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Wind Load on Structures - Modelling & Simulation Best Practices
Posted Wed January 04, 2017 @09:52PM
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Announcements ERCOFTAC will host Wind Load on Structures: Modelling & Simulation Best Practices and Technology Trends on April 4-5, 2017 at the Danish Inst. of Technology, Copenhagen, Denmark.

Turbulent wind loads are prevalent across a myriad of engineering structures, whether as micro-climate – terrain interaction,inducing locally strong gusts on village houses, or a Wind Turbine farm, to hurricane weather systems, dangerously buffeting cranes perched on high rise buildings, under construction, across the Miami skyline.

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In all of the aforementioned, we are dealing with varying turbulent wind loads. These loads can sometime lead to catastrophic failures. Hence, implementing advanced and efficient safety features, in the design, analysis and construction of these structures, whilst say meeting the architectural request, or the efficiencies anticipated in a Wind Farm, is a critical engineering process.

However, in yesteryears, and on structures like a bridge, engineers would apply a general safety factor of 1.5-2. This was reasonable and costly, but also sometimes haphazard, as we did not have today’s computational tools to support agile approaches in design and analysis, and their implications on safety and cost. In today’s world, modelling and simulation of turbulent flows, has achieved significant milestones, where the trend is in the application of hierarchical models, to meet desired engineering outcomes, with the basic steady RANS, to URANS, on to LES, DLES and finally DNS. These models are delivering strong results leading to an environment where their best practice is a major driver in reducing cost, enhancing the safety design space and, in case of high rise buildings, an improved living experience.

Thus, the aim of the seminar is to capture the latest modelling and simulation trends, in support of the latest approaches in experimental techniques, as part of an overall best practice scenario, where models and experiments go hand in hand, in meeting safety and cost, in addition to project specific requirements. These requirements can be for a high rise building: 1) architectural elegance, 2) environmentally friendly, and 3) enhanced living experience. For a Wind Farm could imply: 1) minimise bearing loads, 2) system downtime, and 3) meeting performance efficiencies and operational excellence.


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