航天薄壁结构强度与优化设计研究进展

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户:muzhe8835
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  近十年,在深空经济和军事需求的牵引下,美国、欧盟和我国均高度关注大型运载火箭研制。作为火箭的主要承力结构,复杂板壳大型化后带来了诸多结构分析与优化设计的新挑战,所以,其强度与轻量化设计技术不仅备受各航天大国关注,更引起了板壳力学分析与优化研究领域的关注。
其他文献
  计算机辅助工程(CAE)软件是求解大规模复杂工程问题的强有力工具,其应用的深度和广度与日剧增,已成为当今新产品研发必不可少的环节。对于工程应用而言,用户不仅需要强大的
  Following a series of recent innovations,isogeometric analysis for trimmed thin shell surfaces is currently developing into an accurate,efficient and mature
  Delamination is a common failure mode in composite laminates,however,it was observed that delamination may migrate between plies in three dimensional(3D)com
  Spatially curved beam structures have been widely used in engineering designs,which are important in the micro-mechanic systems(MEMS),aerospace and automoti
  The unsymmetric FEM is a very promising technique to produce high-performance finite elements with good numerical accuracies and high tolerances to severe m
  The analysis of geometrically nonlinear responses of structures is important for determining their load carrying capability,especially in the case of buckli
  The finite element analysis for large deformation problems has long been a difficulty in computational mechanics due to the non-linearity and numerical comp
  The concept of isogeometric analysis(IGA)was put forward in the seminal paper published.It successfully integrates Computer Aided Design(CAD)tools with nume
  点阵材料由于具有高比刚度、比强度,及在多功能应用领域的巨大潜力,被广泛用于构造轻质夹芯板结构,以实现航空航天结构的散热、减振降噪、主动控制等功能。
  In the present paper,structural topology optimization of thermo-elastic problems is investigated.To avoid the limitations of the implicit geometric features