本文推导了在任意载荷激励下直角三角形板单元局部动力效应修正公式。
In this paper, the local dynamic effect modification formulation of rightangled triangle plate element under arbitrary excitation is presented.
ROAM算法就是通过采用分解和合并方法实时地调整三角形网格，能交互式地实现观察依赖、局部可调整的地形网格化处理，生成多分辨率的地形模型。
ROAM method adopts split and merge operations to adjust triangle meshes, can interactively perform view-dependent, locally-adaptive terrain meshing and can construct multiresolution terrain model.
采用局部剖分的方法来保证边界的完整性，不需要添加新的节点到原始表面三角形中。
To ensure the existence of boundary sides and faces, local tetrahedralization method is adopted, needing add no node into the origin surface triangulations.
利用计算几何的相关算法，把矢量数据的节点和边界线作为TIN网三角形的端点和边，对TIN网的局部进行三角化。
Utilizing related algorithms of computational geometry to triangulate TIN partly to make node and line as vertex and side of triangles.
在局部三角化中考虑了三角形内角和顶点距离，采用规格化最小顶点距离法实现局部三角化，避免了狭长三角形出现。
A new re-triangulation method based on normalized minimum-vertex-distance was presented to avoid long and thin triangles, and it considered the vertex distance and the interior Angle of triangle.
该算法通过对原始网格进行一系列自适应的局部修改操作，改进网格中三角形的质量和顶点位置分布。
It improves triangle quality and vertex position distribution by performing a series of adaptive local modification operations on the mesh.
该算法通过对原始网格进行一系列自适应的局部修改操作，改进网格中三角形的质量和顶点位置分布。
It improves triangle quality and vertex position distribution by performing a series of adaptive local modification operations on the mesh.
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