壓制殼層 的英文怎麼說
中文拼音 [yāzhìkécéng]
壓制殼層
英文
pressing skin-
Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。The surface loading of the mountains and the associated root of thickened crust produce horizontal deviatoric tension in the strong upper crust. in contrast, the deep, dense lithospheric root and its associated downflexing of the surface produce horizontal compressive deviatoric stress in the strong near - surface layer. the actual state of stress in the strong layer of the upper crust is the combined effect of these two opposite stress systems together with bending and other local and regional stresses such as due to ridge push
模擬結果表明：由於均衡機制，造山帶下部的低密度山根促使地殼隆升、造山，山根是地殼剛性層中張性構造應力的主要力源；與此相反，冷的高密度巖石圈向軟流圈插入、拆離、下沉，從而形成巖石圈根，它引起擠壓造山和巖石圈地幔物質的重新調整，也是地殼剛性層中擠壓性構造應力的主要力源。Based on the simplified fundament and effective method, reference to the arrangement of the actuator placement and the control voltage can be offered to the composite adaptive structure
該方法原理簡明、計算效率高，可為板殼型自適應結構的作動器鋪層位置設計和控制電壓分佈設計提供依據。The piezoelectric laminated shell is a kind of adaptive structures, and integrated with composite base structure, piezoelectric sensor / actuator and controller units, which can observe the external disturbances by sensor, then change the structural state to adapt for the environment ' s change by the actuator, through regulation of controller units
壓電層合殼是一種由復合材料基體、壓電作動傳感元件和控制單元所組成的自適應結構。它利用傳感元件感受外界環境作用下的響應信息，在控制單元單元的調節下，通過驅動作動元件去改變結構狀態，以適應環境條件的變化。On the basis of classical shell theory and piezoelectric equations, existed a laminated shell ' s theory is improved and extended. with mindlin theory - one order shear theory, and considering both of shear deformation and rotating inertial effect, a set of vibration control differential equations, sensing equations and actuating equations of piezoelectric laminated shell are derived through its structure energy functions
本文在經典殼體理論和壓電方程的基礎上，對已有的層合殼理論進行了擴展，並基於mindlin理論? ?一階剪切理論，同時考慮剪切變形和轉動慣性效應，從結構的能量泛函出發，推導獲得一組廣泛適用的壓電層合殼振動控制微分方程、傳感方程和作動方程。Based on the background of active control of advanced composite barrel ' s vibration, this dissertation focuses on the structure dynamic modeling technique of the piezoelectric laminated shell and satisfactory control of its vibration
本文以先進復合材料身管的主動減振為背景，主要研究壓電層合殼的結構動力學建模技術及其振動的滿意控制。In this dissertation, structure and material property of piezoelectric laminated shell, construction of analytical model and finite element model, satisfactory reduction of dynamic model ' s order, satisfactory control of vibration, genetic optimization of sensor / actuator units " disposition, system synthesis method and its software realization, are discussed and some useful conclusions for the application are acquired
本文圍繞著壓電層合殼的結構與材料特性、解析模型與有限元模型的構造、數值模擬結果的分析、動力學模型的滿意降階、振動的滿意控制、傳感作動單元位置的遺傳演算法優化、系統設計方法及其軟體實現等諸方面的問題進行了研究與探討，並取得了一些可供應用參考的結論。From interdisciplinary view of structure dynamic and control, based on engineering background, considering defect and deficiency of conventional design method, structure / control integrated design, that is, system synthesis is discussed in this paper. matlab and i - deas based general simulation system of vibration control of piezoelectric laminated shell and its software architecture is also presented, by which, a system prototype environment - rsde, has been developed in order to provide high efficient ways and means for active vibration control. the systematical researches on the satisfactory vibration control of piezoelectric laminated shell are presented in this dissertation
本文基於結構動力學與控制理論交叉的獨特視角，結合工程實際背景，針對常規設計方法中的不足，就結構控制一體化設計，即系統設計方法，闡述了自己的見解；並採用此方法，提出了基於matlab和i - deas平臺的壓電層合殼振動控制的通用模擬系統設計方案，並根據這一方案編制了軟體模擬環境? rsde ，為壓電層合殼的振動主動控制設計，提供了高效率的技術開發手段。分享友人