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Aerospace Simulation Engineering: Navigating the Digital Thread Thursday, October 18th, 2018 Lynnwood, WA Overview Aerospace manufacturers and suppliers are facing an increasingly challenging and competitive marketplace as their products are becoming more complex via tighter integration of systems and cyber-physical environments. That being said, there are rising interests to incorporate Digital Threads as communication frameworks for sharing product lifecycle information seamlessly and Digital Twin methodologies for assessing virtually the expected and future operational physics-based capabilities of a product throughout its lifecycle. Utilizing these techniques in conjunction with the...more
Large Eddy Simulation Awareness Workshop Turbulence Modelling beyond RANS Large Eddy Simulation, LES, is fast becoming more readily available in the major commercial CFD codes and from the internet. Computer power is increasing rapidly too, at an affordable cost, making it potentially easier to run simulations using such methods. More CFD users are therefore becoming interested in learning about this method and its applications. While LES is very powerful it also requires some care to be used properly, as it is conceptually very different from RANS, the workhorse of industrial CFD. This seminar started by establishing and comparing the fundamental assumptions supporting RANS and LES and,...more
This presentation was made by A. Murton at the NAFEMS European Conferences, "Simulation Process and Data Management" & "Computational Fluid Dynamics (CFD) - Beyond the Solve" that were held in Munich, Germany on 2-3 December 2015....more
This presentation was made at the European Conference: Simulation Process and Data Management (SDM)....more
BENCHMARK July 2021 Setting the Analysis Agenda In the BENCHMARK July 2021 Issue, you will find out about: Assessing Dominant Environmental Considerations in Manufacturing Planning for Simulation Governance and Management - Ensuring Simulation is an Asset, not a Liability The Evolution of Additive Manufacturing Simulation - From Deformation Predictions to Multiscale and Multiphysics Simulation NAFEMS World Congress 2021 Surrogate Model Based Safety Performance Assessment of Integrated Vehicle Safety Systems - Connecting and Accelerating Simulation Domains Computing Platforms for Engineering Simulation - 2015 vs 2020 Smart Material Database Enrichment Using a Mixed Approach - Combining...more
Abstract Using 0-D global physics models of global temperature dependence on carbon-dioxide emissions and atmospheric lifetime we demonstrate that eliminating carbon-dioxide emissions is insufficient to prevent exceeding the global warming ?tipping point? of 2 degrees Celsius. We examine other means to limit global warming including carbon dioxide sequestration and increasing earth?s albedo. The latter is shown to be potentially much more cost-effective in managing global warming, and its positive effects can be observed immediately....more
NAFEMS Americas and Digital Engineering (DE) teamed up (once again) to present CAASE, the (now Virtual) Conference on Advancing Analysis & Simulation in Engineering, on June 16-18, 2020! CAASE20 brought together the leading visionaries, developers, and practitioners of CAE-related technologies in an open forum, unlike any other, to share experiences, discuss relevant trends, discover common themes, and explore future issues, including: -What is the future for engineering analysis and simulation? -Where will it lead us in the next decade? -How can designers and engineers realize its full potential? What are the business, technological, and human enablers that will take past successful developments...more
NAFEMS Americas and Digital Engineering (DE) teamed up (once again) to present CAASE, the (now Virtual) Conference on Advancing Analysis & Simulation in Engineering, on June 16-18, 2020! CAASE20 brought together the leading visionaries, developers, and practitioners of CAE-related technologies in an open forum, unlike any other, to share experiences, discuss relevant trends, discover common themes, and explore future issues, including: -What is the future for engineering analysis and simulation? -Where will it lead us in the next decade? -How can designers and engineers realize its full potential? What are the business, technological, and human enablers that will take past successful developments...more
Mohr’s circle seems to be a very unpopular topic in structural mechanics courses! Some view it as: arcane, procedural, confusing, no use in practical engineering Why bother with Principal Stresses, Maximum shears etc. – Von Mises is king!! Maybe you don’t want to go back to graphs. In this webinar Tony Abbey talks about why Mohr’s circle is useful today to help understand: What are stress transformations? Why do them? Tony's trying to give Mohr a boost here!...more
In the April 2019 issue of NAFEMS BENCHMARK magazine, two challenge problems are presented. The first one consists of two normal distributions, producing an analytical (theoretical) solution. The second one contains several distributions (normal, uniform and lognormal), and therefore an exact solution is not available. At the NAFEMS World Congress 2019 these problems were discussed and a few solutions were presented. In this presentation these solutions and additional ones are discussed in combination with the theoretical background and the pitfalls of these methods....more
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