Dynamic semi-structured meshes for fast numerical simulation of Multi-Phase Modelling in Oil and Gas

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Dynamic semi-structured meshes for fast numerical simulation of Multi-Phase Modelling in Oil and Gas

This project will develop and implement a semi-structured mesh approach within the Multiphase-Fluidity project
to significantly improve its speed. Multiphase-Fluidity incorporates state-of-the-art technology for multiphase NavierStokes flow simulation, including unstructured dynamic mesh optimisation, high order element methods. Applications of Multiphase-Fluidity are numerous and include simulation of jets, droplets, boiling reactors, flow in pipes, mixing tanks etc. Currently, Multiphase-Fluidity uses fully unstructured meshes. Flexible meshing technology is required in order to honour the complex geometries that naturally occur in engineering applications (e.g. Fig. 1). However, numerical simulations using unstructured meshes are inherently slower than those using structured meshes due to the indirect addressing required by the former. This is partly compensated in Multiphase-Fluidity by using dynamic adaptive mesh optimisation which reduces the number of elements whilst maintaining required resolution to correctly model the physics.

TABLE OF CONTENT
Title page- – – – – – – – – i
Approval page – – – – – – – -ii
Dedication – – – – – – – – -iii
Acknowledgement – – – – – – – -iv
Abstract – – – – – – – – – -v
Table of content – – – – – – – -vi

CHAPTER ONE
INTRODUCTION – – – – – – – -1
1.0 Background of the study – – – – -1
1.1 Statement of the problem – – – – -5
1.2 Purpose of the study – – – – – -6
1.3 Significance of the study – – – – -8
1.4 Research questions – – – – – -9
1.5 Scope of the study – – – – – – -10

CHAPTER TWO

LITERATURE REVIEW – – – – – – -11

CHAPTER THREE

Research methodology – – – – – – -39
Design of study – – – – – – – -40

CHAPTER FOUR

Presentation, analysis and interpretation of data – -48

CHAPTER FIVE

Summary of findings – – – – – – -60
Conclusion – – – – – – – – -61
Recommendations – – – – – – – -62
Suggestions for further research – – – – -64
References – – – – – – – – -65
Appendix I – – – – — – – – -68
Questionnaire. – – – – – – – -69

Dynamic semi-structured meshes for fast numerical simulation of Multi-Phase Modelling in Oil and Gas

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