A practical algorithm for boundary surface fitting with the constraints of incomplete point cloud is presented. The base surface is firstly constructed according to its boundary type, and the weakness of each control point is calculated using a new criterion.
针对点云数据可能存在缺失的情况,提出了一种点云缺失条件下模型边界曲面的直接拟合算法。
参考来源 - 反求工程CAD混合建模中若干问题的研究This thesis briefly reviews the definition of transient energy function (TEF) in direct methods and the physical concepts in potential energy boundary surface (PEBS) approach, followed by a viable strategy for hybrid method analysis.
本文首先简要回顾了直接法中暂态能量函数的定义与势能边界面法的物理背景,给出了一套实用的混合法分析策略。
参考来源 - 基于混合算法与最小动能特性的暂态稳定预防控制研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The reversible reaction appeared on grain boundary surface quite markedly.
晶界的这种可逆反应十分明显。
The equations of loading surface and boundary surface are expressed in strain-energy releasing rate.
加载面、边界面方程均以损伤能量释放率表示。
The paper divides regionally the flow under the ice cover and gives flow conditions of the regional boundary surface.
本文对冰覆盖下的河道水流进行了区域划分,给出了区域分界面上的水流条件。
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