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[求助]
ansys熱結(jié)構(gòu)耦合分析奇怪錯(cuò)誤
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大家好,我做的是熱結(jié)構(gòu)耦合分析,熱分析結(jié)束后,在結(jié)構(gòu)分析時(shí)出現(xiàn)下面警告和錯(cuò)誤,有人遇到過嗎?求大神指導(dǎo)。為什么我熱分析能順利進(jìn)行,而在結(jié)構(gòu)分析時(shí)說我溫度超出限制,結(jié)構(gòu)分析時(shí)不是沒涉及溫度么? *** WARNING *** CP = 1591.812 TIME= 10:47:11 There are 6104 small equation solver pivot terms. May be a transitional effect caused by the Newton-Raphson logic. *** ERROR *** CP = 1596.625 TIME= 10:47:37 The value of TEMP at node 16606 is 4.771374672E+31. It is greater than the current limit of 1000000. This generally indicates rigid body motion as a result of an unconstrained model. Verify that your model is properly constrained. *** ERROR *** CP = 1596.719 TIME= 10:47:42 *** MESSAGE CONTINUATION ---- DIAGNOSTIC INFORMATION *** If one or more parts of the model are held together only by contact verify that the contact surfaces are closed. You can check contact status in the SOLUTION module for the converged solutions using CNCHECK. *** ERROR *** CP = 1596.781 TIME= 10:47:44 *** MESSAGE CONTINUATION ---- DIAGNOSTIC INFORMATION *** Rigid body motion can also occur when net section yielding has occurred resulting in large displacements for small increments of load or when buckling has occurred. You can plot the time history curve for node 16606 in the TEMP direction to check for stiffness (slope of the curve) approaching zero. |
找到一些相關(guān)的精華帖子,希望有用哦~
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