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Brief description of embodiments of a model by finite elements of a singular body shape and structure complex

机译:通过奇异体形状和结构复杂的有限元对模型的实施例进行简要说明

摘要

Method of implementation of a model by finite elements of a singular body of complex shape, the outer surface is known by a cloud of points (1) in a coordinate system, characterized in that it consists of: - a) using a generic model by finite elements and can be parameterized, produced from simple geometric volumes and representative of the family to which belongs to the body of the singular, - b) to adapt this model as a function of parameters describing the particular body to be modeled, - c) to adjust in this coordinate system this generic model by finite elements (2) is defined and made to correspond to the nodes (2a) of the surface of this model parameterized to points of the outer surface (1) of the body by the projection of these nodes on this surface along a direction normal to the surface of the generic model, - d) the use of the nodes (2a) of the surface (7) as the control points of a method of spatial interpolation to personalize the finite elements inside the generic model (2).
机译:通过复杂形状的奇异物体的有限元实现模型的方法,其外表面由坐标系中的点云(1)已知,其特征在于:-a)使用通用模型,方法是:有限元,可以进行参数化,由简单的几何体产生,并代表属于单数物体的族,-b)将该模型作为描述要建模的特定物体的参数的函数进行调整,-c)为了在该坐标系中进行调整,定义了由有限元(2)定义的通用模型,并使其对应于该模型表面的节点(2a),并通过投影将其参数化为主体外表面(1)的点。这些表面上的这些节点沿着垂直于通用模型表面的方向,-d)使用表面(7)的节点(2a)作为空间插值方法的控制点,以个性化内部的有限元通用模型(2)。

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