The longitudinal strength of a ship's hull is the most fundamental strength for ship structures.
船体梁的总纵强度是反映船舶结构安全可靠的最基本的强度指标。
Therefore, it is very significant to analyze noise and vibration problem of ship structures in the ship design stage.
因此，在船舶设计阶段就进行船舶结构的振动噪声分析是非常有意义的。
Strength of ship plates plays a significant role for the ultimate strength analysis of ship structures.
船体平板强度在船舶结构极限强度分析中起到十分重要的作用。
Calculation results show that nonlinear factors are important for fatigue strength analysis of ship structures.
计算结果表明，非线性波浪载荷对船体结构疲劳损伤分析具有重要影响。
Studying of fatigue crack growth under different spectrum loadings is very important for the reliable life prediction of ship structures.
研究裂纹在谱载荷作用下的扩展规律对可靠预报平台等结构物的疲劳寿命具有十分重要的意义。
The concept and calculation about the degree of fixity of elastic fixed ends in structures is an unsolved problem in mechanics of ship structures.
关于结构弹性固定端固定程度的概念和计算是船舶结构力学中一个悬而未决的难题。
Optimal design of ship structures is a complicated nonlinear mixed-discrete problem and a difficult challenge in searching for its global optimal values.
船体结构之最佳化设计是一个复杂非线性的混和离散问题，并且要搜寻到全域的最佳值并不容易。
A ship's hull is a box girder structure composed of stiffened panels and therefore, strength of stiffened panels plays a significant role for the ultimate strength analysis of ship structures.
船体是一个由加筋板格组成的箱形结构，加筋板格的强度计算对于船体结构的极限强度分析极为重要。
This paper proposes a membrane stiffener-reinforced element, which has the features of high precision and simple formulation, etc. It is practical for the finite element analysis of ship structures.
提出了一种带加强筋的膜单元，具有精度高、列式简单等特点，为船舶结构的有限元分析提供一个实用的单元。
This paper proposes a membrane stiffener-reinforced element, which has the features of high precision and simple formulation, etc. It is practical for the finite element analysis of ship structures.
提出了一种带加强筋的膜单元，具有精度高、列式简单等特点，为船舶结构的有限元分析提供一个实用的单元。
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