諧振動 的英文怎麼說
中文拼音 [xiézhèndòng]
諧振動
英文
harmonic motion-
The higher-order effects of the field on the particle motion give rise to anharmonic terms in the vibrational hamiltoniom.
場對粒子運動的高階效應在振動哈密頓量中引起非簡諧項。The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考慮原子振動的非簡諧效應,從原子間相互作用勢能入手,運用玻爾茲曼統計原理,推出了原子間距的變化與溫度的關系式,並導出了固體的線脹系數。Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
摘要將原子間相互作用勢的非諧項作為微擾,運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了數值計算。Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices
文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用,利用多重尺度結合準離散近似方法去計算晶格振動行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象2. to the circular plate working in axial symmetry vibration at resonant frequency, the equivalent mass in analytical form is derived, that ' s is, and further, the equivalent compliance is obtained using the formula c = 1l 2 m
對于工作在諧振頻率下做軸對稱運動的階梯圓板,採用解析法求得它的等效質量,並由c = 1 / ~ 2m求得等效彈性系數。Statistical analysis of the forced response of random mistuning bladed disk
隨機失諧葉盤系統受迫振動響應的統計特性研究The judgment analysis on syntony
淺析簡諧振動的判斷依據The simplest form of wave motion consists of the combination of a transverse simple harmonic vibration and a uniform translation.
波動的最簡單形式是橫向簡諧振動和勻速直線運動的組合。The vibrations of ru - terminal ligands q - mode and intra - bridged ligand 6a mode as well as their combination in the mixed valence taube ion are studied by using density functional theory method under the borh - oppenheimer approximation. it is found that these three vibrations all are harmonic vibrations. and q - vibration causes the charges on ru1 and ru2 atoms to be asymmetrical distribution. the charge transfer between ru and terminal nh
在borh - oppenheimer近似下,應用量子化學的密度泛函理論方法研究了混合價taube離子中金屬與配體之間的振動q -振動模式橋配體內的振動6a振動模式以及這兩種振動的組合。發現這三種振動模式都可以看成簡諧振動。The harmonic vibration isolation and parameter optimization on double layer vibration isolation system of the automobile
汽車雙層隔振系統的簡諧振動隔離及參數優化The optical feedback self - mixing model is studied when the external cavity of a semiconductor laser suffers a harmonic vibration
摘要在外腔簡諧振動條件下,研究半導體激光器的光反饋自混合干涉系統模型中的測量參數。Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system
座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed
主要工作有:本文根據biot平面動力固結方程,運用積分變換和矩陣傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡諧振動荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。In chapter 4, the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed. the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor. the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit
第四章討論了大型組合結構有限元動力分析的建模原則和計算方法,建立水電站廠房振動分析的下部結構模型,對巖灘廠房進行整體模態分析,較準確地得出發電機層樓板自振特性;同時引進簡諧振動假定,迸行了機組水力振動作用下的廠房結構的動力響應分析。Investigation to quadratic nonlinearities and two - time superharmonic vibrations of plates in parametric excitation
參數激勵薄板平方非線性與2倍超諧振動The condition of wavelength stability of laser under harmonic vibration = 1 is analyzed in this paper
本文分析了在= 1的諧振動調制外場條件下,激光器輸出波長的穩定性條件。Abstract : the condition of wavelength stability of laser under harmonic vibration = 1 is analyzed in this paper
文摘:本文分析了在= 1的諧振動調制外場條件下,激光器輸出波長的穩定性條件。Current transformers are nonreplaceable in the field of protection and measurement for decades, but the electromagnetic current transformers can not meet the development of the electric power system for the reasons of magnetic saturation, ferro resonance, little dynamic range, narrow service band and so on 。 with the popularization of microcompute, it will be irreversible to apply microcompute in the protection and measurement, the equipments do not need the current transformer with high power, so the rogowski coil can apply on the field of protection and measurement
電流互感器在繼電保護和電流測量中的作用長期以來具有不可替代的地位,但電磁式電流互感器所固有的磁飽和、鐵磁諧振、動態范圍小、使用頻帶窄等都難以滿足電力系統發展的要求。隨著微機的普及,在繼電保護和測量中應用微機已是不可逆轉的潮流,設備已不再需要高功率輸出的電流互感器,因此可以選用rogowski線圈作為低電壓輸出要求的電流測量和繼電保護應用。Fundamental mode of vibration
基諧振動模式分享友人