縱強度計算 的英文怎麼說
中文拼音 [zōngqiángdùjìsuàn]
縱強度計算
英文
longitudinal strength calculation- 縱 : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable
為了研究運木船舶在破艙狀態下的浮性、穩性和強度,本文在抗沉性理論的基礎上,運用船舶基本原理,採用了迭代和累計的思想,將船舶的進水過程劃分為很多次進水的積累,詳細計算了運木船在破艙進水的過程中,考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響,以及艙室內的進水量和木材對破口處進水速度的影響,船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度,給出了計算實例,並進行了在採取用泵抽水前後浮態參數的對比,得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒,或者在當開口小於某數值時,採取適當的措施后,可以使船舶避免沉沒。In order to resolve the strength problem of 74500dwt bulk carrier on launching way, two aspects of problem are investigated in this report : 1 ) the analysis and calculation of the force act on the hull and the launching way when ship launching ; 2 ) the strength analysis and calculation of bottom structure in forward area during ship launching
為了解決74500噸散貨船下水時船體結構的強度問題,本文主要對兩方面的內容進行了研究: 1 )船舶縱向下水時的受力分析和滑道反力計算: 2 )艉浮時艏部區域底部結構強度分析計算。The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc
計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈,可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強,這有利於提高真空電弧的穩定性。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。With this understanding, this paper chooses the longitudinal strength of hull girder as the disabled mode, by the calculation of fpso, predicts the ultimate strength and effective lifetime of the hull. expected results of examples are obtained, which provide the analysis data for the further risk assessment
在此前提下,本文選擇了船體梁縱向強度失效模式,通過fpso實船計算,分析消化了理想單元法程序軟體,預報了船舶極限強度和安全有效壽命期,並用一階二次矩方法對完整受損船體的結構安全性進行了可靠性的評估,取得了預想的結果,為進一步實施綜合安全評估提供了分析數據。According to the principle of the interaction between the beam and the cwr ( continuously welded rails ) that the longitudinal forces of cwr on railway bridges are passed on to the piers by the span structures of the bridge, the intensity of piers is checked up by calculating and the safety reservation is analyzed so that the design of the cwr on railway bridges is optimized and is safer and more economic
摘要根據梁、軌相互作用原理(橋上無縫線路的縱向力通過橋跨結構傳遞到橋梁的墩臺上, )檢算橋墩的強度,進行安全儲備量分析,進而優化新建橋上無縫線路設計,使設計既安全又經濟。Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame
首先,針對轉換層梁模體系及支撐架施工,重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算;討論了轉換層支撐體系的形式及構造,詳細論述了基於極限狀態設計的支撐架計算方法,包括縱橫向水平桿的強度驗算、立桿的整體穩定性、局部穩定性、單肢桿件穩定性等驗算,並提出了多層支撐架的施工荷載計算方法。With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變量,以渠道不沖不淤流速及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外,針對部分地區的取土困難的狀況,本文採用積分法計算渠道工程土方量,從而大大提高了土方量的估算精度,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。For the case of the north china power grid ( as follower omitted " ncpg " ), discusses these focus question as " ncpg fund dispatching ", " ncpg e - bank ", provides conflict settlement to fund budget and center control by new financial method, computer and internet high - tech skill. the thesis suggests do fund control in all directions, link invest - collect flow with financial fund management together, all fund affairs relatively included in " ncpg fund dispatching ". as a goal, thesis hopes to make fund flow, mass flow and information flow as a line, control fund real time, and realize the enterprise resource planning
文章針對電網的特徵和區域電力公司財務管理體制特點,對電網經營企業的投資管理和籌資管理作了較為詳細的回顧和分析,並結合當前資金管理中的「現金調度」 、 「網上銀行」等熱點話題,以華北電力集團公司為例進行了案例分析,對電網經營企業強化現金調度管理,積極穩妥地開展「網上銀行」業務,提出了思路和建議,初步解決了實際工作中電網經營企業資金集中管理的矛盾;同時,還大力倡導以金融手段創新推動和促進企業資金管理創新,提出了運用計算機、網路等高科技手段,開展資金管理的橫向和縱向調度,把投資、籌資等與資金管理相關的業務環節,納入到資金的綜合調度中來,逐步達到資金流、物流、信息流三流合一,實現資金的實時管理,從而使企業內部資源共享,實現企業資源優化。The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no
本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性,利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。In this paper, 3 - d fem for the global ship, by adding loads and inertia adjustment, is used to calculate its longitudinal strength, longitudinal bending distortion and stress distribution, and the efficiency pf the superstructure to stand against longitudinal strength, which present a foundation for the check of ship ' s longitudinal strength
