dynamic elasticity 中文意思是什麼

dynamic elasticity 解釋
彈性動力學
  • dynamic : adj 1 動力的,動力學的;力學(上)的;動(態)的;起動的。2 有力的,有生氣的;能動的;(工作)效...
  • elasticity : n. 1. 彈力,彈性;伸縮力,伸縮性,靈活性。2. 開朗的性情。
  1. Statistic characteristic of dynamic elasticity

    動態彈性的統計特性
  2. Testing of carbonaceous materials - determination of dynamic modulus of elasticity by pulse excitation - solid materials

    炭素材料試驗.採用脈沖激勵法測定動態彈性模量.固體
  3. Testing of carbonaceous materials - determination of dynamic moduls of elasticity by pulse excitation - solid materials, corrigenda to din 51942 : 2002 - 03

    碳素材料試驗.採用脈沖激勵法測定動態彈性模量.固體材
  4. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題,在國家自然科學基金(高技術新概念新構思探索) 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下,本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究,取得了以下成果: ( 1 )根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式,將飽和模式的線性系統(簡稱為lssm系統)引入到有限元的神經網路計算中,在理論上實現了有限元神經網路計算的無誤差求解。
  5. According to the gravity - elasticity similar law the model scale of bai shan pumped - storage hydroelectric plants is taken as the trashrack bar is made of zinc, the relative errors between its practical density and elastic modulus and its proper values are - 7. 82 % and + 1. 43 %, respectively. by lvs measuring the velocity distribution ahead the trashrack bar and on the basis of the velocity distribution the working conditions of the pumped - stroage hydroelectric plant are controled. the dynamic strain of the trashrack bar induced by flow are measured using strain slips

    選擇白山抽水蓄能泵站攔污柵水彈性模型的主要比尺為_ l = 3 、 _ e = 3 、 _ p = 1 ,柵條用鋅板加工而成,模型材料的實際密度和應有密度的相對差為- 7 . 82 ,模型材料的實際彈模和應有彈模的相對差為+ 1 . 43 ,用激光流速儀量測柵前流速分佈,並用流速分佈作為控制工況的依據,用應變儀量測柵條應變。
  6. Through analyzing and comparing, the results are presented below : that applying light structure design and selecting larger elasticity coefficient linear motor can improve greatly displacement output dynamic capability of positioning system and controlling precision of position motion, and this is helpful to meet the demand of increase productivity

    分析比較模擬試驗曲線可知:採用結構輕量化設計、選用較大彈性系數的直線電機等可以大幅度改善定位系統的位移輸出動態性能,提高定應運動的控制精度,並有利於滿足設備高生產率的需求。
  7. In this model, the dynamic response of the tire was expressed approximately by a series connection of a spring ( to represent the translational elasticity ) and a steady - state contact model ( to represent the contact between tire and road surfaces )

    該模型用一個彈簧(代表胎體的平移彈性)和穩態模型(代表胎面與路面的接觸作用,也稱接觸模型)串聯來近似表達輪胎的動態響應。
  8. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形狀記憶合金的超彈性和擠壓油膜阻尼器控制轉子振動,利用形狀記憶合金在超彈性狀態下的應力應變曲線,建立了新的系統振動方程,運用非線性理論和運動穩定性理論研究轉子在形狀記憶合金控制下的振動狀態,討論了系統的穩定性條件,獲得系統發生分岔時系統參數之間的關系;並提出了通過改變參數來提高系統穩定性和抑制振幅的方法,最後通過模擬驗證了改進后的系統振動抑制效果。
  9. The way to eliminate chaos phenomenon through adjusting system parameters is indicated. the nonlinear dynamic behavior of journal bearing - rotor system in large parameter space is studied in numerical integral method and floquet theory and the first and second bifurcation behavior of nonlinear rotor system are discussed ; the concept is advanced that realizing the controllable nonlinear stiffness with sfd with the soft - nonlinear of sma in the super - elasticity state to make the vibration amplitude of system always be in the small solution state to reduce the vibration amplitude of rotor system

    運用數值積分方法結合floquet理論對滑動軸承-轉子系統的大參數范圍非線性動力學特性進行了全面的研究,詳細地討論了系統的一次和二次分岔行為; 5 )提出了用形狀記憶合金在超彈性狀態下的軟非線性,結合擠壓油膜阻尼器實現系統剛性的非線性可控,降低系統在非定常狀態下的最大振幅的構想。
  10. This means the saturation degree of concrete is different. by means of analyzing the l9 ( 34 ) orthogonal table, the air content is the chief factor, the second factor is water binder ratio and the third is mineral admixture in both high water pressure and low water pressure. the water saturation degree of concrete in damaging point ( e6 / e0 = 60 % ) can be found by measuring the dynamic modulus of elasticity after six freezing - thawing cycles

    採用l9 ( 34 )正交表對水膠比、含氣量和摻合料三個因素進行分析,試驗結果表明:在自然情況下,影響混凝土水飽和系數的主要因素是水膠比,而影響混凝土在鹽溶液中飽和系數的主要因素則是含氣量;在水壓力作用下,無論壓力大小,混凝土水飽和系數的影響次序依次為含氣量、水膠比、摻合料。
  11. The test result shows that the water binder ratio is the chief factor in damaging point. the saturation of concrete and the higher degree of saturation in the surface layer of specimens can be used to explain the damage form of specimens in the freezing - thawing, which include change of relative dynamic modulus of elasticity and weight

    通過測定飽水受凍6次后混凝土試件的相對動彈性模量,可以計算出混凝土破壞時( e6 / e0 = 60 % )相對應的水飽和系數,即極限水飽和系數,試驗結果表明對試件極限水飽和系數而言,水膠比影響顯著。
  12. Natural stone test methods - determination of the dynamic elastic modulus of elasticity by measuring the fundamental resonance frequency

    天然石材試驗方法.彈性的動態彈性模量測定
  13. Natural stone test methods - determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency

    天然石料試驗方法.彈性的動態模量的測定
  14. Natural stone test methods - determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency ; german version en 14146 : 2004

    天然石料試驗方法.彈性的動態模量測定
  15. From the elasticity variational principle, the governing dynamic differential equations of the geometric non - linear beam with large deflection is deduced

    摘要通過彈性力學變分原理建立了大撓度非線性梁的控制微分方程組。
  16. Testing study on dynamic penetration characteristic for taishan granite with viscous - elasticity

    泰山花崗巖動態鑿入特性的實驗研究
  17. 2. by analyzing and comparing the soil ? stress - strain relation of the non - linear - elasticity and elastoplasticity, an elastoplastic constitutive model of reinforced earth is created for numerical calculating, and the dynamic stress - strain relations is derived

    2 、通過對土體非線性彈性本構模型和彈塑性本構模型的分析、對比和評價,提出了分析加筋土擋土結構的用於數值計算的彈塑性本構模型,並建立了加筋土動本構模型。
  18. Methods of test for dynamic modulus of elasticity, rigidity and poisson ' s ratio of concrete by resonance vibration

    用共振法測定混凝土的動態彈性模量剛性模量及泊松比的試驗方法
  19. Testing concrete - recommendations for the measurement of dynamic modulus of elasticity

    混凝土試驗.第209部分:動態彈性模量測定的推薦方法
  20. With changing the value of every parameter of the model, we can analyse the impact on the dynamic modulus of elasticity " of every parameter

    然後,改變模型各參數的值,分析各參數對動態彈性模量的影響。
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