畸變應力 的英文怎麼說
中文拼音 [jībiànyīnglì]
畸變應力
英文
distorting stress-
The multi - pass amplifier was being adopted proverbially, which could improve the output energy consumedly. but on the other hand the beam quality was degraded by the severe wave - front ' s aberration that exacerbated by multi - passing the beam through the amplifier
多程放大系統因能夠較大提高系統的輸出能力，故得到較為廣泛的應用；但由於多程放大級各類波前誤差的相干疊加，使系統輸出激光的波前發生比較嚴重的畸變，導致光束質量的下降。Besides, the gauss interpolation function and the domain of support which includes much more nodal information than finite element method does is used to make meshless method much more earlier solve the large deformation and distortion and describe the local characteristic ( such as stress locality et al. ) more facilely
並由於在無網格法中採用了高次插值函數和包含有較多節點的支持域（在有限元法中的支持域只包含單元節點） ，從而使得無網格法能方便地處理變形畸變和應力應變局部化等問題。Pian presented mix fem and hybrid fem in 1964. for its good capability in solving the irregular elements problems, incompressible material problems, and high precision in stress and strain results, the research of mix and hybrid fem is in the ascendant
Pian於1964年基於hu - washizu變分原理提出了雜交元和混合元方法，由於該方法在單元畸變、不可壓縮性和應力應變求解方面表現出優異的性能，目前的研究正方興未艾。The transient temperature and thermal stress distribution in disk of heat capacity laser pumped by high power lda are simulated by use of finite element methods, optical distortions and birefringence were computed subsequently
摘要利用有限元數值方法，模擬計算了熱容模式下片狀激光介質的瞬態溫度分佈和熱應力分佈及其波前畸變和應力雙折射。Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods
摘要為了研究激光介質熱畸變對固體熱容激光器的影響，數值計算了高功率激光二極體陣列抽運片狀激光介質的瞬態溫度場和熱應力分佈。The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors
大氣湍流等動態干擾使光波面相位發生畸變，使光學系統的解析度無法達到其衍射極限，而自適應光學系統使用變形鏡對光波面進行動態相位調制，賦予了光學系統能動可變的能力而有效地解決了動態干擾的問題。Considering the influence of damping winding and if core is saturated or not, the no - loading emf waveform of a conventional generator having the same size with the prototype ( except the stator slot ) is analyzed, and the waveform deviation factor is taken out
對一臺具有與電力發生器樣機相同尺寸（除定子槽形）傳統發電機的空載電勢波形進行了分析。分析了不考慮鐵心飽和、考慮阻尼繞組影響和考慮鐵心飽和、考慮阻尼繞組影響兩種情況下，它的空載感應電勢，求取了空載電勢波形畸變率。On the basis of these theories, the no - loading emf of powerformer is analyzed and the no - loading waveform deviation factor is taken out, in the conditions of considering the influence of damping winding and not considering it
在這些理論基礎之上，分析了考慮阻尼繞組影響與不考慮阻尼繞組影響兩種情況下電力發生器的空載感應電勢，求取了空載電勢波形畸變率。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper
有源電力濾波器可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them
自適應光學進行光束大氣傳輸波前畸變校正時，要求系統必須能進行光束凈化和校正大氣湍流造成的波前畸變，並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響，得到接近衍射極限的輸出激光光束。Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control
重復控制可以抑制逆變電源在負載變化嚴重（空載加到滿載）或者非線性負載條件下的輸出電壓畸變，保證輸出波形的質量；電流環用以改善輸出波形的動態響應特性，提高逆變控制的能力。In this paper, in order to estimate coal storage volume in open stockyard, we have analyzed the optical triangulation and applied it to the measurement of large surface we have stated the measuring theory of distance with laser and the measuring theory of angle. we have also analyzed main factors influencing measurement precision and studied several key techniques in large - scale measuring such as the problem of non uniformly distributed of distance measuring resolution in large surface measurement, the methods of locating laser spot center and so on
