, W.R., Smilde, P., 2009 Gravity Interpretation: Fundamentals and Application of Gravity Inversion and Geological Interpretation, Springer, US.
 
Recommended Reading
1Telfort, W.M., et all., 1991, Applied Geophysics
2Friedrich, B., et all., 1985, Angewandte Geowissenschaften
3Erden, F., 1979, Uygulamalı Gravite
 
Method of Assessment
Type of assessmentWeek NoDate

Duration (hours)Weight (%)
Mid-term exam 9 2 50
End-of-term exam 16 2 50
 
Student Work Load and its Distribution
Type of workDuration (hours pw)

No of weeks / Number of activity

Hours in total per term
Diğer 1 8 14 112
Total work load112