The friction is modeled with a modified coulomb friction model. 模具與板料的接觸摩擦采用一個(gè)修正的庫侖摩擦模型。
When running on straight lines, their contact fricion hystereses strenghthen the locating stiffness of wheelsets. 在直線(xiàn)通過(guò)時(shí)接觸摩擦產(chǎn)生遲滯阻尼作用以增強輪對縱橫向定位剛度。
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