... 张拉膜结构力密度法：索网结构中拉力与索长度的比值定义为力密度（Force Density）。力密度法（Force Density Method）是由Linkwitz 及Schek提出来的，原先只是用于索网结构的找形，将膜离散为等代索网，后来，该方法被用于膜结构的找形。
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压力石油密度计法 Pressure hydrometer method
This paper systematically reviewed dynamic relaxation method, force density method and nonlinear finite element method.
本文系统的回顾和研究了动力松弛法、力密度法和非线性有限元法。
参考来源 - 索膜结构的构造理论和柔性天线的结构分析In this method, the element-joint topological matrix including T-element is established and the equilibrium equations of both T-element joint and standard joint are unified. The overall form-finding formulas of force-density method are then deduced.
本文建立了包含“T单元”的单元-节点拓扑关系矩阵，统一包含“T单元”的节点与标准索网节点的平衡方程，导出完整的力密度法找形分析的计算公式。
参考来源 - 张拉膜结构的工程研究·2,447,543篇论文数据，部分数据来源于NoteExpress
力密度法是张拉膜结构找形分析中最常用的方法之一。
Force density method is frequently used for form finding of tensioned membrane structure.
力密度法是张拉膜结构找形分析中最常用的方法之一 。
Study on full process experiment of full scale tensioned membrane structure;
该文详细介绍了采用线性化法和多项式逼近法求解非线性波浪力谱密度的过程。
The calculation of the spectral density of non-linear wave forces is presented in detail, based on linearized approach and polynomial-approximated approach, respectively.
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