《变分学导论》(Calculus of Variation)98学年度 应用数学系 林琦焜老师 [WMV] 《TARCH7.5天正建筑设计与工程应用案例精粹》随书光盘[光盘镜像]
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calculus of variation method [数] 变分法演算
functional calculus of variation 泛函变分法
Based on the principle of minimum stream power, a model of functional extreme of stable channel shape is established, and it is derived that the shape of stable channel is a circular curve by use of calculus of variation.
本文从最小能耗原理出发,建立了一个稳定渠道断面形状的泛函极值模型,利用变分法求得该模型所得到的稳定渠道断面形状为圆弧形。
参考来源 - 基于极值假说的冲积河流动床阻力与河相关系研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The differential equation for the vibration of the riser system is derived by means of functional calculus of variation.
采用泛函变分法导出了隔水管的振动微分方程。
Calculation of resonant frequencies of sloshing in a container have been achieved by FEM with calculus of variation, which is able to solve sloshing in variety complex containers.
提出了用变分有限元方法计算容器内液体晃动谐振频率的方法和步骤，这种方法可适用于各种形状复杂的容器内液体晃动问题。
The calculating formulas of top and bottom pool-surface deformation in TIG full-penetration weld pool is developed based on principles of fluid mechanics and variation calculus.
根据流体力学理论和变分法原理，推导出了熔透情况下TIG焊接熔池上表面和下表面变形的方程。
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