非模態彈出 的英文怎麼說
中文拼音 [fēimótàidànchū]
非模態彈出
英文
modeless pop-up- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
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In this paper, the large non linear fem software marc be used to calculate the 3d deformed distribution of the cold roll forming machine frame, slide seat and bolster plate
摘要以大型非線性有限元軟體marc為分析工具,建立接觸分析模型,對冷滾軋機床機架、滑臺及墊板進行三維有限元彈性接觸分析,給出機床三維變形狀態的定量描述。In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress
本文結合實際工程,對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗,確定了該壩粉煤灰的靜動力學指標;然後根據比奧( biot )固結有效應力原理,採用鄧肯( duncan )非線性應力應變模型,對該灰壩的二維靜力應力和變形狀態進行了分析;最後利用本文提出的地震超靜孔壓指數函數模型,採用等價粘彈性動力有限元方法,對該灰壩在地震作用下的動力穩定性進行了分析評述。Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology
綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-阻尼器系統的空間振動非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-阻尼器系統的阻尼特性,在各種荷載作用下,對索-阻尼器系統的非線性瞬態振動響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。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。Its new global dynamic model in terms of measured joints is derived by coordinate transformation, and the decoupled control equations for joint relative angles and elastic parts of the flexible manipulator are obtained with the model - based nonlinear decoupling feedback control method
通過坐標變換,推導出一種新的以可測關節角為變量的全局動態模型,並在此基礎上運用基於模型的非線性解耦反饋控制方法得到關節相對轉角與柔性臂的彈性變形部分解耦形式控制方程。President bush also praised rumsfeld for his efforts to stem the proliferation of weapons of mass destruction, for supervising the development of the new u. s. missile defense system and for implementing what the president called “ the most sweeping transformation of america ' s global defense posture since the start of the cold war ” in the 1940s
布希總統還贊揚到,拉姆斯非爾德為阻止大規模殺傷性武器的擴散做出了努力,監督了新美國導彈防禦系統的發展並實現了被總統稱作的對從20世紀40年「代冷戰開始的美國全球防禦姿態的最徹底的改革」( 4 ) with the help of the experimental samples, a drnn identifier is trained off - line utilizing the compound identification method. the nonlinear dynamic model is achieved for the experimental mechanism
4 .在系統辨識方面,本文以實驗輸入輸出數據作為訓練樣本,採用復合辨識方法離線設計了動態遞歸神經網路辨識器,獲得了彈性連桿機構的非線性動力學模型。At last, the analysis of the redistribution of the initial crust stress and the distribution of the plastic area is made ; the stability evaluation of the rock mass around the cavern is provided. the outcome is conformed with the reality. then applys the approximately equivalent dissolved rule, and considers the action of anchor staff to consolidate the rock mass, and correspond model is established, nonlinear finite element m ethod is applied to analyze the effect of the supports, the result shows that the action of anchor staff is obvious and deformation and stress state of the rock mass is greatly approved. so, the result conforms that the idea and the means used in the thesis is applicable
最後運用非線性有限元對廠房開挖后圍巖的應力重分佈和塑性開展區的分佈作了分析,評價了廠房的圍巖穩定性,其結果與實際開挖情況基本吻合,針對圍巖穩定性評價的結果,提出了錨固方案,運用等效概化原理考慮錨桿的作用,建立了採用系統錨桿加固后的地下廠房圍巖的三維彈塑性模型,運用非線性有限元分析了加固效果,結果表明錨固作用明顯,圍巖變形明顯減小,圍巖內的應力狀態大為改善,從而驗證了本文所採用的研究思想和方法是切實可行性的。Under strongly random exterior excitation, most structures will undergo elastic - plastic stage and show hysteretic characteristics, the vibration of structure expresses nonlinear random feature. therefore nonlinear model must be utilized in order to describe the behavior of this kind of structure, also the theory and methodologies of nonlinear random vibration are necessary for analyzing their response
許多工程結構在強烈隨機外激勵下都將進入彈塑性變形狀態,表現出滯后特性,結構的振動表現為非線性隨機振動,因此必須用非線性模型來描述結構,並用非線性隨機振動的理論和方法來進行分析。The transfer function of the servo system in laplace - domain is transformed to time - domain to produce the servo state equations. by solving aerodynamic equations, structure state equations and servo state equations in every time step, the aeroservoelastic problem can be simulated in time domain
將伺服機構的傳遞函數轉化為狀態方程和輸出方程,在時間域內同時求解結構運動方程、非定常氣動力、伺服狀態方程和輸出方程,實現了帶有伺服機構的氣動彈性系統的時域模擬。分享友人