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波纹管形式 Simplified Bellow— 波 纹管 Tied Bellows— 单 式拉杆型膨胀节 Simple— 建 单建模 Comples— 复 杂建模

波纹管形式 Simplified Bellow— 波 纹管 Tied Bellows— 单 式拉杆型膨胀节 Simple— 建 单建模 Comples— 复 杂建模 Universal Expansion Joints— 复式 拉杆型膨胀节 Simple — 建 单建模 Comples — 复 杂建模 Hinged Joint— 绞 式膨胀节 Slotted Hinge Joint--- 轴向补偿绞式膨胀节 Slip Joint-- 轴向补偿套筒型膨胀节 Gimbal Joints-- 万向式膨胀节 Dual Gimbal— 复 式万向型膨胀节

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波纹管形式 Simplified Bellow— 波 纹管 Tied Bellows— 单 式拉杆型膨胀节 Simple— 建 单建模 Comples— 复 杂建模

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  1. 波纹管形式 • Simplified Bellow—波纹管 • Tied Bellows—单式拉杆型膨胀节 • Simple—建单建模 • Comples—复杂建模 • Universal Expansion Joints—复式拉杆型膨胀节 • Simple —建单建模 • Comples —复杂建模 • Hinged Joint—绞式膨胀节 • Slotted Hinge Joint---轴向补偿绞式膨胀节 • Slip Joint--轴向补偿套筒型膨胀节 • Gimbal Joints--万向式膨胀节 • Dual Gimbal—复式万向型膨胀节 • Pressure-Balanced Tees and Elbows—压力平衡型膨胀节

  2. • Axial Stiffness—轴向刚度 • Transverse Stiffness—横向刚度（往往输入横向刚度，软件计算弯曲刚度） • Bending Stiffness—弯曲刚度(应用在零长度角式和弯向始终） • Torsional Stiffness—扭转刚度

  3. Zero Length Expansion Joints 用来模拟绞式和万向型。 完全柔性刚度为1.0, 完全刚性刚度为1.0E12. 所有刚度必须输入。 Finite Length Expansion Joints The DX, DY, and DZ fields should describe the change in dimensions required to get from one end of the flexible bellows connection to the other. The transverse and bending stiff-nesses are directly related for finite length joints. The user should input only one of these stiffnesses. CAESAR II will calculate the other stiffness automatically based on flexible length, effective ID, and the other stiffness. It is recommended that the user enter the transverse stiffness and leave the bending stiffness blank.

  4. Simplified Bellow—波纹管 Simplified Bellow—波纹管 波纹管长度可为0长度也可为一个定长度。 在定长度的条件下，弯曲或横向刚度其一不用输入。推荐不输弯曲刚度，而输入横向刚度。 如果输入弯曲刚度，刚度计算有一定要求。 波的重量和附件的重量分别加在两侧法兰上。

  5. Tied Bellows—单式拉杆型膨胀节

  6. Universal Expansion Joints—复式拉杆型膨胀节

  7. 简单模型-1

  8. 简单模型-2

  9. 复杂模型-1

  10. 复杂模型-2

  11. Hinged Joint—绞式膨胀节 采用零长度膨胀节，横向，周详，扭转刚度均为无穷大。 绞方向通过约束和关联节点来定义。限制转动方向永远是转轴的法线方向。

  12. Gimbal Joints--万向式膨胀节 形式一：仅吸收角变形 形式二：即可吸收角变形，也可吸收横向位移 形式二 形式一

  13. Pressure-Balanced Tees and Elbows—压力平衡型膨胀节 Pressure balanced tees and elbows are used primarily to absorb axial displacements at a change in direction, without any associated pressure thrust. Pressure balanced tees can also be used in universal type configurations to absorb axial and lateral movement.

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