thin-airfoil theory

A 4-Node, 24 Degree of freedom thin flat shell element based on the membrane-plate similarity theory

一个基于膜板比拟理论的四节点二十四自由度的平板壳单元

In this dissertation, the theory and application of seismic analysis for large-scale aqueduct is studied in details and the mostly includes several studies below. 1. The seismic response analysis model of thin wall space aqueduct with fluid-structure coupling is established.

本论文对大型渡槽结构抗震分析理论与应用进行了较详细的研究，主要完成了以下工作：1.建立了考虑槽身和槽内水体流固耦合的渡槽薄壁结构梁段有限元动力分析模型。

Theory and technique of broadening source and expanding sink through thin sowing in Wheat

小麦稀植化开源拓库理论与技术的研究

Taking the effects of geometrical nonlinearity into account, a general theory of composite thin walled bar is established under the combinational deformation of tension, compression and torsion.

考虑几何非线性的影响，建立了在拉、压、弯、扭组合变形下复合材料薄壁杆件理论。

Even if the optimists' theory is true, it still seems a thin argument against reform.

就算乐观主义者的理论是对的，还是不足以阻止改革的进行。