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3D Visualization and Simulation of Structures using Finite Element Analysis for Teaching Ben Young Department of Civil Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong. SCOPE OF THE PRESENTATION INTRODUCTION

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slide1

3D Visualization and Simulation of Structures using Finite Element Analysis for TeachingBen Young

Department of Civil Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.

slide2

SCOPE OF THE PRESENTATION

  • INTRODUCTION
  • FINITE ELEMENT ANALYSIS FOR RESEARCH
  • FINITE ELEMENT ANALYSIS FOR TEACHING
  • CONCLUSIONS
slide3

SCOPE OF THE PRESENTATION

  • INTRODUCTION
  • FINITE ELEMENT ANALYSIS FOR RESEARCH
  • FINITE ELEMENT ANALYSIS FOR TEACHING
  • CONCLUSIONS
slide4

However, these kinds of presentation are constrained in 2D. For most engineering concepts, it is necessary to show the object in 3D.

INTRODUCTION

  • Most of the classroom teaching is conducted using transparency and PowerPoint presentation to deliver the lecture material.
slide5
INTRODUCTION
  • For instance, the stresses, strains and deformations of an object are the important parameters to illustrate the structural behaviour subject to loading.
  • However, these phenomenon are too abstract to show using transparency and PowerPoint presentation.
slide6
PROJECT OBJECTIVE
  • The primary objective of this project is to develop 3D visualization and simulation of structures using finite element analysis to enhance student understanding.
  • In the 3D computer animation, the stresses, strains and deformations of a structure are clearly shown.
  • Different stress levels are shown in different colour, and the deformations can be physically seen in the animations.
  • The 3D computer animation can be uploaded to the web for adoption in other engineering courses.
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SCOPE OF THE PRESENTATION

  • INTRODUCTION
  • FINITE ELEMENT ANALYSIS FOR RESEARCH
  • FINITE ELEMENT ANALYSIS FOR TEACHING
  • CONCLUSIONS
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Finite element model:

  • Element Type (S4R5)
  • Mesh size (10 x 10 mm)
  • Boundary Conditions (Fixed-ended)
  • Loading Method (Displacement Control)
  • Material Properties (True Curve)
slide11

SCOPE OF THE PRESENTATION

  • INTRODUCTION
  • FINITE ELEMENT ANALYSIS FOR RESEARCH
  • FINITE ELEMENT ANALYSIS FOR TEACHING
  • CONCLUSIONS
slide13

P

24mm

100mm

8mm

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Material properties

σ

E

ε

  • Steel member
  • Linear elastic material
  • Young’s modulus, E = 205GPa
  • Poisson’s ratio, υ = 0.3
  • Saint-Venant’s Principle
slide17

Hole diameter=20mm

P

60mm

P

12mm

168mm

slide20

Hole diameter=20mm

60mm

P N/mm2

12mm

168mm

slide25

SCOPE OF THE PRESENTATION

  • INTRODUCTION
  • FINITE ELEMENT ANALYSIS FOR RESEARCH
  • FINITE ELEMENT ANALYSIS FOR TEACHING
  • CONCLUSIONS
slide26

The stresses, strains and deformations of an object can be shown using the 3D visualization and simulation method. These parameters are important to illustrate the structural behaviour in engineering concepts.

Conclusions

  • The 3D visualization and simulation is a useful tool for teaching.
  • Different stress levels can be shown in different colour. The deformations can be physically seen in the animations.
  • The money obtained from CELT is very useful for teaching in UST.
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Acknowledgments

The work described in this paper is supported by the grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project Account: HKUST-1-U). I would like to express my gratitude to Ms. Charlotte Chow, Mr. Tak S. Ha, Mr. Nick Noakesof the Center for Enhanced Learning and Teaching at HKUST for their support and assistance of this project.