風壓試驗 的英文怎麼說
中文拼音 [fēngyāshìyàn]
風壓試驗
英文
air-pressure test-
This text studied the mutually interference influences to the aerodynamic force of irregular shape base on analysis using wind force and wind pressure data of super high buildings model obtained by wind tunnel tests, and provided reference to designer and expurgator on building code
本文以超高層建築剛性模型的高頻天平測力風洞試驗數據和表面測壓風洞試驗數據為依據,研究了復雜外形建築的風力和高層建築相互干擾對風力影響,供設計者及規范修訂時參考。The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable
重復試驗的數據分析表明,空氣阻力系數數據的最大偏差小於0 . 88 ,絕大部分測壓試驗數據的偏差均在1以內,這說明客車模型風洞試驗數據的精度較高。Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately
在理論分析方面,建立合理的有限元模型,利用剛性模型風洞試驗獲得的各種不同情況下屋面各節點的平均風壓系數和脈動風壓時程,在頻域內和時域內進行了大跨網架屋蓋結構的風振響應分析。An experimental investigation for the wind pressure distribution on a large span awning
大跨雨棚風洞測壓試驗研究Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings
本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究,包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算,對低層房屋的風荷載特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據,對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem
本文依據風洞試驗數據模擬了靜風壓的空間分佈,依據脈動風譜模擬了網架結構的風荷載時程,並對有限元模型進行了有限元瞬態動力學時程分析。Then figure out the wind load in term of the load criterion and the wind tunnel test results separately. by comparing with the two results, we can draw a conclusion that the values which generated by the load criterion are bigger than these ones generated by the other. in order to calculate and design in the worst situation, the paper select the bigger basic wind stress and then turn the area - load into liner - load to receive the displacement of the nodes and the internal force of the cells generated by the static wind load
由此,得出用於作業棚結構設計的數據,進而按建築荷載規范和風洞試驗數據分別計算出風荷載標準值以及基本風壓,通過對兩種靜力風荷載計算的結果進行比較,可以看出,按規范計算風荷載的結果在結構的整體計算中偏於保守。按照最不利情況計算的設計準則,本論文選用較大的基本風壓值按受力面積分配的方法把面荷載轉化為線荷載代入midas運算程序中,求得該結構在該靜力風荷載作用下的節點最值位移。In respect of method to analyze wind load characteristics, focusing the complex factors that influence the wind load distributions of large span roof and with the wind tunnel test of the shenzhen convention and exhibition center. a new fuzzy neural network model ( fnnm ) is applied to forecast the wind load distribution of large span roof
在風荷載分佈特性的分析方法方面,針對影響大跨屋蓋結構風荷載分佈特徵的諸多復雜因素,並結合深圳會議展覽中心風洞試驗項目的研究,應用模糊神經網路方法,成功地預測了大跨屋蓋結構的風壓分佈特性。Based on wind tunnel tests, wind pressure distributions on cylindrical shells with different aspect ratios were measured simultaneously in wind tunnel with rigid models under different terrain types and attack angles
摘要基於剛性模型的風洞試驗,在不同風攻角及場地條件下,對考慮不同長跨比的柱面殼體表面風壓分佈進行了同步測量。In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range
本文以fluent軟體為平臺,建立金奧大廈及其周邊建築的計算幾何模型,近壁區採用非平衡壁面函數法處理,運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬,獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力,並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較,發現兩者之間的差異在可接受的范圍之內。Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium
在風洞試驗方面,通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究,獲得了結構在各種情況下的屋面風壓分佈規律,並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。Designed a program which can use the mean pressure coefficient of jin ’ ao mansion to calculate mean wind load of the whole buildings and local floor. the integral result can apply into the practical design of construction, also can compare with the results of wind tunnel balance test to validate the veracity of this test
通過自編的程序對金奧大廈表面時均風壓系數進行積分計算獲得其整體和局部樓層的平均風荷載,積分計算的結果一方面可以方便地運用於實際的建築結構設計中,另一方面可以與風洞天平測力結果進行比較驗證動態測壓試驗的正確性。Test method to model wind pressure for architectural glass under the uniform static loads
建築玻璃均布靜載模擬風壓試驗方法Basic environmental testing procedures for electric and electronic products wind pressure
電工電子產品基本環境試驗規程環境風壓試驗方法The dynamic pressure measure technology on the building ’ s surface can get rather exact wind load distribution of buildings, can use in the design of buildings structure and glass cladding
其中的建築物表面動態測壓試驗技術能夠得到較為準確的建築物表面風壓分佈,可以用於建築結構及玻璃幕墻設計。Based on the results of the wind tunnel test, the response of the structure and the wind pressure distribution of different position are gotten. the evaluation of the safety and the comfortable extent under the wind vibration are achieved
根據風洞試驗結果得到結構不同部位的風壓分佈以及結構在風載下的響應,確定對結構安全度的評估,實現風振下結構舒適度的驗算。Usually long span roofs can be categorized as closed and open type regarding whether their inner surface suffers from wind directly or not. according to these different types, different ways of wind runnel test are given to obtain the wind pressures on long span roofs. and the characteristic of wind pressure distribution on each type of long span roofs is discussed with regard to the roof shapes
首先,對于大跨度屋蓋結構的表面風壓,本文提供了一套具體的分析思路,分四周封閉體型和整體敞開體型對大跨度屋蓋結構進行風洞試驗方法和風壓分佈規律的分析,並討論了大跨度屋蓋結構的干擾效應和抑風措施。The mode number and the frequencies range, which were considered during calculating the wind - induced responses of large cantilevered roof by using the method of frequency domain, were analysed and discussed, according to the results of wind tunnel tests of bahamas and guinea stadium grandstand cantilevered roofs, and the rules that rms displacement and rms internal force responses under strong wind force changing with participant modes number and frequencies range were obtained, and which could be explained from the point of wind pressure power spectrum densities of the measured points on surface of the roof
摘要根據援巴哈馬體育場和援幾內亞體育場主看臺懸挑屋蓋風洞試驗數據結果,分析和探討了採用頻域分析法計算大跨度懸挑屋蓋風振響應時應考慮的結構模態數和頻率范圍,得到強風作用下懸挑屋蓋結構均方根位移與內力響應隨參與計算的模態數和頻率范圍的變化規律,並從屋蓋表面測點風壓譜密度的角度解釋了這種變化規律。Pedestrian level wind concerns are also addressed, in this paper, the wind pressure distribution on the surface of yingli building in chongqing is introduced. a wind tunnel test of yingli building rigid model is investigated in beijing university environment wind tunnel laboratory
並以興建於重慶市的重慶英利大廈為對象,在北京大學環境學院環境風洞實驗室進行風洞試驗,系統地研究了該建築外表面平均風壓分佈和脈動風壓分佈特性,給出了可用於設計的風荷載值,以確保大樓的安全性與穩定性。分享友人