OpenFOAM

Introduction

As mentioned in a recent posting, I am conducting a tutorial on flow around a 2-dimensional cylinder. While conducting this tutorial, I was unable to use pyFoamPlotWatcher.py and gnuplot in my environment. In this post, I summarize how to improve them.

Introduction

Continuing from yesterday, I tried the book example (Chapter 4 of the book). It was quite interesting.

Introduction

Yesterday, I installed OpenFOAM and ParaView and tried to simulate and visualize a Poiseuille flow (Hagen-poiseuille flow). This time, I followed the book and ran “cavity” from the OpenFOAM built-in tutorial.

Motivation

I have been working on PINNs since the end of last year and have attempted two problems. I am planning to select and work on problems in the field of fluid dynamics. In fact, I am working on incompressible flow around a cylinder, but I have been stuck for a week because I can’t figure out how to relate the output of the model to the differential equations (the key part of PINNs).

I decided to learn a bit of OpenFOAM if I am going to work on the fluid dynamics area, so I installed OpenFOAM, ParaView, and tried the examples.