... collector of sandwich structure 三明治结构集流体 foam core sandwich structure 泡沫夹层结构 Sandwich Structure Preforms 夹层结构预制件 ...
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泡沫夹层结构力学性能的非线性有限元分析 关键词：非线性本构关系；泡沫夹层结构；广义强度准则；MSC．Marc二次开发 [gap=1259]Key words：nonlinear constitute；foam cored sandwich；generalized failure criteria；MSC．Marc secondary
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泡沫夹层结构复合材料 foam core sandwich composite
在传统泡沫夹层结构复合材料成型工艺基础上，探索了一种新型的夹层结构成型工艺。
Based on conventional manufacture methods a new manufacturing process of foam core sandwich structure composites is studied.
通过对比试验数据以及有限元的计算结果，得到用该方法可较为准确地预测泡沫夹层结构梁的挠度。
Comparing experimental data and the results of finite element method, it is showed that the deflection of foam core sandwich beam by these methods could be accurately predicted.
回顾了泡沫夹层结构常用的无损检测方法：空气耦合超声方法、脉冲回波超声方法以及激光错位散斑干涉方法。
The popular non destructive test methods for the foam-cored sandwich structure are reviewed; including air coupled ultrasonic method, pulse-echo ultrasonic method and shearogragh method.
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