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    Systems and Methods for Modeling Surface Properties of a Mechanical Component
    1.
    发明申请
    Systems and Methods for Modeling Surface Properties of a Mechanical Component 审中-公开
    用于建模机械部件表面性能的系统和方法

    公开(公告)号：US20090254286A1

    公开(公告)日：2009-10-08

    申请号：US12084607

    申请日：2005-12-02

    申请人： Sonia Tulyani ,  Alexander Staroselsky ,  Igor I. Fedchenia ,  Hongmei Wen ,  Clark V. Cooper ,  Susanne M. Opalka

    发明人： Sonia Tulyani ,  Alexander Staroselsky ,  Igor I. Fedchenia ,  Hongmei Wen ,  Clark V. Cooper ,  Susanne M. Opalka

    IPC分类号： G06F19/00 ,  G06G7/48

    CPC分类号： G06F17/5009 ,  G01N2203/0073 ,  G01N2203/0214 ,  G06F2217/80

    摘要： There is a method for modeling the surface fatigue life of a mechanical component. The method has the following steps: a) modeling the surface fatigue life of the mechanical component on an atomistic scale to form an atomistic model, b) modeling the surface fatigue life of the mechanical component on a mesoscale to form a mesoscale model, c) modeling the surface fatigue life of the mechanical component on a macroscale to form a macroscale model, and d) testing the surface fatigue life of the mechanical component. Feedback from the macroscale model is employed at least once to validate the atomistic model. Feedback from the macroscale model is employed at least once to validate the mesoscale model. Feedback from the testing is employed at least once to validate the macroscale model. There is also an interactive, multiscale model for prediction surface fatigue life or degradation rate for a mechanical component.

    摘要翻译： 有一种用于建模机械部件的表面疲劳寿命的方法。 该方法具有以下步骤：a）在原子尺度上对机械部件的表面疲劳寿命建模以形成原子模型，b）在中尺度上对机械部件的表面疲劳寿命进行建模以形成中尺度模型，c） 在宏观尺度上对机械部件的表面疲劳寿命建模以形成宏观尺度模型，以及d）测试机械部件的表面疲劳寿命。 至少使用宏观模型的反馈来验证原子模型。 至少使用宏观模型的反馈来验证中尺度模型。 至少一次使用测试的反馈来验证宏观尺度模型。 还有一个用于预测表面疲劳寿命或机械部件的降解速率的交互式多尺度模型。

    Inverse thermal acoustic imaging part inspection
    9.
    发明授权
    Inverse thermal acoustic imaging part inspection 有权
    逆热成像部件检测

    公开(公告)号：US07549339B2

    公开(公告)日：2009-06-23

    申请号：US11515610

    申请日：2006-09-05

    申请人： Alexander Staroselsky ,  Thomas J. Martin ,  Carroll V. Sidwell ,  Zhong Ouyang ,  Kevin D. Smith

    发明人： Alexander Staroselsky ,  Thomas J. Martin ,  Carroll V. Sidwell ,  Zhong Ouyang ,  Kevin D. Smith

    IPC分类号： G01N29/04 ,  G01N25/72

    CPC分类号： G01N25/72

    摘要： A method of identifying a flaw in a part is provided that includes vibrating a part to induce heat. The heat originates in any flaws in the part. A thermal image is obtained using, for example, an infrared camera. A mathematical representation of the thermophysics, such as the heat conduction or thermal energy equations using the boundary element method or finite element method is used to identify a source and an intensity of the heat identified with the thermal image. Using the source and intensity of the heat, flaw characteristics for the part can be determined. The method is employed using an inspection system that includes a vibration device for vibrating the part. An imaging device, such as an infrared camera, measures temperature on the surface of the part. An assumption is made or additional measurements are taken to obtain values for surface flux or surface heat transfer coefficients. A processor communicates with the imaging device for receiving the surface temperature. The processor includes computer memory having part characteristics and mathematical equations. The processor uses the measured surface temperature, assumed or measured heat flux or heat transfer coefficients, part characteristics and mathematical equations to determine the flaw characteristics in the part.

    摘要翻译： 提供了识别部件中的缺陷的方法，其包括振动部件以引起热量。 热量起源于部件的任何缺陷。 使用例如红外线照相机获得热图像。 使用热物理学的数学表示法，例如使用边界元法的热传导或热能方程或有限元方法来识别用热图像识别的热源和强度。 使用热量的来源和强度，可以确定零件的缺陷特性。 该方法采用包括用于使部件振动的振动装置的检查系统。 诸如红外照相机的成像装置测量部件表面上的温度。 进行假设或进行额外的测量以获得表面通量或表面传热系数的值。 处理器与成像装置通信以接收表面温度。 处理器包括具有部件特性和数学方程式的计算机存储器。 处理器使用测量的表面温度，假设或测量的热通量或传热系数，部件特性和数学方程来确定部件中的缺陷特性。