RIA: A Knowledge-Based Approach to Adaptive Finite Element Analysis
RIA:基于知识的自适应有限元分析方法
基本信息
- 批准号:9211156
- 负责人:
- 金额:$ 10万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1992
- 资助国家:美国
- 起止时间:1992-08-15 至 1995-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This research initiation project (RIA) seeks to develop an efficient, reliable, and user- independent finite element analysis methodology to aid design analysis automation for various engineering applications and to provide an advanced analysis environment. The specific objectives of this research are as follows: To develop an efficient, knowledge- based and fully automatic finite element mesh generator based on new concepts of wave propagation and subsstructuring. To integrate the proposed knowledge-based mesh generator with simple and efficient a posteriori error analysis and adaptive procedures. To evaluate the performance characteristics of the integrated finite element analysis system in terms of its efficiency and accuracy. The automatic and knowledge-based finite element mesh generator will first use the new concept of substructuring to locate the critical regions in the domanin and to assign priority and mesh size to them. This involves the decomposition of the original structure into substructures for which an initial and approximate analysis can be performed by using analytical solutions and heuristics. It then will use the new concept of wave propagation to generate graded nodes and to form well-shaped elements, using a new and more efficient algorithm. There are several potential payoffs: reduced design cost and cycle time, the ability to rapidly consider a wider range of design alternatives, improved product quality and increased engineering productivity. Successful completion of this work will contribute to the vitality and competiveness of U.S. industry in the international marketplace.
该研究启动项目 (RIA) 旨在开发一种高效、可靠且独立于用户的有限元分析方法,以帮助各种工程应用的设计分析自动化并提供先进的分析环境。 本研究的具体目标如下:基于波传播和子结构的新概念,开发一种高效、基于知识的全自动有限元网格生成器。 将所提出的基于知识的网格生成器与简单有效的后验误差分析和自适应程序相结合。 评估集成有限元分析系统的效率和准确性的性能特征。 基于知识的自动有限元网格生成器将首先使用子结构的新概念来定位域中的关键区域,并为其分配优先级和网格大小。 这涉及将原始结构分解为子结构,可以使用解析解和启发法对其进行初始和近似分析。 然后,它将使用波传播的新概念来生成分级节点并使用新的更高效的算法来形成形状良好的元素。 有几个潜在的回报:降低设计成本和周期时间,能够快速考虑更广泛的设计方案,提高产品质量并提高工程生产率。 这项工作的成功完成将有助于增强美国工业在国际市场上的活力和竞争力。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Kamyar Haghighi其他文献
Effect of viscoelastic relaxation on moisture transport in foods. Part I: Solution of general transport equation
- DOI:
10.1007/s00285-003-0249-z - 发表时间:
2004-01-02 - 期刊:
- 影响因子:2.300
- 作者:
Pawan P. Singh;Dirk E. Maier;John H. Cushman;Kamyar Haghighi;Carlos Corvalan - 通讯作者:
Carlos Corvalan
A linear formulation model for pipe network components
- DOI:
10.1016/s0168-1699(05)80012-2 - 发表时间:
1992-12-01 - 期刊:
- 影响因子:
- 作者:
Kamyar Haghighi;Rabi Mohtar;Vincent F. Bralts;Larry J. Segerlind - 通讯作者:
Larry J. Segerlind
Kamyar Haghighi的其他文献
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{{ truncateString('Kamyar Haghighi', 18)}}的其他基金
Reforming Engineering Education: Multidisciplinary Engineering
改革工程教育:多学科工程
- 批准号:
0431906 - 财政年份:2004
- 资助金额:
$ 10万 - 项目类别:
Continuing Grant
NUE: New Learning and Discovery Experiences in Nanoscale Engineering Undergraduate Education
NUE:纳米工程本科教育的新学习和发现经验
- 批准号:
0304579 - 财政年份:2003
- 资助金额:
$ 10万 - 项目类别:
Standard Grant
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