球形孔泡沫铝合金力学性能高于多边形孔泡沫铝合金及泡沫纯铝，因而其三明治梁的力学性能最好。
It is concluded that the sandwich beams with core of spherical pore Al alloy foam is excellent for more good mechanics property.
作者从断裂力学观点研究了圆盘形纯剪切破裂产生的远场位移，导出了远场位移的解析表达式。
From the point of view of fracture mechanics, we studied the far displacement field produced by a disk-shaped pure shear fracture and obtained an analytic expression for that field.
将单箱单室复合材料箱形梁纯扭转的分析方法拓展到单箱多室。
The approach for pure torsional analysis of thin-walled composite box beams with single-cell was extended to ones with multi-cells.
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