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SMART Fracture

With the new Unstructured Mesh Method (UMM) in ANSYS Mechanical, engineers can reduce preprocessing time by employing UMM’s automatically generated all-tetrahedral (tet) mesh for crack fronts, while achieving the same high-fidelity results as a simulation run with the ideal hex mesh configuration. Meshing time has been reduced from up to several days to a few minutes.
Using UMM, ANSYS has also introduced the Separating Morphing and Adaptive Remeshing Technology (SMART) crack growth simulation technology to ANSYS Mechanical to enable automatic remeshing during a simulation. A SMART simulation can be set up with several clicks, eliminating long preprocessing sessions.

Author: ANSYS, Inc. Type: White Paper Date:
Product Name: ANSYS Mechanical
Product Category: Structures


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Finite Element Analysis of Braided Corrugated Hoses with Multiple Layers of Individual Braid Wires Using an ANSYS Implicit Solver - White Paper

This white paper demonstrates the ANSYS® implicit software package is robust for performing finite element analysis of multi-layered braided corrugated hoses. This paper outlines the methodology for creating and analyzing three-dimensional finite element hose models consisting of an inner metallic corrugated tube or flexible bellows which is surrounded by either a single braid layer or multiple braid layers of helically wound, circular, individual metallic wires.

Author: ANSYS, Inc. Type: White Paper Date:
Product Category: Structures


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Thermo-Mechanical Fatigue - White Paper

Thermo-mechanical fatigue (TMF) is an engineering challenge across the aviation, power, transportation and electronics industries. In the transportation industry, components like in-cylinder exhaust manifolds and turbochargers see high temperature and mechanical load variations that can lead to thermo-mechanical fatigue. TMF occurs in electronic components because of the increasing power density of electronic packages, plus their increased usage in harsh environments. ANSYS’ state-of-the-art nonlinear material models help to simulate creep and fatigue of metal alloys with high accuracy, eliminating time-consuming and costly physical testing. Once the material is characterized, ANSYS Mechanical and CFD solutions can study what the component experiences as it goes through the duty cycle.

Author: Type: White Paper Date:
Product Name: ANSYS DesignXplorer, ANSYS CFD
Product Category: Structures
Industry: Automotive, Aerospace and Defense, Industrial Equipment
Sub Industry: Electrical and Electronics, Aircraft, Thermal Turbomachinery


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结合使用ANSYS® Mechanical™ 16.0和Intel®架构加速仿真的三条途径

在工程仿真领域,即便是渐进的性能提升也能改善生产力,并缩短产品研发时间。三倍的性能提升更是会带来整个工作流程的转变,让设计团队能够在更短时间内运行更多、更大型仿真,改善创新、质量、安全、可靠性和可制造性,并加速上市进程。

ANSYS和Intel紧密合作,针对多核Intel® Xeon®处理器E5 v3系列和多核Intel® Xeon Phi™协处理器精心优化ANSYS Mechanical™ 16.0,将设计与工程仿真性能提高3.2倍1,2。尽管完整硬件和软件升级才能实现最高水平的性能提升,但更加温和的升级策略仍可取得幅度小却有力的改善。

本白皮书中描述了三种不同的硬件升级途径。

此外还提供了有关指导与性能基准,帮助决策者根据他们的仿真、预算和业务要求确定出提高性能的最佳方式。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS Mechanical
Product Category: Structures


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Making the Case for Digital Exploration - White Paper

Simulation has been established as a proven, effective means of streamlining the product development process. It allows companies to analyze product behavior earlier to evaluate more design iterations in the concept/design stage to optimize products, components and systems. However, simulation is often still siloed away in the domain of expert analysts, preventing companies from fully capitalizing on its benefits. As the product design and development landscape evolves to meet demands for more customized and complex products faster, simulation throughout the process is critical. 

Author: Digital Engineering Type: White Paper Date:
Product Name: ANSYS AIM
Product Category: Electronics, Multiphysics, Fluids, Structures


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深入的解决方案

跨接管是海底石油生产系统中能够将两个结构连接在一起的管道组件,例如:用于将卫星井连接到歧管、平台或其它设备。由于两个连接点需要在允许限度内(受热膨胀、水流等因素的影响)自由活动,因此设计这些极其重要的组件将会非常困难。跨接管设计人员需要评估运动、膨胀和旋转的所有可能组合,以确定哪种组合对跨接管所产生的应力最大,从而设计出能够承受这一应力的跨接管。

Technip 最近设计了四种跨接管,均可用于将管道终端(PLET)——即管道的两端连接点——连接到生产井的歧管或其它PLET。Technip 是能源行业项目管理、工程与施工领域的全球领导者。该公司设施遍布48 个国家,经营着一支专业化的管道安装与海底施工船队。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS DesignXplorer
Product Category: Structures
Sub Industry: Marine


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用于大型结构仿真的智能策略

衡量工程仿真软件发展的方法之一是通过仿真规模的角度。今天的工程师通常运行有着数百万个自由度的结构仿真,且最大型的商业结构仿真已经超过上亿个自由度。这些仿真如果放在十年前足以让人瞠目结舌。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS Mechanical, ANSYS Structural
Product Category: Structures


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在常规工程流程中集成非线性分析可实现更高的精确度

如果说有一个主旨贯穿于整个工程仿真软件的历史,那就是对更高精确度的追求。确实如此。仿真越接近现实情况,它对设计工程师的价值就越大。

提高仿真精确度的责任主要在仿真软件的厂商和运行仿真的计算机硬件的厂商。但有一种始终存在却往往被忽视的仿真误差来源可完全受用户控制:它涉及在进行有限元分析(FEA)时忽略了解释非线性响应。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS LS-DYNA
Product Category: Structures


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关于疲劳的实际探讨

根据1982年Battelle开展的独立研究,在所有结构失效中,有80-90%是由于疲劳机制导致的,估计每年在美国造成的损失约15亿美元。此外,Battelle认为通过运用现在的疲劳技术,可以将这种损失减少29%。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS Fatigue
Product Category: Structures


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ANSYS 为备战提供有力支持: 可预测模型确保直升机顺利飞行

美国20 年来一直要求军队以更少的资源完成更多的任务。尽管资源有所削减,但在遥远地方仍需要武装力量去执行新任务。而经常是,用于执行这些任务的装备往往远超过其设计的使用寿命。尽管日益老化,由于未获得替代机型,航空器仍需继续服役。

Author: ANSYS Type: White Paper Date:
Product Name: ANSYS Mechanical
Product Category: Structures
Industry: Aerospace and Defense
Sub Industry: Aircraft


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