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Tensor Stresses Field Reconstruction in Product Volume by the Ultrasonic Computerized Tomography Methods

机译:张量通过超声计算机断层扫描方法强调产品体积中的场重构

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The integral methods of tomographic reconstruction of the tensor stressesfield at the material inhomogeneous deflected mode on the basis of theacoustoelasticity effect have been represented. It have been supposed thatmaterial sounding is being performed by the longitudinal and transverseultrasonic waves in parallel planes, perpendicular to the selectedcoordinates system, and that relative changes of ultrasonic signal spreadtime are linearly connected with the measuring tensor stresses components.The tomographic method of scalar and tensor inhomogeneities division havebeen presented also. This method allows to reconstruct the tensorinhomogeneities on the scalar inhomogeneities background. The proposedmethods foresee their practical realization in the developed ultrasonictomograph for material characterization UST-2000.
机译:张量应力的层析成像重建的整体方法 在材料非均匀偏转模式下的磁场 声弹性效应已得到体现。据认为 纵向和横向进行实测 垂直于所选平面的平行平面中的超声波 坐标系,以及超声波信号传播的相对变化 时间与测量张量应力分量成线性关系。 标量和张量不均匀性的层析成像方法有 也提出了。这种方法可以重建张量 标量不均匀性背景上的不均匀性。建议 种方法在开发的超声波中预见了它们的实际实现 断层扫描仪,用于UST-2000的材料表征。

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