Eye Candy

9 February 2011 Perth Branch Evening Meeting

Chairman Lanre Odina, Senior Consultant, S2V Consulting Pty Ltd

Presentations

Water, waves and structures – Advanced numerical modelling

Dr Stephen Richardson, Business Manager – Oceania Region, HR Wallingford

The use of advanced numerical models has become an increasingly popular approach for analysing engineering aspects associated with maritime / industrial water developments over the last decade; but what is possible and what does the future hold? Dr Richardson provided his views on how Computational Fluid Dynamics (CFD) modelling is supporting water related developments today and discuss techniques which may increase in popularity in the future.

The Smoothed Particle Hydrodynamics Method

Ashkan Rafiee, School of Mechanical Engineering, UWA

There is an increasing interest in the development of robust and efficient numerical methods for analysis of engineering problems involving the interaction of fluids and structures accounting for large motions of the fluid free surface. Examples of this kind are common in ship hydrodynamics, offshore structures, spill-ways in dams, and sloshing in liquid containers. Besides the conventional Eulerian techniques such as Finite Difference method or Finite Element method, Lagrangian techniques are an alternative class of numerical techniques which has attracted much attention partly due to the ease of implementation and also partly because of the independence of the method from the grid information. The Smoothed Particle Hydrodynamics (SPH) method is a meshless technique which uses a purely Lagrangian approach and has been successfully employed in a wide range of applications. This presentation gave a brief introduction to the SPH method and demonstrated the capability of this method in accurately simulating challenging fluid dynamics problems.

When reality matters

Janos L Herbaly, Creative Director, Global Visioneering Pty Ltd

Over the last decade we have seen the expansion from 2 dimensional drafting into the world of readily available 3 dimensional modelling. With technological advances in computer hardware and software, 3D modelling is now becoming a common engineering tool. This presentation demonstrated how 3D modelling is ideal for developing complex equipment and components required subsea such as trees, manifolds, ROV’s, tooling, etc. The models can be animated to create a sequence of actions which can demonstrate and verify the mechanical operations, help to monitor anomalies and defects, predict failures and assist with emergency responses. Design flaws can be detected well ahead of production/manufacturing and save a large amount of money and valuable time.