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A multiscale projection approach for the coupled global-local structural analysis of photovoltaic modules

机译：用于光伏模块全球局部耦合分析的多尺度投影方法

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摘要

The present contribution deals with the modeling and computational simulation of photovoltaic modules in the context of structural mechanics. Thereby, the focus is on the division of the boundary value problem of linear elastomechanics into two characteristic scales. The multiscale modeling starts at the global scale by means of an eXtended LayerWise Theory for a symmetric three-layered composite structure. A specially developed finite element is used to realise the discretisation. For the local structural analysis, a three dimensional unit cell is introduced which is representative in both plane directions and represents the structure of a photovoltaic module in transverse direction completely. The coupling of these two scales is carried out by the projection of the global deformations on the boundaries of the local structure, while the focus is on the transition from composite structure to three dimensional continuum. Thereby, characteristic coordinates for the location of a solar cell and an exemplary loading scenario are considered.
机译：本贡献涉及结构力学背景下的光伏模块的建模和计算仿真。因此，重点是将线性弹性力学的边值问题划分为两个特征尺度。多尺度建模是通过对称三层复合结构的扩展LayerWise理论在全球范围内开始的。专门开发的有限元用于实现离散化。为了进行局部结构分析，引入了三维晶胞，其在两个平面方向上均具有代表性，并在横向方向上完全代表光伏组件的结构。这两个尺度的耦合是通过将整体变形投影到局部结构的边界上来进行的，而重点是从复合结构到三维连续体的过渡。因此，考虑了用于太阳能电池的位置的特征坐标和示例性负载情况。

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  • 来源
    《Composite Structures》 |2016年第12期|340-358|共19页
  • 作者

    Assmus M.; Naumenko K.; Altenbach H.;

  • 作者单位

    Otto Von Guericke Univ, Fac Mech Engn, Inst Mech, Chair Engn Mech, Univ Pl 2, D-39106 Magdeburg, Germany;

    Otto Von Guericke Univ, Fac Mech Engn, Inst Mech, Chair Engn Mech, Univ Pl 2, D-39106 Magdeburg, Germany;

    Otto Von Guericke Univ, Fac Mech Engn, Inst Mech, Chair Engn Mech, Univ Pl 2, D-39106 Magdeburg, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Photovoltaic module; Multiscale; Finite element analysis; Layerwise theory; Unit cell; Projection;

    机译：光伏组件;多尺度;有限元分析;分层理论;晶胞;投影;

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