This paper presents a new mathematicalmodel for calculating the coupled torsional-axial vibration with non-linear stiffness for a lumped spring-mass shaft system of internal combustion engine.
本文提出了一种具有非线性刚度的弹簧一质量模型，用于计算内燃机轴系的扭转—纵向耦合振动。
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A three freedom degrees mathematicalmodel of a pair of involute spur gear transmission system is built using the lumped mass method, based on gear meshing theory and vibration impact theory.