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ELEMENT BREAKDOWN METHOD, ELEMENT BREAKDOWN CALCULATION DEVICE, AND DAMAGE DEVELOPMENT ANALYSIS DEVICE

机译：元素分解方法，元素分解计算设备和损伤发展分析设备

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摘要

PPROBLEM TO BE SOLVED: To increase the speed and accuracy of an analysis of development of damage such as crack or separation by a new element breakdown method. PSOLUTION: A point (Fig. 4(a)) on a boundary line is divided as a nodal point by a Deloney triangle division method (Fig. 4(b)), and circles without crossing one another are arranged in a target region 20 by a Monte Carlo method, a Lawson exploration method and a predetermined function (Fig. 4(c)). Six circles having the smallest distances to one circle are identified by the Monte Carlo method, the central coordinates of the one circle are tentatively moved, and when the degree of dispersion of the distances to the one circle is lowered, the central coordinates after the movement is employed (Fig. 4(d)). The center of the circle and the point on the boundary line are divided as nodal points by a Deloney triangle division method (Fig. 4(e)). The coordinates of a nodal point extracted by the Monte Carlo method are tentatively moved, and when the total of non-regular triangle levels DTR of all the triangles using the extracted nodal point as apexes is lowered, the nodal coordinates after the movement are employed and divided by the Deloney triangle division method (Fig. 4(f)). PCOPYRIGHT: (C)2008,JPO&INPIT

机译：

要解决的问题：通过一种新的元素击穿方法，提高对诸如裂纹或分离之类的损伤发展进行分析的速度和准确性。

解决方案：边界线上的一个点（图4（a））通过Deloney三角划分法（图4（b））被划分为节点，并且将彼此不相交的圆排列在一个目标区域20通过蒙特卡洛方法，劳森探索方法和预定函数（图4（c））。通过蒙特卡罗方法确定与一个圆的距离最小的六个圆，暂时移动一个圆的中心坐标，并且当降低到一个圆的距离的分散度时，移动后的中心坐标使用（图4（d））。通过Deloney三角分割法将圆心和边界线上的点划分为节点（图4（e））。尝试移动通过蒙特卡洛方法提取的节点的坐标，并且当降低所有使用提取的节点作为顶点的三角形的非规则三角形总水平DTR时，采用移动后的节点坐标并用Deloney三角分割法进行分割（图4（f））。

版权：（C）2008，日本特许厅＆INPIT 展开▼

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公开/公告号JP2007333521A

专利类型
公开/公告日2007-12-27

原文格式PDF
申请/专利权人 FUJI HEAVY IND LTD;
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申请/专利号JP20060164811
发明设计人 OKABE TOMONAGA;SEKINE HIDEKI;OGISU TOSHIMITSU;
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申请日2006-06-14
分类号G01N17;G06F17/50;G01N3;
国家 JP
入库时间 2022-08-21 20:21:02

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