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Mechanism parametrization, modeling and FE-meshing

机译:机制参数化,建模和有限元网格划分

摘要

This thesis is written to show the development of an application used for mechanism parametrization, modeling and finite element meshing. Concepts from Knowledge Based Engineering (KBE) are applied and the possibility of using the Sheth Uicker convention (SU) for parameterizing the links and joints of a mechanism is explored.A KBE application has been developed in the Adaptive Modeling Language (AML) implementing design rules and mechanism theory in a parametric model. The application features customization of the shape, dimension and cross section of links regardless of the number of joints connected. Incidence relationships together with joint position, type and direction are given as input and dimensions are calculated based on the connectivity of the mechanical system. The application also automatically meshes the model.From the work done automated modelling and meshing of mechanisms is demonstrated from given input parameters, and is an important step on the way to automate the entire mechanism design process. The application provides concept and ideas and a solid framework for further development that has the potential to drastically reduce routine work in the design process of mechanisms.
机译:撰写本文旨在说明用于机构参数化,建模和有限元网格划分的应用程序的开发。应用了基于知识的工程(KBE)的概念,并探讨了使用Sheth Uicker约定(SU)来对机制的链接和关节进行参数化的可能性。已经开发了一种使用自适应建模语言(AML)实现设计的KBE应用程序参数模型中的规则和机制理论。该应用程序可以自定义链接的形状,尺寸和横截面,而不必考虑连接的接头数量。发生率关系以及关节位置,类型和方向作为输入给出,并且基于机械系统的连通性计算尺寸。该应用程序还可以自动对模型进行网格划分。从完成的工作来看,将根据给定的输入参数对机械进行自动建模和网格划分,这是使整个机械设计过程自动化的重要一步。该应用程序提供了概念和思想以及进一步开发的坚实框架,该框架有可能极大地减少机构设计过程中的日常工作。

著录项

  • 作者

    Skaare Rasmus Korvald;

  • 作者单位
  • 年度 2015
  • 总页数
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类

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