| 1. | Modulus of midship section
舯剖面模数 |
| 2. | Amidships engined ship
舯机舱船 |
| 3. | Therefore , the work in this part must be treated seriously and particularly
舯部结构设计还是船体其他结构设计的原则依据，必须严肃地对待。 |
| 4. | However , the detail design is " ignored " by most of researchers . in fact , a great deal of energy are used in the repeating modifications
但事实上，在对舯部结构进行设计时，大量的精力是被耗费在反复的修改之中。 |
| 5. | Midship section design is a vital step among ship ' s design . this section endures most bending load , and materializes the structure of the whole ship
船舯所受弯矩最大，是全船结构主要矛盾之所在，组成了船体结构的全局性构想，因而是船舶设计的重中之重。 |
| 6. | That means data and graph are divided completely . author noticed that these days , many researches about the design of midship section are focused on the scantling of the component in the preliminary design phase
本人注意到现今国内外对船舯结构设计的研究多集中在初步设计上，即定出舯剖面的框架；而在局部设计中却鲜有作为。 |
| 7. | In the full of research , the thesis constructed the dynamic equations of the simplified model , then programmed and computed the feedback gains using lqr method . moreover , the thesis plotted pictures of displacement , velocity , acceleration , bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable
在研究工作中，首先对船舶的简化模型建立了动力学方程，然后采用线性二次型最优控制方法，编写程序并计算出船体垂向振动固有频率和最优反馈矩阵，得到控制前后船艏以及船舯部的位移、速度、加速度、弯矩和剪力历程图。 |
| 8. | During the process of the midship section design , drawing and calculating are carried through crossly ; moreover , with the development of this step , design of detailed structures would be deepened continuously . so drawing and calculating of the midship structure must be modificated again and again , until the perfect consistence between the data and graph is realized
在进行舯部结构设计时，绘图工作与计算工作一般是交叉进行的；而且，随着结构设计阶段的发展，局部性结构设计不断深化，舯部结构的计算和图纸的绘制均不免要反复加以修改，直到彼此能相互准确呼应。 |
| 9. | From the study results it is showed that turret hole position near the forward of the midship has less effect to the ship girder strength and it is more reasonable using probabilty statistics method to estimate the extreme value of wave bending moment , by which the first approximate value of hull midship section modulus can be determined
研究结果表明：转塔开孔位置在舯前附近对船体总强度影响不大；波浪弯矩极值用概率统计方法估算更为合理；船体结构剖面模数的第一近似值可用波浪弯矩设计极值等来确定。 |
| 10. | These four ship ' s class societies all use two holds length finite element modal near the central section . they mesh the finite element modal mainly according to the distance of longitudinal frames , we call this fine mesh finite element modal . the elements in the modal are mainly shells and beams
这四家船级社相同之处是都采用了船舯附近的两舱段长的有限元计算模型，有限元模型单元的划分主要依据纵骨间距和肋距，即所谓的细网格模型，结构单元以板壳单元和梁元居多。 |
