The time-variable stiffness is acquired by 3D finite element contact procedure, while the exciting force caused by meshing shock is obtained by 3D dynamic contact finite element mixed formula.
时变刚度曲线用轮齿三维接触有限元方法求得，啮合冲击激励力用轮齿三维冲击-动力接触有限元混合法求得。
The time-variable stiffness is acquired by 3D finite element contact procedure, while the exciting force caused by meshing shock is obtained by 3D dynamic contact finite element mixed formula.
时变刚度曲线用轮齿三维接触有限元方法求得，啮合冲击激励力用轮齿三维冲击-动力接触有限元混合法求得。
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