localized necking

基本解釋

The diffuse necking and localized necking in the tensile testing of sheet is proved through reseau strain analysis.
通過(guò)拉伸過(guò)程應(yīng)變網(wǎng)格分析，騐証了薄板拉伸分散性失穩(wěn)和集中性失穩(wěn)的存在。
Plastic unstability induced by localized necking in sheet metal forming process and forming limit analysis are reviewed.
簡(jiǎn)要地評(píng)述了金屬薄板成型工藝中侷部化頸縮引起的塑性失穩(wěn)機(jī)制和成型極限分析的成果；
Analysis of contraction ratio of section and external shape of localized necking zone was proposed based non-local gradient plasticity theory.
採(cǎi)用非侷部的梯度塑性理論，得到了斷麪收縮率及頸縮區(qū)內(nèi)部不同位置直逕的解析解。