本文通過對火力發電廠露天煤場存煤量的自動檢測系統的研究，深入分析了光學三角測量方法的原理，並將其應用於大型曲面測量；闡述了激光測距原理和角度測量原理；對大型曲面測量的實現方法、畸變光斑圖像的幾何中心的準確定位等幾個方面的關鍵技術進行了探討；分析了大范圍測量時影響測量精度的主要因素。In this thesis, firstly, a new distortion current detection theory and approach based on the least compensation current ( lcc ) is presented, and an apf using the new lcc detection method is investigated
首先，在對電力諧波的產生、危害及目前最新的治理措施進行必要的論述和分析的基礎上，提出一種基於最小補償電流的畸變電流檢測的新理論和方法和相應的補償電流最小的單相有源電力濾波器。Influence of geomagnetic field on the formation of stress induced magnetic abnormalities
地磁場在應力致磁畸變產生過程中的影響In recent years, current rectifiers, frequency converters, arc furnaces and other power electronic devices etc have been increasingly used in power network. with nonlinear, impactive, unbalanced characteristics, they generate lots of harmonics and cause distortion in power network current or voltage
近年來，配電網中整流器、變頻裝置、電弧爐以及其它電力電子設備等的應用不斷增加，由於這些負荷具有非線性、沖擊性和不平衡的用電特性，引起供電網中的電流（電壓）畸變，產生大量諧波。The rectifier scheme that direct current supplying with power electronic equipment is obtained by alternating current being rectified is widely applied in power electronics field. however, the rectifying circuits result in input current distortion, input power factor greatly decrease
從電網獲取交流電經整流后為設備提供直流電是電力電子技術中應用極為廣泛的一種整流方案，然而由這種整流方案設計的電路使輸入電流產生嚴重的畸變，其諧波電流嚴重污染了電網，輸入端功率因數大大下降。Recently, along with the broad application of power electronics technology, many non - linear loads are used continuously in power systems, which make harmonic content rising rapidly, voltage shape distorting badly and power quality descending
近年來，隨著電力電子技術的廣泛應用，非線性負載不斷引入電力系統，造成電力系統中諧波含量急劇上升和電壓波形嚴重「畸變」 ，致使電能質量下降。With the broad application of the electrical and electronic technology in the industry branches and the power apparatuses, the number of non - linear loads is much more and more, and the capacity of them is biggish, so a mass of harmonic is injected into the power system, which produces the waves of voltage and current in power system to be aberrant seriously
隨著電力電子技術在各工業部門和用電設備上的廣泛應用，非線性負荷數量越來越多，容量也越來越大，諧波大量注入電網，使電力系統電壓、電流波形發生嚴重的畸變。由於大多數儀器、儀表是針對工頻正弦波設計的，因而造成指示數據不正確。The extensive applications for power electronic apparatus and nonlinear equipment distort the waveforms of voltages and currents. as a result, power quality is going much worse. in addition, due to the improvement of industrial automatization, such parts of an apparatus as mpu and plc are applied to industrial process controls, which are disturbed easily by stirs from power system
一方面由於電力電子器件和非線性設備的廣泛應用，使得電網中的電壓、電流波形發生畸變，造成電能質量的嚴重惡化；另一方面由於工業自動化水平的提高，微處理器和plc等智能器件大量應用於工業過程式控制制，而這些精細過程式控制制更容易受到電力系統抖動的影響，因此現代工業對電能質量提出了更高的要求。The polymer is widely used in fields of electric and electronic insulation, but local fields ( electric fields, mechanical stress ) distortion induced by space charges in polymers will greatly affect properties of polarization, conductance, short - term breakdown and long - term breakdown
聚合物在電氣、電子絕緣中應用極為廣泛，但其中的空間電荷誘導的局部場（電場、力場）畸變，將對極化、電導、短時及長時擊穿特性帶來巨大影響。分享友人