breech mechanism 中文意思是什麼
breech mechanism
解釋
閉鎖機構-
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。 -
4 ) the method for rapid implementation of parameterized modeling of geometry and finite element of structure through a universal cae software ( msc. patran ) is researched, and parameterized modeling of the obturator of the breech mechanism is accomplished using the method
研究了在通用cae軟體（ msc . patran ）環境下，快速實施結構幾何和有限元參數化建模的方法，並對炮閂閉氣結構實施了參數化建模。 -
Application of structural optimization and nonlinear finite element technique to nonlinear multi - component structural system ( assembly ) is studied for the sake of the obturator of the breech mechanism of an automated mortar. the method and technology for optimizing nonlinear multi - component structural system with contact is mainly researched in this thesis
以某自動迫擊炮炮閂閉氣結構為背景，對結構優化與非線性有限元技術在多構件非線性結構（裝配體）系統中的應用進行研究，著重在對存在接觸關系的多構件非線性結構系統進行優化設計的方法和技術途徑方面進行了研究和探索。 -
3 ) a 3 - d geometry and finite element model of the assembly of the obturator of the breech mechanism is established. quasi - static and dynamic finite element analysis of stiffness, strength and obturating performance of the obturator of the breech mechanism is carried out, based on elastoplastic theory and multi - body contact algorithm, and the simulation results coincide with experimental results, further, th e effect of friction factor on its obturating performance is investigated
建立了炮閂閉氣結構的三維裝配體幾何實體模型和有限元模型，對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，分析結果與試驗結果相吻合，進一步研究了摩擦系數對其閉氣性能的影響。 -
Graphical user interfaces are developed to be convenient for implementing of parameterized model and debugging of program parameters. program of optimization based on ga is designed to optimize obturating performance of the obturator of the breech mechanism, further, the effect of control parameters of ga and friction factor on the optimal structure is studied
開發了實施參數化建模和程序參數調試的界面，編制了遺傳演算法優化程序，對炮閂閉氣結構進行了閉氣性能優化，並研究了遺傳演算法運行的控制參數對優化結果的影響以及摩擦系數對最優結構形式的影響。 -
Success in optimizing the obturating performance of the obturator of the breech mechanism shows that the method and technology for optimal design of nonlinear multi - component structural system with contact put forward in this thesis is effective and practical. structural optimization problems that are difficult to solve through the optimization method available in the universal cae software can be accomplished by means of this method
對炮閂閉氣結構閉氣性能優化的成功說明了本文提出的對存在接觸關系的多構件非線性結構（裝配體）系統進行優化設計的方法和技術途徑具有實用價值，可以解決在通用cae軟體中現有優化演算法難以解決的結構優化問題。 -
Comparison of stiffness, strength and obturating performance of the initial obturator of the breech mechanism with those of the optimized one is made, which indicates that the stress concentration that leads to fatigue failure in the optimized structure is eliminated. the flexibility of the optimized obturator of the breech mechanism is considerably increased and its obturating performance is substantially improved
對優化前後炮閂閉氣結構剛強度和閉氣性能進行了對比，優化后的結構應力集中問題得到了有效控制，消除了潛在的疲勞源，結構的柔性得到很大程度的提高，閉氣性能有了明顯改善，實現了優化的目的。
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