offshore structure 中文意思是什麼

offshore structure 解釋
海上建築物
  • offshore : adj. (風等)(從海岸)向海面吹的;離岸的;海面上的。 an offshore bar 濱外沙洲。adv. 向海面;離岸;近海岸。
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。
  2. Submerged dyke is a common offshore structure, which is widely used for band protecting and silt promoting engineer and etc. however, few research studies are done upon such a problem home and abroad and even the accomplished results are not satisfying, which cannot be used for real projects, and in most cases, they will have to depend on the results of experiment

    然而,目前國內外對潛堤的研究很少,研究的成果也很不成熟,難以應用到實際工程設計中,在很多時候,還需要藉助於物理模型試驗,因此,本文結合勝利油田保灘促淤新技術研究項目,對潛堤波浪力以及透射特性進行了深入系統的研究,力求揭示其內在規律,期望能獲得有實際應用意義的研究成果。
  3. Taking natural frequency and mode as damage principle, damage detection is studied as optimal problem based on genetic algorithm, and damage indices, symmetry and precision in the damage detection is discussed. numerical simulation of the damage detection of offshore platforms using genetic algorithm proves the feasibility of genetic algorithm in damage detection of large structure ; program all the process of genetic algorithm in damage detection into damage detection system

    以實測的固有頻率和振型為診斷依據,將損傷診斷問題歸結為優化問題,採用遺傳演算法加以研究,以10單元固端梁的損傷診斷為基礎,討論了診斷中出現的損傷指標,損傷對稱性和變量精度等問題;將遺傳演算法的損傷診斷應用於海洋平臺,驗證了遺傳演算法用於大型結構損傷診斷的可能性;並用matlab將遺傳演算法應用於損傷診斷的全過程編製成損傷診斷系統。
  4. This paper discusses the conception of non - destructive inspection reliability of offshore structures and indicates that it is not sufficient to evaluate the inspection reliability of offshore structure by the conventional evaluation index ( probability of detection ( pod ) only )

    摘要對海洋結構無損檢測可靠性概念進行了探討,指出了常規評價指標僅以探測概率評價海洋結構檢測可靠性的不足,並對常規評價指標進行了修正。
  5. The problem of non - classically damp, after the structure ' s damp and linear water ' s damp are added up, are solved by way of complex mode transformation, and the dynamic responses of a offshore platform are studied under the circumstances of thinking about the mutual effect or not

    復模態變換解決結構阻尼與線性化后的水阻尼迭加后不具有經典阻尼的特點而產生的計算問題,針對某典型鋼質海洋平臺在考慮和不考慮波浪力與平臺結構相互作用的兩種情況下,進行了動力響應數值分析和研究。
  6. Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms

    針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。
  7. Abstract : the offshore breakwater of dayaowan 1st - phase project adopted “ comb ” structure, which successfully solved the technical problems of both wave absorption and permeation

    文摘:大連大窯灣一期工程的島堤採用梳式結構,成功地解決了既要防浪、又要透流的技術難題。
  8. Environmental judgement and system strength analysis of offshore structure

    近海結構的環境衡準與系統抗力分析
  9. Typical depositional structures of tempestite, such as radically arrangement of plate - like micrite gravel, hummocky lamination, load structure, grading bedding and ripple bedding are presented in the succession, indicating its accumulation in an offshore environment

    該風暴沉積的底面侵蝕構造清楚,板片狀泥晶灰巖礫石呈菊花狀排列,發育丘狀交錯層理、負載構造、遞變層理和小波紋層理等沉積構造,為典型的淺海風暴巖。
  10. The three business models are proposed and showing the structure of offshore outsourcing in china

    並對這三種商業模式從定義、適用對象、合理性、案例多方面進行了論述。
  11. On calculation formula of wave impact pressure acting on offshore open structure

    離岸透空式結構波浪上托力沖擊壓強計算公式的比較
  12. Because the complex mode analysis takes mutual effect between the structure and water into account, the better precise and reasonable responses of the offshore platform under random loads can be achieved

    當採用考慮結構與流體相互作用的復模態分析方法,將使海洋平臺結構在隨機荷載作用下的響應分析更為精確和合理。
  13. The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002

    冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中,本文主要研究軸心受壓冷彎方管的承載力性能,內容主要包括以下一些: ( 1 )對冷彎方管的彈性臨界應力進行有限元分析,並與經典理論結果進行對比,以驗證有限元程序的適應性; ( 2 )闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法; ( 3 )採用彈塑性模型,考慮幾何非線性及材料非線性,對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究; ( 4 )考慮冷彎效應對屈服應力的影響,對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究; ( 5 )考慮冷彎效應、幾何初始變形,對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究,並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
  14. Experimental modal analysis based on ambient vibration is mainly to deal with the engineering problems from with we can hardly achieve the input signals, such as the operational modes of a flight vehicle during the flight or the dynamic behavior of a large - scale structure like an offshore platform, a bridge as well as a skyscraper on which we can ’ t exert a heavy kick

    基於環境振動的實驗模態分析主要針對一些激勵不可測的工程問題,如研究飛行器在飛行中的運行模態,或諸如海洋平臺、橋梁、摩天大樓之類難以施加激勵的大型結構的動態特性。本文重點研究了隨機子空間方法在環境振動模態分析領域的應用。
  15. Therefore, on the basis of multiwave seismic tests, an offshore 3d four - component ( 4 - c ) seismic exploration and an offshore 2d four component ( 4 - c ) seismic acquisition were performed above the structure

    為此,在多波地震試驗的基礎上,在該構造上實施了海上三維四分量地震勘探及二維四分量地震採集。
  16. According to the diversity of structure reliability index and functional requirement of offshore jacket platform, the models of structural fuzzy optimum design of offshore jacket platforms is established. therefore, it is necessary to design the jacket platform with reliability optimum mode

    本文考慮結構的可靠性並從模糊可靠性的觀點對結構加以分析,在準確的可靠性約束情況下,建立了導管架海洋平臺結構可靠性模糊優化設計模型。
  17. Members noted that, since elasticity of employment was smaller for offshore trade than for domestic exports or re - exports, this change in the structure of exports had implications for employment in hong kong

    委員會成員獲悉,由於離岸貿易的勞工彈性較本地出口或轉口小,因此這項出口結構的轉變對香港的勞工市場構成影響。
  18. Optimization of ky65 - 21 novel offshore oil gas production wellhead equipment structure

    新型海洋採油氣井口裝置結構優化
  19. The purpose of this thesis is to investigate the control effect of a semi - active vibration absorber developed for an offshore platform and a vibration control system is also designed. the vibration of the structure is suppressed by installing the new and innovative variable stiffness tuned mass damper ( vstmd ) on the top deck of the platform

    計算表明,本控制裝置對由隨機波浪載荷引起的平臺振動有一定的控制效果,對平臺甲板加速度響應的控制效果最高可達29 ,其平均效果也在21以上,甲板的位移響應也能得到一定的抑制。
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