本文關(guān)鍵詞：點(diǎn)接觸混合潤滑的數(shù)值求解方法　出處：《潤滑與密封》2017年06期 　論文類型：期刊論文

  更多相關(guān)文章： 半系統(tǒng)法 混合潤滑 點(diǎn)接觸 漸進(jìn)網(wǎng)格加密算法

【摘要】：基于半系統(tǒng)法的統(tǒng)一Reynolds方程,對點(diǎn)接觸混合潤滑進(jìn)行數(shù)值模擬。在流體潤滑區(qū),采用Reynolds方程求解流體壓力,在固體接觸區(qū)采用簡化Reynolds方程求解壓力。彈性變形使用離散卷積-快速傅里葉變換(DC-FFT)計(jì)算。為了加快迭代收斂速度,在數(shù)值求解過程中使用漸進(jìn)網(wǎng)格加密(Progressive Mesh Densification,PMD)算法。數(shù)值模擬結(jié)果表明,該模型可以快速地求解光滑和粗糙表面條件下的各種潤滑情況,包括全膜、混合和邊界潤滑;隨著卷吸速度的增加,潤滑狀態(tài)從邊界到混合再到全膜潤滑是個(gè)光滑過渡的過程。
[Abstract]:Based on the unified Reynolds equation of semi system method, the numerical simulation of point contact mixed lubrication is carried out. In the fluid lubrication area, the Reynolds equation is used to solve the fluid pressure, and the simplified Reynolds equation is used in the solid contact area to solve the pressure. The elastic deformation is calculated by the discrete convolution fast Fourier transform (DC-FFT). In order to speed up the convergence rate of iteration, the Progressive Mesh Densification (PMD) algorithm is used in the numerical solution process. The numerical simulation results show that the model can quickly solve the lubrication condition of smooth and rough surface conditions, including film, mixed and boundary lubrication; with the increase of rolling speed, lubrication from the boundary to the mix to the full film lubrication is a smooth transition.
【作者單位】： 武漢科技大學(xué)機(jī)械自動(dòng)化學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(51405350) 武漢科技大學(xué)冶金裝備及其控制教育部重點(diǎn)實(shí)驗(yàn)室開放基金(2014B02)
【分類號】：TH117.2
【正文快照】： )j縥縥縥縥，

本文編號：1338415