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連桿是發(fā)動(dòng)機(jī)最為重要的部件，連桿的模擬計(jì)算是一個(gè)非常有意義的研究領(lǐng)域。由于連桿的幾何形狀、邊界條件和作用載荷都非常復(fù)雜，要盡量精確地模擬連桿性能，選擇合適的計(jì)算方法是其中關(guān)鍵環(huán)節(jié)之一。本論文主要完成了以下工作:（1）利用Pro/E軟件建立連桿的三維模型，并導(dǎo)入ANSYS軟件劃分網(wǎng)格得到有限元模型，包括模型選擇及簡化、單元選擇、網(wǎng)格劃分、選擇計(jì)算工況、確定邊界條件及確定載荷和約束施加等。（2）對(duì)連桿進(jìn)行靜態(tài)分析，驗(yàn)證了連桿有限元模型及邊界條件的正確性和可行性，得到了與實(shí)際情況相符的應(yīng)力云圖。（3）通過對(duì)連桿應(yīng)力云圖分析找到主要應(yīng)力集中區(qū)域，并分析其產(chǎn)生的機(jī)理和相應(yīng)的解決應(yīng)力集中的方案本文分析了連桿的性能并研究了連桿強(qiáng)度計(jì)算方法，對(duì)今后發(fā)動(dòng)機(jī)連桿強(qiáng)度計(jì)算有一定的參考價(jià)值。: 問提問者：網(wǎng)友 | 2017-05-11

最佳回答

The connecting rod is the engine most important part, connecting rod's analog computation is a very meaningful research area. Because connecting rod's geometrical shape, the boundary condition and the used load are complex, must simulate the connecting rod performance as far as possible precisely, chooses the appropriate computational method is one of key links. the present paper has mainly completed the following work: (1) establishes connecting rod's three-dimensional model using the Pro/E software, and inducts the ANSYS software division grid to obtain the finite element model, including the model selection and simplified, the unit select, the grid division, the choice computation operating mode, the define boundaries condition and the determination load and the restraint exerts and so on. (2) carries on the vertical analysis to the connecting rod, has confirmed the connecting rod finite element model and the boundary condition accuracy and the feasibility, obtained with the actual situation match case stress cloud chart. (3) through found the main stress concentration region to the connecting rod stress cloud chart analysis, and analyzed the mechanism which and corresponding solution stress concentration plan it produced This article has analyzed connecting rod's performance and has studied the connecting rod strength calculation method, to present engine connecting rod the strength calculation has certain reference value.: 回答者：網(wǎng)友

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