The standard function mode is that the system's excitation functions are sine wave, square wave and curve of free little damped vibration, the vibration's frequency are about 2Hz. The vibration mode must be in accord with the crane's work status in the vision computer.

調(diào)查表明，集裝箱橋機(jī)駕駛員座椅工作中更多的是小車運行方向的前后振動自拍日韩精品第18页视频在线观看，所以我們的多自由度座椅振動平臺采用X方向的單自由度激勵夜晚操人必看69，即可實現(xiàn)座椅振動的大部分體感功能，同時開發(fā)成本也大大降低日韩欧美一区二区在线观看。

The piezoelectric motor includes a piezoelectric member which generates a first vibration mode and a second vibration mode simultaneously by an applied power and a frictional member of which a portion is insertedly attached into a concave portion indentedly formed on one side of the piezoelectric member, wherein the frictional member is in an elliptic motion by the vibration generated by the piezoelectric member, so that an influence of the attachment of the frictional member to a resonance frequency can be minimized.

該壓電電機(jī)包括：壓電構(gòu)件美女被插高潮到爽，通過施加的功率同時產(chǎn)生第一振動模式和第二振動模式；摩擦構(gòu)件国产日韩AV免费无码一区二区三区，摩擦構(gòu)件的一部分插入地附著到凹入地形成在壓電構(gòu)件的一側(cè)上的凹入部分中国产久久久污污污女高潮免费视频福利社，其中精品日韩视频，摩擦構(gòu)件通過由壓電構(gòu)件產(chǎn)生的振動進(jìn)行橢圓運動，從而能夠使附著摩擦構(gòu)件對諧振頻率的影響最小化av视屏在线观看。

The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.

結(jié)果表明国产亚洲日韩入口AV，葉片的斷裂模式為振動疲勞，葉片榫頭與榫槽配合不當(dāng)是萌生疲勞裂紋的主要原因AAA级黄色视频免费看。

By means of the numerical methods, the root of the resonance frequency equation is solved, and by means of Ansys software and the finite element method, the torsional vibration mode of the thin ring is analyzed, and the academic value and the simulant value of the resonance frequency are compared.

利用數(shù)值方法国产乱伦一级黄片，求出了共振頻率的理論值；并利用Ansys軟件国产第一区视频，對薄圓環(huán)振子進(jìn)行了有限元模擬欧美国产一级黃片，得到了其共振頻率的模擬值。

According to the lateral deflection equation of the wall frame-structure ,an exact flexibility matrix is developed first and, then, the natural period and vibration mode of the wall-frame structure is defermined in this paper. According to actual earthquake action, the structural response is calculated with statical analysis.

本文在框架-剪力墻側(cè)移公式的基礎(chǔ)上建立結(jié)構(gòu)的柔度矩陣sod9999.com，確定結(jié)構(gòu)的自振周期和振型一级片播放，采用靜力方法按實際的地震作用分布計算結(jié)構(gòu)的作用效應(yīng)，然后采用振型分解反應(yīng)譜法對結(jié)構(gòu)進(jìn)行抗震分析黄色网站一级二级Av。

Vibration , reflectional dazzle light , noise , and the shape , color , contrast , and display mode of the displayed characters were main factors influencing the ergonomic availability .

目前國內(nèi)雖有一些零散標(biāo)準(zhǔn)可用于評價人機(jī)顯示/控制界面適配性工效毛片女人十A片十女人，如特定的顯示對比度，字符形狀偷拍区另类综合图片小说，顏色特征色综合久久久金八天国，照明環(huán)境等標(biāo)準(zhǔn)，但在工程使用中色综合久月婷婷网，最有價值的應(yīng)該是駕駛員/顯示/控制作業(yè)系統(tǒng)的工效綜合評定方法和技術(shù)。

77Cm〓 are observed and predicted to be splitting of vibration mode of inter-icosahedral B-B bonds, which are unrelative to the atmospheric conditions.

IR結(jié)果發(fā)現(xiàn)所有樣品在2850.27cm〓和2917.77cm〓處均有吸收峰男女交配视频免费观看，這是由于B〓O中的B〓二十面體位于菱面體單胞內(nèi)亚洲天天影院色香欲综合，對稱性降低，發(fā)生簡并分裂所致成人网站日韩在线视频观看免费。

First, this paper presents three girders model with double cable planes which main girder and side girder is connected by rigid arms, analyzes the dynamic characteristic of Yonghe cable-stayed bridge and obtains its natural vibration modes (i.e., frequency, damping values and the mode shapes ) by ANLSIS structural analysis program and uses these parameters as dynamic dactylogram of the intact case of cable-stayed bridge. Using the passage of random as the ambient vibration ,the dynamic properties of Yonghe Bridge is measured and the modal parameter of its 15 years after is identified and used as dynamic dactylogram of the damaged case. By the finite element analysis and locale vibration test, damaged and undamaged modal parameter is analyzed and curvature mode shape, which is sensitive to damage state, is introduced as possible candidate for identifying and locating damage in the cable-stayed bridge. Selecting the branch of part measured point from modal parameter, this paper deduces the damaged index which can detect the possible damaged location of the cable-stayed bridge deck and identifies the damaged region and degree for Yonghe Bridge. For the purpose of structural condition monitoring in in-situ , from another viewpoint, this paper introduces the method called the best optimization vector to detect damaged location and degree. The accuracy and reliability of the method presented in this paper are demonstrated by static analysis and test and the healthy state of Yonghe Bridge can be evaluated.

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Through the retrofit for multi-frequency regulation, shaft seal ing water system,rotator material and shaft cover orientation mode of 150 NW-78×2 low pressureheater drain pump,pump corrosion at low-load operation,bad packing seal,bearing vibration,bearing burned have been solved.

通過對150 NW 78×2型低壓加熱器疏水泵進(jìn)行變頻調(diào)節(jié)改造，對軸端密封水系統(tǒng)4444在线视频看片、轉(zhuǎn)子部件材質(zhì)和軸套鎖母定位形式進(jìn)行了改進(jìn)99久久国产精品免费热37，消除了給水溶氧超標(biāo)、軸承振動超標(biāo)和軸承燒毀等缺陷www.pylng.com，提高了泵組健康運行水平欧洲一级A片。

Finally, analyse the calculated results of this ship with another catamarans. From this result obtained unsymmetrical catamaran hull of this particular special vibration mode and analyse the vibration mode in order. The calculation is fairly reasonable, for the future of the asymmetric catamarans to calculate the vibration analysis of a number of reference.

最后將本船計算結(jié)果與另一艘雙體船計算結(jié)果進(jìn)行了比較分析，得到不對稱雙體船這種特殊船型的特殊振動模態(tài)亚洲性爱区视频，并就其振動模態(tài)出現(xiàn)次序進(jìn)行了比較分析辽宁熟妇高潮45分钟，說明本次計算是比較合理的，為今后不對稱雙體船的振動特性分析計算提供了一些的參考动漫无遮挡H纯肉亚洲资源大片。