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starloverk木蟲 (初入文壇)
御劍飛仙
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[求助]
請教結(jié)構(gòu)動力非線性求解中出現(xiàn)小主元的問題
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大家好,最近小弟在用ANSYS經(jīng)典模塊做一個(gè)轉(zhuǎn)子二維平面模型旋轉(zhuǎn)的動力學(xué)仿真 預(yù)設(shè)旋轉(zhuǎn)加速時(shí)間為80S,可是當(dāng)計(jì)算到7秒多的時(shí)候就報(bào)錯(cuò)了: The default values that can be modified on the CNVTOL command have been internally reset to TOLER = 1.0E-2 with VALUE = 1.0 due to convergence difficulties and the analysis is continued. Please verify the analysis with this adjusted value of TOLER. You may need to specify the NSUBST or CNVTOL commands for convergence and accuracy of the solution. This automatic resetting of TOLER and VALUE can be turned off if you include the CNVTOL command in the input. 我在程序中沒用過CNVTOL 和 solcontro命令 請問這是怎么回事呢? 后來我試著加入solcontro命令來優(yōu)化非線性求解,可是出現(xiàn)了報(bào)錯(cuò),直接不能算了: There are 42138 small equation solver pivot terms 只有不使用solcontro命令才能計(jì)算 請大家不吝賜教,謝謝各位了 |
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