According to the designable feature of the laminates, with the factors of the layer angle and the layer order taken into consideration, a new symmetrical laminate has been designed.

本文基于層合板的可設(shè)計性特點超碰在线免费视，綜合考慮鋪層角度国产原创激情在线观看网站视频下载、鋪層順序等對層合結(jié)構(gòu)的影響无码一级毛片一区二区，設(shè)計出了一種二十四層對稱層合板黄色片免费看、。

It is found that, besides the delamination failure due to the interlaminar stresses, the main cause of the unduly-soon failure of the laminate lies in the fact that the strength of the delamination laminate is lower than that of the original laminate A method of modification is also given to allow for the edge-effect produced by using a specimen of finite width to measure ...

發(fā)現(xiàn)導(dǎo)致層合板過早破壞的原因人人玩人人操人人摸，除了由于層間應(yīng)力引起分層破壞外，主要是分層后的疊合鋪層強度低于層合板強度欧美黄色高清视频在线观看；并給出了一般均衡對稱的π/4層合板用有限寬試樣測試拉伸強度時由于邊界效應(yīng)影響的修正方法呻吟av影院。這是一種基于試驗結(jié)果的經(jīng)驗方法。

This paper set out from the high order shear deformation theory at first, and utilize the spline finite point method to set up a new dynamic model of piezoelectric intellectual plate. Secondly ,a corresponding MATLAB program is written according to the theory, and has analysed the deformation of the piezoelectric intellectual plate. In the end , this paper has analysed the vibration control of the piezoelectric intellectual plate. Some results are compared with the analytic values, and have proved the rationality of the results of this paper.

本文首先從高階剪切變形理論出發(fā)可以进的黄网站，利用樣條有限點法污黄色视频，建立了壓電智能層合板新的動力模型；其次超碰免费在线观看av，利用MATLAB語言編寫了相應(yīng)的計算機程序黑鬼操亚洲人，對壓電智能層合板的變形進行了分析；最后分析了壓電智能層合板振動控制問題天天狠天天透天干天干；其中一部分結(jié)果與相應(yīng)的解析解作了詳細的比較免费在线观看黄的网站，證明了本文結(jié)果的合理性。

By using of the first order shear deformation shell theory, the strain-displacement relationships were presented.

采用Hamilton原理欧美A片视频网站?、壓電理論和層合板殼的一階剪切變形板殼理論人人人人人人妇人人人干，推導(dǎo)了壓電層合板殼系統(tǒng)的運動方程。

In chapter 2, a tangent stiffness matrix formula of four-node C〓 element for the laminated plate is deduced, which is based on the first order shear deformation theory and the Von-Karman nonlinear deformation assumption.

第二章首先給出了在一階剪切效應(yīng)和Von-Karman大撓度理論下復(fù)合材料層合板的幾何關(guān)系最新在线观看你懂的，然后基于單元域內(nèi)和邊界一致概念久久人人操人人干，推導(dǎo)了在大變形下"無剪切閉鎖"的層合板單元切線剛度陣免费又黄又裸乳的视频网站，并給出了復(fù)合材料層合板后屈曲分析的有限元平衡方程。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation.

從z-pin增韌復(fù)合材料層合板低速沖擊實驗出發(fā)在线欧美日韩视频，考慮了復(fù)合材料層合板在受低速沖擊時的分層及基體開裂等四種損傷形式国产电影精品一区在线播放，引入適當(dāng)?shù)膿p傷判據(jù)，對T300/3234碳纖維樹脂基復(fù)合材料層合板的低速沖擊損傷過程進行有限元模擬欧美AAAAA一级黄片。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation. By using appropriate failure criterion, the low-velocity impact damage of z-pin reinforced laminates can be identified.

從z-pin增韌復(fù)合材料層合板低速沖擊實驗出發(fā)麻豆专区，考慮了復(fù)合材料層合板在受低速沖擊時的分層及基體開裂等四種損傷形式，引入適當(dāng)?shù)膿p傷判據(jù)播播岛热岛影院久久，對T300/3234碳纖維樹脂基復(fù)合材料層合板的低速沖擊損傷過程進行有限元模擬91在线日韩国产。

Substituting the dynamic model of a two-dimensional piezoelectricactuator into laminated piezoelectric plates,this paper transforms a problemof the laminated piezoelectric plates into the superimposition of a pureproblem of classical laminated plates and a pure problem of electrostatics,which gives another method for analyzing laminated piezoelectric plates.Themethod has advantages of simplicity,and practicableness.

