hull method 中文意思是什麼

hull method 解釋
船身
  • hull : n 赫爾〈姓氏〉。n 赫爾〈英國港市〉。n 1 (果實等的)外殼;豆莢。2 漿果的花萼。3 薄膜,膜片;被覆...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The method can be applied when the size of hull grillage beam and exciting frequencies cannot be easily changed

    該法適用於船體板架尺寸、激勵頻率不易改變的調頻情況。
  2. Authors suggest a practical method based on dynamic analysis of finite element for modifying natural frequencies of hull grillage beam, and its software is completed

    摘要提出一種基於有限元結構動力分析的船體板架固有頻率實用修改方法,並進行了軟體設計。
  3. At present, more and more large tonnage ships are built with the development of ship industry, the force between hull and shipway increased, the damage of ship structure was also reported. but the existed method is not efficiently for calculating the distribution of force acted on forward during stern floating which is the moment of truth during ship launching, so it is important to calculate ship launching precisely and take measure to preclude such accident

    目前隨著船舶工業的發展,建造船舶噸位越來越大,船體所受滑道反力隨之增大,在實際生產過程中已有船體局部結構不同程度損壞的報道,而現有的下水計算方法在下水的最危險時刻艉浮時滑道反力的分佈情況方面的計算顯得不夠準確,如何準確進行計算並採取相應的措施來防止這類問題發生顯得十分重要。
  4. Human is very sensitive to the information of silhouettes. image based visual hull method is an efficient way to construct 3d models from a set of images by computing shape - from - silhouettes

    作為基於圖像建模的一種重要方法,可見外殼生成方法( image - basedvisualhull )就是利用圖像側影輪廓線來重建三維模型。
  5. ( 3 ) computation method of geometric properties of closed surface applied to performance calculation of ship hull surface based on nurbs is presented

    ( 3 )建立了基於nurbs的船體在任意浮態下的三維幾何特性計算新方法。
  6. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後,關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應力。
  7. Test method of hull tightness for sea - going steel ships

    鋼質海船船體密性試驗方法
  8. Method of assessing the hull resistance in still water for high speed craft

    滑行艇靜水阻力估算方法
  9. Test method of hull tightness for fiberglass reinforced plastic fishing vessel

    玻璃鋼漁船船體密性試驗方法
  10. 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

    研究結果表明:轉塔開孔位置在舯前附近對船體總強度影響不大;波浪彎矩極值用概率統計方法估算更為合理;船體結構剖面模數的第一近似值可用波浪彎矩設計極值等來確定。
  11. Therefore, this paper try to change the traditional ideas, not only evaluate the ship operation safety under the safety situation, but also take aim at the damaged ship hull, assess the risk under the lapse and critical situation. it takes the preventive method to predict and initiatively control the risks that may induce to the averages

    鑒于上述,本文試圖改變傳統的研究思路,不僅在安全域內評估船體營運安全,更重要的是瞄準受損船體,在失效域及臨界狀態分析評估船舶營運安全,並將風險分析、人為因素與安全聯系起來,對可能導致海損事故的風險採取先行預報一主動控制的事先預防式處理方法。
  12. The major work is as follows : 1 ) based on dry hull modal analysis of flexure - torsion coupling vibration of unsymmetrical ship structures about longitudinal centerline, a transfer matrix method to calculate the dynamic characteristics is adopted after the parameters of structures are specified. taken both shear effect and warping deformations into account, the point and field transfer matrices are derived, and the influence on dynamic characteristics is computed according to different damaged positions and areas

    其主要內容如下: 1 )通過薄壁梁理論求得結構參數后,採用遷移矩陣法,在考慮剪切效應、轉動慣量和翹曲影響下,推導出求解破損船體結構的動態特性公式系統的場遷移矩陣和點遷移矩陣,並著重分析了船體不同破損程度和翹曲變形對船體振動的動態特性的影響。
  13. Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program

    目前,螺旋槳誘導的船體表面脈動壓力的理論預報方法,大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算方法為基礎的,本文採用該方法編制了計算程序,可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。
  14. Without doubt, the method of mathematical hull - design is a very useful and important tool in ship line design and manufacture

    毫無疑問,船型的數學化給船舶設計、建造施工和理論研究工作帶來了重大的改變。
  15. The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland

    本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題,建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序,並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。
  16. Using 2 - d strip method and the high - speed slender body theory, the heaving motion responses in regular wave of ship with combined appendage are computed. the results are compared with the results of naked ship hull, and the anti - pitching effect of combined appendage is validated. a method of optimizing the seakeeping is provided from the aspect of the ship hull

    因此本文針對船舶耐波性能的優化,提出了一種減縱搖組合附體,將半潛艏和艏鰭安裝在常規單體船上,初步闡述了半潛艏和艏鰭的水動力作用機理,並按照二維切片法和高速細長體理論計算了加裝組合附體后,船舶在規則波中的垂向穩態運動響應,與裸船體的結果進行了比較,驗證組合附體的減搖效果,從船體本身出發提供了?種優化船舶耐波性的方法; 3
  17. This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity

    本文沿用caldwell等人直接計算船體極限強度的思想,考慮雙層底和頂邊水艙對船體極限強度的貢獻,首先將船體梁整體破壞時剖面應力分佈確定為:在中垂狀態下,甲板及甲板附近的舷側均屈曲,雙層底區域則均屈服,其他部分保持彈性狀態;在中拱狀態下,雙層底及之間的底舷側均屈曲,甲板及頂邊水艙區域均屈服,其他部分則保持彈性狀態。
  18. In modern day society, in the field of ship - design, the mathematical hull - design is a new method, which has a lot of profit

    在當代船舶設計的研究工作中,數學船型的設計方法是一種相對較新的方法。
  19. Polynomial, transcendental function, new quadratic curve, b - spline and nurbs have been used in expression of hull molded line, trapezoidal method, simpson method have been used in static calculation

    在船體型線的表達方面有多項式、超越函數、新二次曲線、 b樣條函數、非均勻有理b樣條函數等。
  20. For this purpose, a simple method was proposed to simulate the progressive collapse behavior of a ship ' s hull girder subjected to longitudinal bending. in this method the cross section of hull girder is divided into small elements composed of a stififener and attached plating

    傳統上,船體總縱強度是通過比較許用應力和在名義垂向波浪彎矩作用下甲板或船底上距中和軸最遠點的彈性應力來進行評估的。
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