【正文快照】： 棋盘格式(Checkerboard Patterns)是连续体结构拓扑优化中较为常见的一种不稳定现象。所谓棋盘格式,是指优化过程中材质密度周期性高、低分布的一种现象。
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Some problems are analyzed which affect the result of topology designs: (1) checkerboard pattern problem (2) mesh-dependency problem.
2.分析了影响拓扑设计结果的一些问题:棋盘格式问题,网格依赖性问题。
参考来源 - 连续体结构拓扑优化设计·2,447,543篇论文数据，部分数据来源于NoteExpress
胶州湾为一断陷盆地，棋盘格式构造起着主要控制作用。
Jiaozhou Bay is a fault basin and the chess board structure has played the main control role in its formation.
从偏微分方程反问题的角度解释了结构拓扑优化中棋盘格式、网格依赖性等数值不稳定现象的本质。
Form the point view of inverse PDE, the essence of numerical instabilities in the topology optimization is given, including checkerboard pattern and mesh-dependence.
介绍了连续体结构拓扑优化中的棋盘格式现象及其产生的原因，并对目前解决这一问题的各种方法做了分析比较。
Checkerboard in topology optimization of the continuum and the reason for the formation are introduced. Several methods to avoid this pattern are discussed.
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