structural stiffness 中文意思是什麼
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Application of elastic variable - section pressure - equalizing groove in the structural design of high - stiffness aerostatic thrust bearing
用可變截面均壓槽實現高剛度空氣靜壓軸承的結構設計 -
5 ) the 3 - d geometry and finite element model of the assembly of the optimized obturator of the breech mechanism is set up in terms of the optimized structural parameters. quasi - static and dynamic finite element analysis of stiffness, strength and obturating performance of the optimized obturator of the breech me chanism is performed
利用優化后的結構參數建立了優化后炮閂閉氣結構的裝配體三維幾何實體模型和有限元模型，對優化后的炮閂閉氣結構剛強度和閉氣性能進行了準靜態及動態多體接觸彈塑性有限元分析。 -
Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。 -
The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given
3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。 -
The prestressed cable is a long - span structure which represents tensegrity structure thought. tensegrity structure is not stable without prestress and structural stiffness should be guaranteed by prestress. the structural stiffness changes compatibly with the load
張拉整體結構在無預應力情況下結構是不穩定的，結構的剛度依靠預應力予以保證，並隨著荷載的作用，結構的剛度不斷變化。 -
The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法，其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法，然後介紹了斜拉橋施工模擬體系的形成。 -
The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method
4 、對拉索-粘性阻尼器系統的動力特性進行了研究，得到了拉索剛度、阻尼器安裝高度及阻尼系數等參數對拉索系統模態阻尼比的影響規律；根據最優控制原理，提出了一種確定阻尼器優化阻尼系數的方法，該方法確定的阻尼系數能保摘要證前幾階模態阻尼比得到整體優化，改進了現有的設計方法。 -
Effect of structural stiffness on hydroelastic response of box - typed very large floating structure
結構剛度變化對箱式超大型浮體結構水彈性響應的影響 -
Impacts of structural stiffness change on seismic response of unsymmetrical tower
結構剛度變化對非對稱塔樓結構地震反應的影響 -
Research on the effect which is caused on structural stiffness by structural arrangements was conducted
研究了多塔斜拉橋的各種結構布置方式對結構剛度的影響。 -
By the great deal use of the high - strength steel material, the structure strength is raised, but the problem of structural stiffness and structural stability is made to show to project
由於高強度鋼材的大量採用，提高了結構強度，卻使剛度和穩定性問題日顯突出。 -
But setting of strengthened floor will result in the sudden variation of structural stiffness and internal force, and will come into being weal story. the yield mechanism will difficultly " story column, weak beam " and " strong in resistance of shear force, weak in resistance of bending moment "
在風荷載作用下，設置加強層是一種減少結構水平位移的有效方法；但在地震作用下，加強層的設置將會引起結構剛度、內力突變，並易形成薄弱層，結構的損壞機理難以呈現「強柱弱梁」和「強剪弱彎」的延性屈服機制。 -
In the case of seldomly occurred earthquake, the artificial vertical seams play their roles, changes the failure forms of coupling wall - column and lower structural stiffness and earthquake action
在大震作用下，人工豎縫發揮作用，改變了墻肢的破壞形態、降低了結構的剛度和地震作用。 -
Because of the merits of high structural stiffness, small motion inertia, high kinematic precision and so on, the parallel robot has obtained the more and more widespread application ; but the parallel robot has also the unsafe factors like kinematic singularity, link interference, joint restriction and so on. these will induce that the parallel robot mechanism is destroyed
並聯機器人由於具有結構剛度大、運動慣性小、輸出精度高等優點，近年來獲得了越來越廣泛的應用;但是並聯機器人也存在運動奇異性、連桿干涉、鉸鏈約束等不安全因素，這些會造成並聯機器人機構的破壞。 -
Structural stiffness effect of single amp; amp; bi - fuselage uav with higher aspect ratio and straight wing
大展弦比直機翼雙機身飛機中機身與機翼的最佳布置問題 -
Combining the decomposition of the structural stiffness matrix with an identification approach with unknown input, a method of composite inversion is suggested
通過結構動力矩陣的分解並結合作者提出的一種在輸入信息未知的條件下識別結構物理參數的方法，提出了一類復合反演演算法。 -
In this dissertation, the global negative structural stiffness is concerned, and a comparatively complex constitutive model, the microplane theory, is introduced in the numerical study
在論文的第三部分，筆者用編制的程序對6片預應力高強混凝土變截面箱型連續梁的結構行為進行了數值模擬。 -
As to every building, the damage will affect the structural stiffness and change dynamic behavior, so we can build up reasonable analysis model by structural dynamic behavior
對于任一結構來說，其損傷都將引起結構剛度的變化，從而引起動力特性的變化，因而可從結構的「動力特性」入手來建立合理的分析模型。 -
The study state of art and development trend of structural damage identification research is simply summarized in this paper. hilbert - huang transform ( hht ) is applied to the damage identification and intrinsic frequency confirmation of time - variable structures. furthermore, a kind of inverse calculation is presented to calculate structural stiffness. this method can solve three main problems : the time that damage occurred, the location and the degree of damage
本文簡要總結了結構損傷識別領域的研究現狀和趨勢，圍繞損傷引起固有頻率變化這個特徵，將希爾伯特?黃變換（ hht ）應用於時變結構的損傷識別和損傷前後固有頻率確定上，並結合牛頓迭代法，對結構剛度進行反演計算，從而解決結構損傷識別領域所關注的三個主要問題:損傷發生時間、損傷位置以及損傷的程度。 -
Since the first multispan cable - stayed bridge was designed and built in 1960s, the structural stiffness has been the block of this type of bridges " popularization. in 1990s bridge engineers of the world once again payed their attention to the sort of bridges and showed preference for how to insure the whole structural stiffness as well as the beautiful appearance
盡管在上世紀六十年代就已建成世界上第一座多塔斜拉橋，然而多塔斜拉橋的結構剛度問題卻一直制約著該橋型的發展，直到20世紀90年代，多塔斜拉橋又受到了國內外工程師們的關注，如何在確保多塔斜拉橋的結構整體剛度的同時又使結構顯得美觀，成為發展多塔斜拉橋這一橋型所面臨的關鍵問題。
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