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Wind and Tidal Stream Modelling Using ANSYS CFD ...
The analysis of wind farm sites, Wind Resource Assessment, has traditionally been carried out using simplified flow analyses implemented in special purpose software such as WasP. These methods can work very well for simple sites with relatively flat terrain. However, because of the need for greater accuracy and reliability, and the need to consider more challenging sites, e.g. with complex terrain, forestry or strong wake interactions, CFD is being increasingly used for Resource Assessment. WindModeller has been developed by the Technical Services Team in the UK and is a vertical application based around ANSYS CFD to enable the analysis of potential wind farm sites. It has also been modified to enable the modelling of tidal stream farms in a similar fashion, leading to TideModeller. This webinar will describe: - The technical challenges faced by the Wind and Tidal Energy Industries and benefits of CFD simulations. - An overview of the advanced CFD models in WindModeller to meet these challenges, including complex terrain, forestry, wakes and atmospheric stability. - The analysis of CFD results to provide the information required by the wind industry. - The extension of the methodology to tidal stream farms.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 25 2014
Product Name: ANSYS CFD
Product Category: Fluid Dynamics
Industry: Energy

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The Study of Bolt Severance by a Bolt Cutter - Webinar
Severing a bolt is a dynamic and complicated event; the severance mechanism has been difficult to understand because the entire process takes less than one millisecond. Bolt severance includes both penetration of the bolt by the downward-accelerating knife, and fragmentation of the bolt on the wedge-shaped anvil underneath. To better understand the bolt severance mechanism for reliable bolt cutter design, engineers at Pacific Scientific Energetic Materials Company used ANSYS Autodyn explicit dynamics software in Lagrangian mode. In this webinar, you will learn that fast pressure rise and high peak pressure are the most critical parameters for bolt severance. You will also take away an understanding of the five-step mechanism for bolt severance that the engineers extracted from post-simulation analysis.

Author: Ralph Hsiao, Pacific Scientific Energetic Materials Company
Type: Webinar
Date: Nov 21 2014
Product Name: ANSYS Autodyn
Product Category: Structural Mechanics

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Basic Engineering Design of Flares on Oil Platforms Using ...
Flaring burns waste gas that is a byproduct of oil extraction. Knowledge of the volume, shape, and radiation behavior of a flare is essential in designing an oil platform that will not be damaged by the flare and is safe for oil rig workers. The basic design of a flare determines the platform’s tower height, as well as whether additional protection, such as a heat shield, is needed. In this webinar, Petrobras engineers discuss how they used ANSYS Fluent to model pipe burner annular air flares in 3-D.The flame profile, visible flame, soot emissions, incident radiation, and wall temperature were simulated under calm, average, and maximum wind conditions. Join us to learn how increasing wind speed bent the flame and altered its dimensions, thus heating up the platform structure. You will also discover that the incident solar radiation heats the structure faster than the convective wind can cool it. All of this can help you in your future flare engineering design projects.

Author: Paulo Roberto Pagot, Petrobras
Type: Webinar
Date: Nov 21 2014
Product Category: Fluid Dynamics
Industry: Energy

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Analysis of Repairs in Metal-Composite in the Oil Industry ...
In the offshore oil industry, corrosion of metal pipes, ship sidewalls, and semi-submersible platforms is a problem due to contact with salt water. Repairing the defects in these metallic systems through welding usually requires transporting the damaged piece to a shipyard, which is a costly and time consuming process. Engineers at Petrobras decided to explore the possibility of using carbon-fiber-reinforced polymer (CFRP) composites to patch the holes in metal components in situ. Knowing that the anisotropic physical properties of the metal and the composite could pose challenges in achieving a robust, failure-resistant repair, the engineers used ANSYS ACP in static analysis to model the system first. The simulations evaluated the stresses and strains in each layer of the composite and in the composite—metal system as a whole as part of a complete failure analysis. In this seminar, engineers present the results of these simulations, which strongly indicate that metal components can be successfully repaired in situ using composites, with little possibility of failure.

Author: Carlos Eduardo Reuther de Siqueira, Petrobras
Type: Webinar
Date: Nov 21 2014
Product Category: Fluid Dynamics
Industry: Energy

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Applications in Oil and Gas Safety and Reliability at Petrobras ...
Analysis of Repairs in Metal-Composite in the Oil Industry Carlos Eduardo Reuther de Siqueira, Petrobras In the offshore oil industry, corrosion of metal pipes, ship sidewalls, and semi-submersible platforms is a problem due to contact with salt water. Repairing the defects in these metallic systems through welding usually requires transporting the damaged piece to a shipyard, which is a costly and time consuming process. Engineers at Petrobras decided to explore the possibility of using carbon-fiber-reinforced polymer (CFRP) composites to patch the holes in metal components in situ. Knowing that the anisotropic physical properties of the metal and the composite could pose challenges in achieving a robust, failure-resistant repair, the engineers used ANSYS ACP in static analysis to model the system first. The simulations evaluated the stresses and strains in each layer of the composite and in the composite—metal system as a whole as part of a complete failure analysis. In this seminar, engineers present the results of these simulations, which strongly indicate that metal components can be successfully repaired in situ using composites, with little possibility of failure. Basic Engineering Design of Flares on Oil Platforms Using Computational Fluid Dynamics Paulo Roberto Pagot, Petrobras Flaring burns waste gas that is a byproduct of oil extraction. Knowledge of the volume, shape, and radiation behavior of a flare is essential in d

