CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
unknown
中国科学院力学研究所流固耦合系统力学重点实验室;
Authors
杨国伟
黄国君
黄程德
Publication date
1 January 2014
Publisher
Abstract
大展弦比机翼即使在正常的飞行状态下也会产生大变形,需要考虑几何非线性对静平衡位置与稳定性的影响。采用平板气动模型和非线性有限元,对大展弦比机翼进行非线性气动弹性分析。对于静变形问题通过多次迭代求解,划分多个气动平板,并让气动平板跟随结构变形,从而更新气动网格,反复迭代计算气动力和非线性结构变形直到收敛,这一过程通常在10步迭代内完成。计算结果表明在变形达到半展长20%前,线性结果与非线性结果差别小于5%。但结构大变形对动力学特性影响较大,故必须要考虑几何非线性对颤振的影响。给定来流速度求得平衡位置,再对结构动力学方程进行线化处理,利用线性理论中p-k法计算颤振边界,通常这样预测的颤振速度与原先..
Similar works
Full text
Open in the Core reader
Download PDF
Available Versions
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 12/02/2018
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 12/02/2018