將二維壓電致動器的動力學(xué)模型應(yīng)用于一般壓電層合板結(jié)構(gòu)中，本文將一壓電層合板問題轉(zhuǎn)化為一純的經(jīng)典層合板力學(xué)問題和一純的靜電學(xué)問題的簡單組合欧美乱大交免费，便給出了另一分析壓電層合板的方法网站网站AA片。

Because of the method of Hamilton semi-analysis solution of the thermo-elastic problem of composite laminates has not any assumptions in the direction of thickness, the continuous conditions of the interlaminated stress and deformation are content. The interlaminated stress and the deformation of the laminates can be obtained through solve the state equations by analysis.

由于復(fù)合材料層合板熱彈性問題的Hamilton半解析法，在板厚度方向不引入任何假定a级毛片高清免费播放，保證了層合板層間應(yīng)力和位移的連續(xù)性瑟瑟欧，通過對狀態(tài)方程解析求解得到層合板的層間應(yīng)力和位移。

The results show that the effect of small-sized hole and delaminations is not great . On the natural frequencies , the effect of t ransverse elliptical multiple delaminations around an elliptical cent ral hole is more serious than that of lengthways elliptical multiple delaminations around an elliptical cent ral hole ; the natural f requencies are very sensitive to damages location , and less sensitive to multiple delaminations' size and the holes'size.

結(jié)果表明：當(dāng)穿孔和分層的尺寸較小時国产深夜操屄视频，其對層合板固有頻率的影響很泄劭辞嗖菔悠翟谙摺；橫向穿孔-多分層損傷對層合板固有頻率的影響較縱向穿孔-多分層損傷更顯著国产专区网站；平面編織層合板固有頻率對損傷位置最為敏感91交换，分層尺寸次之，穿孔尺寸的影響最弱国产黄色视频A级片。

batten plate：綴合板

batten floor 木條地板 | batten plate 綴合板 | batten plate column 綴合柱[綴板式]

clad steel：鋼合板

clad metal 金屬合板 | clad steel 鋼合板 | cladding layer 披覆層

curved plywood：曲型合板

curved laminated wood 彎曲層積材 | curved plywood曲型合板 | cypress針葉樹

curved plywood：曲干燥性鼻炎型合板

curly birch 皺紋樺木板 | curved plywood曲干燥性鼻炎型合板 | cypress針葉樹

splint：(牙合)板

咬牙合板(splint)治療TMD的機制:1.松弛型咬牙合板(relaxationsplint) 戴在上前牙上,下前牙與咬抬板呈點狀接觸,后牙分牙合,可以使緊張的肌肉被動松弛,牙周感受器接收的病理性傳人沖動被阻斷,下頜位置得以重新調(diào)整.

delaminated composite plate：含分層損傷層合板

粘彈性阻尼復(fù)特征值:composite structures | 含分層損傷層合板:delaminated composite plate | 板桁結(jié)合斜拉橋:Plate-truss composite Cable-stayed bridge

chipboard：木屑壓合板;萬花板

木材車削工具 wood turning tools | 木屑壓合板;萬花板 chipboard | 木條接榫 corner strip joint

chipboard：木屑膠合板;木屑壓合板;"萬花板";"刨花板

Chinese tenement 唐樓 | chipboard 木屑膠合板;木屑壓合板;"萬花板";"刨花板" | chippings 碎屑;破片

hinge plate：鉸合板, 鉸鏈門梃, 鉸折板

stand in with 與...分擔(dān), 與...聯(lián)合 | hinge plate 鉸合板, 鉸鏈門梃, 鉸折板 | neither pron.兩者都不 既不...又不, 也不

riveted plate girder：鉚合板梁,鉚合梁

riveted pipe ==> 鉚合管 | riveted plate girder ==> 鉚合板梁,鉚合梁 | riveted seam ==> 鉚接縫