The feasibility of hydroforming tri-branch tube is proved by FEM. The corresponding thickness and strain distribution of different axial feed velocity on the simulation is analyzed.
利用有限元法证实了内高压成形三通管的可行性，给出了不同轴向进给速度下零件的壁厚及应变分布，并就轴向进给速度对成形的影响进行了分析。
Remolded loess stress-strain relations are analyzed under the situations of true tri-axial; Specimen failure modes are described and analyzed the mechanism.
在研究岩土类材料强度变形特性的基础上，开展重塑黄土的强度特性分析。
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