本文採用整船三維有限元分析方法,通過整船加載和慣性平衡處理,計算出設計目標船的總縱彎曲變形和應力分佈,以及上層建築參與船體總縱強度的有效度,為船體總強度校核提供依據。According to the fea model of 110, 000dwt oil tank, the distribution of the stresses of the model in more than ten kinds of load cases is calculated. the structural strength of the ship is assessed. the buckling assessment of the main ship plating such as the deck, bottom, side shell, inner shell, longitudinal and transversal bulkhead is undertaken
針對各種規定的計算載荷工況,對該船船體結構進行了強度校核。並對其主要的船體板如甲板、底板、舷側、內殼和縱橫向艙壁板等板格進行了平板屈曲校核。Until now, the domestic and overseas scholar has studied the factors that have effect on performance of steel fiber reinforced concrete corbel such as shear span to depth, strength of concrete, reinforcement ratio ( including longitudinal reinforcement and stirrup ) and ratio of horizontal to vertical load. for calculating the cracking load, and ultimate load domestic and foreign scholar has brought forward a series of calculative formulas and methods have been put forward that based on statistical analysis, flexural model and truss model
到目前為止,國內外學者已研究了剪跨比、混凝土強度、配筋率(包括縱向鋼筋和箍筋) 、水平荷載與垂直荷載之比等因素對鋼筋鋼纖維混凝土牛腿受力性能的影響,對牛腿的抗裂計算和承載力的計算,國內外學者曾提出了基於數理統計分析、彎壓模型和桁架模型等的一系列計算方法和計算公式。Abstract : in this paper, the ship structure is analyzed by using 3d overall structure finite element method and the longitudinal strength is calculated when the hydro - static bending moment, wave bending moment, horizontal bending moment and torsion moment are considered. we compare the calculating result with the one based on the theory of thin - walled box girders and discuss the future of application of the two methods
文摘:本文對3800箱集裝箱船進行了整船有限元分析,計算了在設計靜水彎矩、波浪彎矩、水平彎矩和扭矩作用下的船體總縱強度,並與基於薄壁梁扭轉理論的總縱強度計算結果進行了比較,對兩種方法的應用前景作出評論。In order to reveal load mechanism and failure mode of thick pile caps, by means of the test of 1 / 4 - scale models of thick pile caps with six piles and post - handling study of 3 - dimensional non - linear finite element adina, this paper points out the shortage, which is that the design of pile caps is carried out by flexural strength in chinese technical code for building pile foundations jgj94 - 94 and american reinforcement concrete building construction code aci318 - 02, promulgates that the failure mode of thick pile caps is punching failure and load transfer mechanism is the strut - and - tie, which is that zones of concrete with primarily unidirectional compressive stresses are modeled by compress struts, while tension ties are used to model longitudinal reinforcement over pile
摘要為揭示厚承臺的傳力機理和破壞形式,通過對4個1 : 5比例的六樁厚承臺的模型試驗研究與三維非線性有限元adina的后處理研究,指出中國建築樁基技術規范jgj94 - 94與美國鋼筋砼房屋建築規范aci318 - 02規范中,承臺以彎曲強度進行配筋計算的設計方法之不足,揭示出厚承臺的破壞模式是沖切破壞,傳力機理是以帶有主要單向壓應力的砼區域作斜壓桿,樁頂區域的縱筋作拉桿的空間桁架。Then comparative study of bending moments and shearing forces is performed with the results calculated by traditional design loads method for the same assumption and the changes of wave loads are discussed in this paper
在一定假定條件下,將切片法計算的波浪彎矩與剪力同靜置法計算結果進行了比較,分析了破損后的載荷變化,為船體總縱剩餘強度研究提供依據。The main structure stress of the car body is particularly analyzed. it is analyzed and calculated under vertical load case, lengthwise stretch load case, lengthwise compression load case, air pressure power load case, operating load case. result shows : the structure distortion harmonize, strength - weakness positions represent local stress focus
通過對垂向載荷工況、縱向拉伸載荷工況、縱向壓縮載荷工況、氣動載荷工況和運用狀態垂向載荷工況的分析計算,結果表明:該車鋼結構變形協調,強度薄弱部位主要表現為局部應力集中。Study on hull girder strength calculation methods of large naval ship
大型艦船總縱強度計算方法研究It summarized and analyzed various kinds of methods for analysis of the strength of tanks. a new calculation model was proposed to form the practical and efficie nt method of tanks strength analysis. a numerical example was given to show the validity of the method proposed
簡單分析和評述了油船結構強度計算的各種方法,從實用和高效的角度出發,提出用一個完整艙段和兩個半艙段的計算模型來分析計算油船結構縱橫強度的有限元直接計算方法,並對一艘實船進行了分析The study indicates we must take into account several possible destructive modes such as buckle and yield et al and consider the non - linear effect of post - buckling and post - collapse of components
研究表明,在計算船體總縱強度時,必須考慮構件的屈曲、屈服等各種可能的破壞模式,要考慮受壓構件屈曲后及崩潰后非線性性能影響。分享友人