Purdue University

Department of Earth, Atmospheric and Planetary Sciences

 

EAPS 657 – Spring 2021

modelGEOPHYSICAL INVERSE THEORY

Instructor:   Robert Nowack, 494-5978

                   nowack@purdue.edu

Credits:  3

Prerequisite:  Consent of Instructor

Time:  TTH 12:00-1:20 PM

Place:  Synchronous Online

 

COURSE OUTLINE

1)      Introduction

Example using the Earth’s magnetic field

2)      Review of Vector Space Methods

Banach spaces/Hilbert spaces

Generalized Fourier Series

Adjoint theorems

3)      Spectral and Singular Value Decompositions

4)      Maximum Likelihood and Stochastic Inversion

5)      Tomography as a Linearized Inverse Problem

6)      Surface Wave Analysis of Dispersion

7)      Linear Equality and Inequality Constraints

8)      L1 Norm/Non-Gaussian Statistics

9)      Iterative Steepest Descent and Conjugate Gradients

10)    Monte Carlo Methods, Simulated Annealing and Genetic Algorithms

11)    Kalman Filtering and Data Assimilation

12)    Continuous Operators

The Green’s function as an inverse operator

Adjoint operators

Reciprocity

Functional derivatives

13)    Example of the Inverse Problem for Earthquake Source Parameters

14)    Example of the Imaging and Migration of Seismic Reflection Data

15)    The Physics of Layered Media

15)    Brief Introduction to Neural Networks and Deep Learning

 

 

 

(A Computational Science & Engineering Elective Course)