A new finite element model based on U-bending benchmark of NUMISHEET '93 has been proposed to predict springback with contact evolution between the sheet and dies.

基于NUMISHEET93的U形弯曲标准考题，考虑板材与模具间的接触演变过程，建立了一个新的有限元模型来预测回弹。

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The influence of process parameters on springback of sheet metal is studied comprehensively by using U-shape sheet metal as the test object.

以U形板料为研究对象，综合考察评价了多个工艺参数对U形板料冲压回弹量的影响。

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A finite element model based U-bending benchmark of NUMISHEET '93 has been used to predict springback with contact evolution between the sheet and dies.

基于NUMISHEET93的U形弯曲标准考题，考虑板材与模具间的接触演变过程，建立了一个有限元模型来预测回弹。

youdao

Some very smart forecasters, such as Forbes columnist A. Gary Shilling and newsletter writer John Mauldin, think the U.S. is in a balance-sheet recession.

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That might be a price worth paying if it paved the way for a faster restructuring of the U.K. balance sheet, including the writing-off of unsustainable debts.

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For instance, in the U.S., non-financial corporate cash on balance sheet is at a 50-year high at nearly 6%, according to Credit Suisse.

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