The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement.
网格变形的物理模型采用改进的弹簧近似模型，改进措施包括边界修正和扭转效应修正。
This paper presents a new mathematical model 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。
The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.
本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。
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