Author: Carlos Eduardo Reuther de Siqueira and Paulo Roberto Pagot, Petrobras
Type: Webinar
Date: Nov 21 2014
Product Category: Fluid Dynamics
Industry: Energy

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Enhancing Pump and Fan Performance and Reliability ...
The current competitive environment puts pressure on pump and fan manufacturers to deliver efficient, durable products at a rapid pace. With a focus on reducing energy costs and emissions from power generation, energy saving equipment and related innovation are highly discussed topics in recent years. Given this impetus to improve machine design, ANSYS provides a full portfolio of simulation software with the required multi-disciplinary simulation capabilities for a wide range of pumps and fans. ANSYS Workbench provides a unique, unified environment for multiphysics simulations including parametric analysis and optimization. This webinar considers current industry trends and challenges, and presents how leading manufacturers are using ANSYS simulation tools to meet these challenges. The advantages of using the full portfolio of ANSYS turbomachinery tools within an integrated environment will be demonstrated on typical geometries.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 19 2014
Product Name: ANSYS TurboGrid
Industry: Industrial Equipment

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Improving Turbocharger Design - Webinar
Increasing the power output of smaller engines, engine downsizing and reducing emissions are the current requirements of the industry. Turbocharged the engine is considered to be the preferred way to achieve this goal. Turbocharger design requirement include stringent specifications for performance, range, life, noise, size and efficiency - thus a multiphysics simulation approach is required. The process is accelerated by performing initial design iterations using 2D tools, to quickly filter designs, and then carrying out full 3D analysis on relatively smaller set of candidates. In this webinar we will discuss how ANSYS tools can be used for fast, comprehensive and high-fidelity turbocharger design. ANSYS provides a full set of 1D, 2D and 3D tools within an integrated framework, ANSYS Workbench. A goal driven optimization using 2D through flow solution will be demonstrated for rapid scanning of candidate designs. A detailed mechanical and CFD simulations will be discussed to verify the structural integrity and the aerodynamic system design of the full assembly, ensuring that all performance requirements are met.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 19 2014
Product Name: ANSYS TurboGrid
Industry: Automotive
Sub-Industry: Car & Light Truck OEMs

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Integrated Design System for Turbomachinery Application ...
Turbomachinery (or, more generally “rotating machinery) plays a key role in many industries. With increasing competitive pressure and end-user requirements that are often driven by global trends, manufacturers are challenged to deliver reliable, high performance and efficient machines within the constraints of time and cost. Requirements for rapid, high-fidelity simulation have never been greater, and the cost of “getting it wrong has never been higher. ANSYS provides a complete virtual simulation portfolio that covers all aspects of turbomachinery design and analysis. Leading turbomachinery companies use ANSYS integrated tools starting from preliminary design right through to final optimized design. This webinar presents industry trends and challenges, and addresses how leading manufacturers use ANSYS simulation tools, within an integrated environment, to address these challenges and deliver superior products.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 19 2014
Product Name: ANSYS TurboGrid
Industry: Industrial Equipment

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Advancement in Turbomachinery Blade Rows - Webinar
Current turbomachinery end-user requirements of higher efficiency, performance and durability often imply higher aerodynamic, thermal and mechanical loadings, as well as less conventional designs. To deal with the increased complexity, higher levels of simulation fidelity are often required. While steady simulation methods remain a workhorse tool, transient methods are now more frequently used. However, there is an associated cost. Transient full wheel analysis can determine the circumferential variation of the flow, and response of the structure, but such an approach can be both expensive and time consuming. Fortunately, single sector models, with the ability to reproduce the full 360-degree fluid and structural behavior, are available, enabling designers to study candidate designs in an efficient manner. This webinar will focus on the latest Transient Blade Row (TBR) and Cyclic Symmetry modeling techniques, including the effect of mistuning, which enable the user to obtain full-annulus results by analyzing only a single sector. This webinar will also present the usage of these new techniques to solve two important phenomena, namely – Flutter and Forced Response.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 19 2014
Product Name: ANSYS TurboGrid
Industry: Industrial Equipment

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Enhancements to Bolt Modeling in ANSYS Mechanical and ...
Threaded bolt connections are a common structural component in many industrial applications and most of these connections are subjected to pre-tensioning conditions. To accurately assess the operating integrity of the components, the effect of the bolts must be included in the simulation. Traditional techniques require significant user effort and computational resources. ANSYS Mechanical and MAPDL 15.0 introduce a capability to account for the effect of threaded bolts without explicitly modeling the threads. This enhancement greatly reduces the required effort to create the model and the computer resources required to solve it.

Author: ANSYS, Inc.
Type: Webinar
Date: Nov 17 2014
Product Name: ANSYS Mechanical
Product Category: Structural Mechanics

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