地球动力学数值模拟公开课通知

理论讲座日程及内容

Aug. 14^th

Introduction to Geodynamics.

Why use numerical models? Examples of studies.

Basic processes, physical description of these processes.

Rocks modeled as fluids?

Are rocks incompressible?

Conservation of mass, momentum and energy

Understand the parts of the basic equations: advection, diffusion, inertia

Assumptions and simplifications.

Boussinesq, Prandtl number, Deborah number

Aug. 15^th

How to solve the equations with a computer. Brief introduction to numerical techniques commonly used in geodynamics

Finite Differences for the heat equation

Comments on Finite Differences for the flow problem

Intro to Finite Elements. Main differences between FD and FE.

Aug. 16^th

Physical properties of rocks

Constitutive equations

Rheology. How rocks deform.

Density. Different models for density

Dependence of viscosity and density on temperature, pressure, strain rate.

Advanced topic: mineral physics. Introduction to thermodynamical computation of physical properties.

Aug. 17^th

Practical aspects of the numerical models

Scaling of the equations

Initial conditions

Boundary conditions

Aug. 18^th

Case studies. Examples of numerical studies;

Student reports

Small scale convection

Deformation of the Moroccan margin

Uplift of the Andes