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shiranjiang金蟲(chóng) (正式寫(xiě)手)
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[求助]
中文摘要翻譯
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在現(xiàn)代造船中,焊接是一項(xiàng)很關(guān)鍵的工藝,它不僅對(duì)船體的建造質(zhì)量有很大的影響,而且對(duì)提高生產(chǎn)率,縮短造船周期起著很大的作用。FCB埋弧單面焊因其無(wú)須翻板,因而有助于改進(jìn)船體的生產(chǎn)流程,提高生產(chǎn)效率。但單面焊工藝往往會(huì)在焊縫終端附近的某個(gè)區(qū)域產(chǎn)生裂縫,因此,如果不解決FCB埋弧單面焊的終端裂縫問(wèn)題,將給生產(chǎn)線(xiàn)的正常生產(chǎn)帶來(lái)一定的影響。由于焊接熱過(guò)程對(duì)焊接終端裂紋的控制和焊接質(zhì)量及生產(chǎn)率的提高具有極其重要的影響,因此掌握其基本規(guī)律以及在各種焊接規(guī)范下的變化趨勢(shì)具有十分重要的意義。 本文利用有限元軟件ANSYS對(duì)FCB三絲埋弧焊焊接過(guò)程進(jìn)行模擬,建立了多絲埋弧焊熱源模型,并用ANSYS參數(shù)化設(shè)計(jì)語(yǔ)言,即APDL語(yǔ)言實(shí)現(xiàn)了熱流密度移動(dòng)加載的算法,最終獲得了FCB埋弧焊焊接溫度場(chǎng)分布情況,為焊接終端裂紋的分析提供了依據(jù)。 |
捐助貴賓 (著名寫(xiě)手)
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在現(xiàn)代造船中,焊接是一項(xiàng)很關(guān)鍵的工藝,它不僅 對(duì)船體的建造質(zhì)量 有很大的影響,而且對(duì)提高生產(chǎn)率,縮短造船周期 起著很大的作用。 For modern shipbuilding industry, welding is a vital key technique, which not only affects the construction quality of ships in large degree, but also plays vital role in improving the production and shortening the shipbuilding period. FCB埋弧單面焊 因其無(wú)須翻板,因而 有助于 改進(jìn) 船體的 生產(chǎn)流程,提高生產(chǎn)效率。但單面焊工藝 往往會(huì)在焊縫終端 附近 的某個(gè)區(qū)域 產(chǎn)生裂縫,因此,如果不解決 FCB埋弧單面焊的 終端裂縫問(wèn)題,將 給生產(chǎn)線(xiàn)的 正常生產(chǎn) 帶來(lái)一定的影響。 Turning plate over is unnecessarily need while using FCB one-sided submerged arc welding, which will help to improve the work flow of ship hull production and increase the production efficiency. However, cracks often occur at some area beside the weld end when using this welding technique, as a result, if no solution is given to solve the problem of cracks occurrence, negative effects will be upon the regular operation of production line. 由于焊接熱過(guò)程 對(duì)焊接終端 裂紋的控制 和焊接質(zhì)量 及生產(chǎn)率的提高 具有極其重要的影響,因此 掌握 其基本規(guī)律 以及在各種焊接規(guī)范下 的變化趨勢(shì) 具有十分重要的意義。 Since the welding heat process is of significant effect in controlling the occurrence of cracks beside weld end, and in improving welding quality and production efficiency, therefore, a good master of basic welding rules and variation tendency under various welding condition is of great significance. 本文利用 有限元軟件ANSYS 對(duì)FCB三絲埋弧焊 焊接過(guò)程 進(jìn)行模擬,建立了 多絲埋弧焊 熱源模型,并用ANSYS參數(shù)化 設(shè)計(jì)語(yǔ)言,即APDL語(yǔ)言 實(shí)現(xiàn)了 熱流密度 移動(dòng) 加載的算法,最終獲得了 FCB埋弧焊 焊接溫度場(chǎng) 分布情況,為焊接終端裂紋 的分析 提供了依據(jù)。 In this paper, using the software ANSYS, the welding process of FCB three wires submerged arc welding was successfully simulated, and many heat source models of multiple wire submerged-arc welding were established. In addition, with the application of ansys parameter design language (i.e.APDL language), it realized the algorithm for mobile loading of heat flux and eventually obtained the distribution of welding temperature field of FCB submerged-arc welding, providing basis for the analysis of cracks beside weld end. |
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