Digital Volume Correlation (DVC) is a novel technique for full 3D strain and deformation measurements. The technique imports volume images of the component in reference and deformed states and is able to calculate the full 3D displacement and strain map. Images are typically acquired from X-ray Computed Tomography (X-ray CT) systems, but can equally be obtained by Magnetic Resonance Imaging (MRI) or Optical Coherence Tomography (OCT) systems for biological subjects, or via optical techniques for transparent media. DVC is a powerful nonintrusive technique for the identification of sub-surface material deformation and is capable of identifying defects, discontinuities or other material characteristics.
Digital Volume Correlation requires a random pattern within the bulk of the specimen. That random pattern is seen as changes in local contrast. In the case of X-ray CT scans the pattern will be produced by changes in material density such as air voids in concrete, or particles of different material type within the main body matrix, such as tin particles distributed in an aluminum powder The volume image is sub divided into interrogation sub-volumes within which the displacement of the pattern is computed.
LaVision GmbH其它无损设备StrainMaster DVC的工作原理介绍
其它无损设备StrainMaster DVC的使用方法?
LaVision GmbHStrainMaster DVC多少钱一台?
其它无损设备StrainMaster DVC可以检测什么?
其它无损设备StrainMaster DVC使用的注意事项?
LaVision GmbHStrainMaster DVC的说明书有吗?
LaVision GmbH其它无损设备StrainMaster DVC的操作规程有吗?
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一种测量泡沫状材料刚度的实用方法
采用LaVision的体视全场形变应变测量分析软件平台DaVis-DVC,对泡沫材料的X光CT数据进行数字全场相关分析,获得了体视3D3C形变应变数据,并进而用于这类泡沫材料的刚度测量分析。
建材/家具
2019/12/02
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北京欧兰科技发展有限公司
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2002-06-14
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