damage by vibration 中文意思是什麼
damage by vibration
解釋
振動傷害-
Pulsant test and vibration models dvaluation are discussed in dynamic detection. pulsant test mainly expounds pulsant experiment, transitting test, bounce test, braking examination. lt is judged by the cell damage index whether carving up cell comes to harm
其中脈動測試主要闡述了脈動試驗、跑車試驗、跳車試驗、剎車試驗。振型評估是通過劃分單元的單元損傷指數來判斷所劃分單元是否受損。 -
The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此，本文提出在實驗室條件下，利用現代測試技術，就分離篩的振動及其對主梁的動載作用作研究。 -
The program used near elements " vibration displacement to predicate a bridge " s strain when it computed the strain mode of a bridge. to some extent, as solved measuring means to detect structure damage with strain mode approach. the program " s computing result certified that bridge damage " s location and degree could be delected not by the approach of strain mode, but by the curve difference ol " strain mode
程序人計訃應變模態時采川州鄰單元的模態位移，卅抑橋梁介動載作川十人勺應變棋忐公式，從一定程度卜解決了應變模態方法應川： j 「結構損傷檢測受到傳統應變測量手段制約的難題。 -
Bridge can be detected by the transformation of structure mode parameters with the modern technology of signal test. the vibration frequency is obtained easily in the measure, but it is n ' t sensitive to the transformation of mass and rigidity. so it is difficult to identify by test system when the damage of structure reach to the limit damage degree
在實際的工程測量中最容易獲取的結構模態參數就是振動頻率，但是振動頻率對質量、剛度的變化具有弱靈敏性，這使得即使結構的破損程度達到了極限破損程度，振動頻率的變化也很難被測試系統識別。 -
The criterion of the damage of the eastern slope of open pit of tongshankou mining by blasting vibration can be judged by dynamic stress ratios ( dsr )
銅山口礦露天采場東幫巖體爆破震動破壞情況可使用動態應力比判據來判別； 5 -
Vibration can cause damage to products by abrasion, fatique and overstress and may contribute to early product failure during use
振動可通過磨損、疲勞和過應力引起對產品的損壞，並且可能會導致產品在使用期間的過早損壞。 -
The load capacity and damage degree of bridge are detected by the curve of the transformation of vibration frequency in different attached load and different damage. a conclusion that the attached load method improves the of vibration frequency sensitivity to the physical property parameters of bridge structure is drawn at last. and the same time the paper bring forward a new and convenient technique of dynamic load test - - the attached load method
通過振動頻率在不同的附加荷載作用下、不同破損情況下的變化曲線來確定橋梁的承載能力以及破損程度，得出了附加荷載法改變了振動頻率對橋梁結構物理參數的弱靈敏性這一結論，提出了一種更為新穎、快捷的橋梁承載能力的動荷載檢測方法? ?附加荷載法。 -
The dynamic loads created by vehicle vibration accelerate the wear and tear of vehicle assembly and parts, response to assembly and parts ’ too early fatigue malfunction. when the dynamic loads work on the road surface through tyres, the road surface inclined to being created fatigue damage and macro damage. dynamic tyre load also would response to the structure destruction of vehicles if the maximum amplitude of its responses be out of range
對于車輛而言，平順性的好壞將影響車輛的動載荷和壽命，由於振動產生動載荷會加速零件的磨損，使某些部件過早發生疲勞失效，同時通過輪胎車輪作用到路面上，使路面易於產生疲勞損傷和宏觀破壞，如果振動產生的動載荷由於峰值過大，還會造成結構產生失穩破壞。 -
The wavelet packet transform is investigated as a novel means of extracting time - frequency information and reducing dimensions of feature from vibration signal in the infinite time domain. neural network is discussed as a pattern classifier to finish damage pattern classification by inputting node energy feature vector
小波包變換以其特有的高頻解析度能夠實現對結構振動信號的特徵提取，可以把時域無限的測試振動信號降維，得到有限個節點能量信號構成的特徵指標。 -
The intelligent damage diagnosis system that is built by combining vibration diagnosis, wavelet analysis, fuzzy mathematical, neural network and so on is discussed emphatically
重點討論了振動診斷方法與小波技術、模糊數學、神經網路等方法結合的智能診斷方法。 -
The use of the batten interpolation for modal parameter in the curvature modal and flexibility difference curvature method can solve the contradiction between decreasing measure points and the guarantee of identification precision ; the identification program has also been developed in matlab : as long as the former 3 step vibration shape and frequency are input, the value and the graphic representation of damage identification will be obtained by flexibility difference curvature method
本文應用曲率模態法、柔度差值曲率法當中，對模態參數用樣條插值，較好地解決了減少測點與保證識別精度的矛盾；在matlab軟體中開發了識別程序：只需輸入前三階振型和頻率，即可由柔度差值曲率法給出損傷識別的圖示與數值結果。 -
In this paper, a new modal analysis and damage identification method is developed for bridge structures, in which the vibration modal and curvature modal can be obtained by natural frequency, and so local damage is characterized by only the natural frequency measured from the damaged structures. in contrast with most of the existing vibration - based damage identification methods, which require both the natural frequency and other modal parameters measured from the damaged structure
摘要工作狀態下橋梁結構的模態參數識別是橋梁損傷識別的重要環節，考慮橋梁檢測的實用性，橋梁檢測一般應建立在環境激勵的基礎上，已有的環境激勵下模態參數識別的方法對模態頻率的識別的精度較高，而對位移模態的識別則誤差較大。 -
In these places, vibration must be controlled in order to avoid the damage, which is arisen by vibration
凡是會產生有害振動的地方都需要進行減振，以防止因為振動而帶來的危害。 -
By the vibration tests, the dynamic property before and after the damage obtained in statics tests is tested and analyzed
通過hrb400級鋼筋的模態試驗，分析了此類鋼筋受彎梁的模態特性，比較了無損傷梁于正常使用狀態下的梁的模態特性。
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