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弹塑性力学引论 - Google 圖書結果
books.google.com.hk/books?i*****n=7302074763...杨桂通 - 2004 - 273 頁
式( 9 - 20 )说明,在给定的外力作用下,实际的位移应使总势能的一阶变分为零,即使总势能取驻值。以下进一步证明实际的位移总是使物体的总势能取最小值。·对于稳定 ...
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曲线坐标系01 4.最小势能原理 离心滤分离杂质的极限: 离心力Centrifugal force (F) 离心力作为真实的力根
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