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Presentation

Automotive Fluid−Structure Interaction (FSI): Concepts, Solutions and Applications

From 2012 Automotive Simulation World Congress: Today’s engineering challenges require CAE tools that can solve complex and coupled ultiphysics problems in an efficient manner. In FSI, the complex, coupled response of fluid flow and structural deformation are solved. Advances in coupled solution technology and hardware technology allow multiphysics problems to be solved as an integral part of the engineering design process, instead of simplifying or ignoring the coupled effects. This session presents the technical background and approaches to solve different classes of FSI problems (one-way, two-way, rigid body). These FSI approaches are illustrated through several automotive examples, focusing on powertrain applications.

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Presentation

White Body ED Verification by CAE with Acura TL Trialed

From 2012 Automotive Simulation World Congress: Electrodeposition coating methods provide corrosion protection to metal surfaces. Until recently, there was no simple way to predict the thickness of paint deposited on white body surfaces. With electrodepostion simulation, you can virtually predict the coating thickness of internal structures without processing white bodies through electrodepostion coating tanks or by conducting physical thickness measurements. This presentation discusses a study to confirm the accuracy of this technology; the simulation results were compared against paint thickness measurements.

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Presentation

Oil Sloshing Simulation for No-Leak Tank Design

From 2012 Automotive Simulation World Congress: In fork-lifting truck operations, hydraulic oil may leak from the air breather when simultaneously performing hard braking and quick lowering actions on the truck. To avoid leakage, NACCO routinely uses ANSYS CFD in its hydraulic tank design process. CFD simulations are run for different design concepts to evaluate and compare concepts. The results provide guidelines and direction for design changes to achieve the goal of zero leakage. This presentation discusses tank sloshing simulations.

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Presentation

Li-Ion Electrochemical Model

From 2012 Automotive Simulation World Congress: The li-ion electrochemical model concurrently addresses interface reaction kinetics, species diffusion, thermal effect and geometrical factors by using commercial CFD tools. This session demonstrates extensive attributes, such as species concentration, overpotential and temperature along with their spatial and temporal distributions across large-format li-ion batteries. Detailed descriptions of electrochemical-physical processes improve understanding of the limiting characteristics related to battery performance and cell life estimation.

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Presentation

Design of a Zero-Voltage-Switching Large Air Gap Wireless Charger for Plug-in HEVs

From 2012 Automotive Simulation World Congress: Most wireless chargers today are based on the resonance between two coils with a high air gap. The critical issue is designing the coils with appropriate self-inductance and mutual inductance. Advanced Power Electronics Lab (APEL) designed a 1 kW wireless charging system with an air gap of 15 cm to 50 cm. The team used ANSYS Maxwell to extract the coil parameters. A soft-switching technique increases system efficiency; an extra LC network compensates for the reactive power in the system caused by low mutual inductance, which gives the system low current stress.

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Presentation

Simulation of Fatigue in Composite Components Using ANSYS nCode DesignLife

From 2012 Automotive Simulation World Congress: Composite materials have many advantages for different classes of automotive components; however, they present challenges in that parts manufactured from composite materials are generally inhomogeneous and anisotropic. This presentation describes how ANSYS nCode DesignLife can model the durability of such composite components, particularly those made from short-fiber reinforced-injection molded thermoplastics.

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Presentation

Seal Evaluation Using ANSYS Workbench

From 2012 Automotive Simulation World Congress: Robust sealing of the electric motor case is important to avoid corrosion and function failures. This study investigated an actuator case made from fiber-filled polyphenylene sulfide (PPS) or polybutylene terephthalate, bolted to an aluminum foundation housing. To evaluate the actuator case-to-foundation housing seal, CAE analyses were conducted using ANSYS Workbench. The analyses included evaluation of the rubber seal between the electric park brake and foundation brake housing subject to different temperatures in the installed condition.

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Presentation

High-Performance Computing for Mechanical Simulations Using ANSYS

From 2012 Automotive Simulation World Congress: FEA simulations continue to increase in complexity. For faster turnaround times, especially for complex simulations involving models with complicated physics and highly refined meshes, engineers must consider high-performance computing (HPC). HPC involves understanding both leading-edge hardware solutions and how FEA software can leverage such hardware. For mechanical simulations, ANSYS technologies allow users to take full advantage of multiple-core processors, graphics cards (GPUs), solid-state hard drives (SSDs), clusters, etc., all in an effort to minimize time to solution.

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Presentation

Explore and Improve Your Design - Faster Than Ever Before with ANSYS 14.5

Evaluating multiple product design ideas across a range of conditions and design parameters can be rather challenging in terms of time, costs and usability. You will learn how ANSYS 14.5 helps exploring your designs more effective in less time. In particular, we will discuss how the new release supports the process of design exploration via a persistent parametric user environment, improved job management, and a new parametric licensing solution.

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Presentation

Turbocharger Design and Analysis Solutions

From 2012 Automotive Simulation World Congress: With recent growing interest in turbocharger design and analysis, ANSYS has developed a suite of application-specific, high-fidelity, productivity-enhancing tools. These provide geometric definition, enable complete physics simulation (including thermal, structural and fluid dynamics), and offer full-spectrum 1-D/2-D/3-D steady and unsteady analysis and optimization. This presentation discusses the full range of tools available, their relative utility and advantages, and recent developments. Examples include the broad range of physics and analysis types on realistic turbocharger geometries.

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