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Bonnie2016新蟲 (小有名氣)
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[求助]
我用workbench做的靜力學(xué),出現(xiàn)一些錯誤不知道怎么解決 已有2人參與
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我用workbench做的靜力學(xué),large deflection 選擇為 on,出現(xiàn)一些提示: 1、warning:Solver pivot warnings have been encountered during the solution. This is usually a result of an ill conditioned matrix possibly due to unreasonable material properties, an under constrained model, or contact related issues. Check results carefully. 2、warning:Large deformation effects are active which may have invalidated some of your applied supports such as displacement, cylindrical, frictionless, or compression only. Refer to Troubleshooting in the Help System for more details. 3、warning:One or more bodies may be underconstrained and experiencing rigid body motion. Weak springs have been added to attain a solution. Refer to Troubleshooting in the Help System for more details. 在這個求解的過程中我打開了弱彈簧開關(guān),所以第三個warning我可以不需要考慮。 第二個警告是不是說大變形會導(dǎo)致載荷、接觸和約束等可能失效?我的模型就一個實體,沒有接觸,載荷是加載在面上,約束是加在單元節(jié)點上,第二個warning是不是也可以忽略? 第一個warning是說在指點求解的時候出現(xiàn)病態(tài)矩陣嗎?我需要怎么而解決呢? |
金蟲 (小有名氣)

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